Proposition 45

Modifies Environmental Review for Certain Projects

Modifies Environmental Review for Certain Projects. Initiative Statute. Amends the California Environmental Quality Act (CEQA) to expedite environmental review for specified project categories (including most housing, transportation, water, health, wildfire mitigation, educational facility, internet access, and clean energy projects). For these types of projects, this measure: sets deadlines for public agencies to complete environmental review and take required actions; allows expedited review of environmental impacts, limiting public agencies' current obligation to consider a range of feasible project alternatives to reduce environmental impacts; and establishes deadlines for filing and resolving lawsuits challenging project approvals, limits evidence courts may consider and relief courts can order. Summary of Legislative Analyst's estimate of net state and local government fiscal impact: Initial costs for state and local governments, likely in the high tens of millions of dollars annually, potentially exceeding 100 million dollars annually, to implement new project review and court challenge procedures for eligible projects. Fees paid by project applicants and people filing lawsuits would partly cover these costs. In the longer term, uncertain, but potentially more significant positive or negative fiscal effects for state and local governments. The overall effect depends, in part, on how the new procedures change the number of eligible projects that get built and whether those projects have different environmental impacts.

initiative_statute 2026-11-03 CA

Summary

Proposition 45 is a citizen initiative statute, Initiative 25-0023, filed with the Attorney General on October 21, 2025 by Kurt Oneto on behalf of the California Chamber of Commerce, cleared for signature gathering on December 26, 2025, and reported by the Secretary of State on June 16, 2026 to have at least 652,788 valid signatures through the random sample count, above the 546,651 valid signatures required to qualify.

It qualified for the November 3, 2026 ballot and was designated Proposition 45. The measure adds Chapter 1.5, commencing with Section 21010, to Division 13 of the Public Resources Code, and names itself the Building an Affordable California Act. It creates a separate review track inside the California Environmental Quality Act (CEQA) for projects it defines as essential: housing, water systems other than Delta conveyance, clean energy other than nuclear power, public health facilities, public safety projects such as fire, police and sheriff stations and wildfire risk reduction, broadband internet access, education facilities, and transportation other than high-speed rail.

A project applicant may choose to use none, some or all of the new procedures, and may keep using the existing ones. For projects that use the new track, a public agency must decide whether an application is complete within 30 days, must decide whether to certify an environmental impact report within 365 days and whether to adopt a negative declaration or mitigated negative declaration within 180 days, and must finish other environmental documentation within 90 days, with day counted as any day other than a Saturday, Sunday or state holiday in those two sections.

Public comment periods become maximums rather than minimums, 20 days for a negative or mitigated negative declaration and 45 days for a draft environmental impact report, and comments received after those periods are excluded from the administrative record. An applicant may run an optional scoping process and then develop a single project alternative for the agency to consider, and an environmental impact report for a project that uses that process analyzes only the project, the applicant's alternative and the no project alternative.

Tribal consultation is limited to tribes on the federal list that are culturally affiliated with the project area, and a good faith consultation becomes a condition of approval. In court, a challenge to an essential project must be filed within 30 days of the notice of determination or exemption, must be decided within 270 days including appeals, may be extended by up to 90 days, is limited to whether the approval complies with objective existing laws and is supported by substantial evidence, and can result in an order stopping only the part of the project that does not comply, not the whole project.

The measure states that it takes effect as provided in Section 10(a) of Article II of the California Constitution, that the Legislature may amend it only by a two thirds rollcall vote consistent with its purposes, that its provisions are severable, and that it is a matter of statewide concern in which the state occupies the field.

The Legislative Analyst estimates initial state and local costs in the high tens of millions of dollars annually, potentially exceeding 100 million dollars annually, partly covered by fees paid by project applicants and people filing lawsuits, with uncertain but potentially more significant longer term effects in either direction.S1S2S3S7S12S14S20

What a yes or no vote means

Yes means

A yes vote means that certain public and private projects would become eligible for new project review and court challenge procedures that applicants may choose instead of the existing ones. For projects that use the new track, public agencies would face binding deadlines to determine completeness, to finish environmental review and to act on other approvals, with day counted as a business day for the environmental review deadlines, so an agency that misses the 365 day deadline for an environmental impact report could be asked for a hearing and could be sued.

Public comment periods would become maximums instead of minimums, and comments received after the close of the period could not be used in the administrative record that a court reviews. An applicant could elect a scoping process and then present a single project alternative, and the environmental impact report for that project would analyze only the project, that alternative and the no project alternative.

Tribal consultation would be limited to federally recognized tribes affiliated with the project area, and completing it in good faith would be required before approval. Environmental impacts would be judged under the laws and standards in place when the application was submitted, and an applicant could lock in the agency's published thresholds of significance.

In court, a lawsuit would have to be filed within 30 days of the notice of determination or exemption and resolved within 270 days including appeals, subject to one extension of up to 90 days, review would be limited to objective existing laws and substantial evidence, and a court that found a violation could stop only the noncomplying part, phase or activity while it is corrected rather than setting aside the approval.

A court could halt construction or completion of a particular part only on clear and convincing evidence of a specific adverse impact on public safety that cannot be mitigated.S2S3S7S12S15

No means

A no vote means that public and private projects would continue to use the existing project review and court challenge procedures. The separate track for essential projects would not be created, applicants would not be able to elect it, and agencies would keep the current CEQA requirements to develop and consider a range of project alternatives, to use the comment periods that current law sets as minimums, and to consult with the wider range of California Native American tribes that current law recognizes.

Current court practice would continue, including the existing deadline for filing CEQA lawsuits and the existing remedies available when a court finds that an agency did not follow the law, which can include setting aside the approval. The measure's provisions on completeness deadlines, business day review timelines, threshold vesting, the administrative record, the limits on evidence and relief, the statewide concern and field preemption language, the two thirds amendment rule, and the provision for independent counsel to defend the act if the Governor and Attorney General decline to do so would not become law.

State and local governments would not incur the initial costs the Legislative Analyst associates with implementing the new procedures, and the fees the measure allows agencies to charge applicants and the fees it assumes from people filing lawsuits would not be created by it.S2S3S5S7

How it works

  1. What kind of measure this is and how it reached the ballot: Proposition 45 is a citizen initiative statute, not a constitutional amendment and not a legislative referral. The voter guide prints it as put on the ballot by petition signatures. An initiated state statute in California needs valid signatures equal to 5 percent of the votes cast in the last gubernatorial election, which was 546,651 signatures for this ballot, and needs a simple majority of votes to pass. The Institute of Governmental Studies records that the measure began as initiative 25-0023, filed by proponent Kurt Oneto with the Attorney General's Office on October 21, 2025, that it was cleared for signature gathering on December 26, 2025, that supporters submitted signatures in April 2026, and that the Secretary of State reported in June 2026 that the minimum signature requirement had been met. Ballotpedia gives the same sequence with dates: the Secretary of State reported on February 9, 2026 that the campaign had collected 25 percent of the required signatures; the Committee to Build an Affordable California submitted 942,967 signatures on April 27, 2026; and on June 16, 2026 the Secretary of State reported that at least 652,788 signatures had been determined valid through the random sample count. Ballotpedia also records that sponsors hired PCI Campaigns, Inc., Florida Petition Management LLC, Voter Direct Inc., Plain Dan Solutions Inc., JBPM and LLC, and that 9,998,963 dollars was spent to collect the 546,651 valid signatures required, a cost of 18.29 dollars per required signature.S12S14S21
  2. The structure the measure adds: the text of the proposed law adds Chapter 1.5, commencing with Section 21010, to Division 13 of the Public Resources Code, which is the division that contains CEQA. The chapter is titled the Building an Affordable California Act and is organized into eight articles covering title and findings, application of the chapter, initial screening and tribal consultation and completeness, review of completed applications, the preliminary scoping process and streamlined alternatives analysis, judicial review, definitions, and construction of the chapter with general provisions. Section 21013 states that the chapter applies only to essential housing projects, essential clean energy projects, essential water projects, essential public health projects, essential public safety projects, essential broadband internet access projects, essential education facility projects and essential transportation projects. Section 21030 declares the streamlining of review and approval of essential projects to be a matter of statewide concern and states that the state occupies the field in the area of review and approval of essential projects.S7S12
  3. Which projects are eligible: the Legislative Analyst's Figure 1 lists housing; water system, not including Delta conveyance facilities; clean energy, not including nuclear power; health facility, clinic and medical office building; fire, police and sheriff's stations; wildfire risk reduction; broadband internet access; education facility; and transportation, not including high-speed rail. The definitions article fills this in. Essential housing projects include residential units, mixed use development, transitional housing, emergency shelters and supportive housing, farmworker housing, group living accommodations, student housing, senior housing units, a subdivision or common interest development of residential units or unimproved residential lots, and conversion of an existing commercial building to residential use. Essential clean energy projects include renewable and sustainable generation and storage such as solar, wind, geothermal and qualifying fuel cells, clean hydrogen not derived from fossil fuel feedstock, microgrids, carbon dioxide capture, transport and storage for permanent isolation, and transmission or distribution components identified in an approved transmission planning process. Essential public health projects are medical treatment facilities, defined as a health facility, a clinic, or a medical office building. Essential public safety projects are first responder facilities and wildfire risk reduction projects, which include replacing, hardening or undergrounding electric utility lines, roads and infrastructure, vegetation management, fuel reduction, home hardening, fuel breaks and access roads. Essential water projects cover public water systems, systems that provide water to a public water system, and systems within the state's Water Resilience Portfolio. Essential broadband internet access projects are projects providing mass market retail wire, wireless or radio service to transmit and receive data with substantially all internet endpoints. Essential transportation projects are projects described in Article XIX of the California Constitution and electric vehicle charging and refueling infrastructure. The measure also states what is excluded: nuclear generation; high-speed train projects and their corridors or usable segments; Delta conveyance facilities; a jail or other detention facility and any project involving development of a new oil or natural gas production facility; first responder facilities owned, operated or leased by the United States government and facilities used as an immigration detention facility or a state prison. Most essential project categories must comply with the labor requirements described in Section 21183.5, and essential housing projects carry additional wage and labor provisions, including that the prevailing wage provisions of Section 65913.4 of the Government Code apply only to buildings over 85 feet in height.S3S7S12S20
  4. The applicant chooses, and pending applications can move over: the chapter does not diminish the authority of any public agency to approve or disapprove an essential project, and it states that no outcome on a proposed essential project is preordained by it. It does not exempt any essential project from environmental review under CEQA or any other law, and it applies to all public agencies. An applicant may elect to use none, some or all of the chapter's provisions, in combination with or as an alternative to other land use and environmental review laws, and no applicant is required to use it. Where a conflict exists between the chapter and another law, the chapter controls, but it does not abrogate an existing statutory or categorical exemption. An essential project application that was submitted before the effective date and has not received final approval may be withdrawn and resubmitted after that date and then reviewed under the chapter, and an essential housing project that does so does not lose vested rights or benefits acquired under the Subdivision Map Act, the Housing Accountability Act, the Builder's Remedy or the Housing Crisis Act of 2019. An application that was already deemed or determined complete keeps that status and is not subject to another completeness review. Nothing in the chapter prevents a public agency from charging an applicant a fee, consistent with Articles XIII A and XIII C of the California Constitution, to cover the governmental costs of processing and reviewing an essential project application.S7S12
  5. Completeness and the review deadlines: when a public agency receives an initial application for an essential project it must make a written finding on completeness and notify the applicant within 30 days, and the application is deemed complete if the agency does not act in that time. An incomplete finding must come with an exhaustive written corrections list, and the applicant has 90 days to respond; later rounds are limited to items on that list. A finding of incompleteness can be appealed, with a final written determination within 60 days, after which the application is deemed complete, and the applicant may bring a civil action within 90 days of an adverse final determination. A local agency acting as lead agency must decide within 30 days of completeness which timeline applies, then must make a final determination whether to certify an environmental impact report no later than 365 days after completeness, whether to adopt a negative declaration or mitigated negative declaration no later than 180 days after completeness, and for all other environmental review documentation must make a final determination of exemption or prior evaluation within 90 days after completeness. A public agency that is not a local agency has the same deadlines. The deadlines can be extended on the applicant's written request. If an agency misses a deadline, the applicant may request a meeting or hearing, which must be held within 60 days, at which the agency must make a final written determination on the environmental documentation and approve or disapprove the project, and the applicant may sue within 90 days of a failure, a denial or the imposition of unlawful conditions. Where the lead agency is also the applicant, it may extend a deadline by written notice posted on its website and included in the administrative record. The measure defines day, as used in the two sections that set the environmental review deadlines, to mean any day other than a Saturday, Sunday or state holiday, and as a calendar day everywhere else in the chapter. Other public agency actions that an essential project needs, such as a permit or a land use change, must be decided concurrently with the lead agency's environmental determination, or within 90 days of completeness for an agency that was not the lead agency, with a 45 day hearing path when a deadline is missed.S3S7S11S12
  6. Public comment and how impacts are judged: public comment periods become maximums. A public agency must circulate an environmental review document for 20 days for a negative declaration or mitigated negative declaration or other document requiring circulation, and for 45 days for a draft environmental impact report or a subsequent or supplemental environmental impact report. A comment period cannot be tolled or extended except by a court of competent jurisdiction, and if a hearing is continued the agency must close the comment period and cannot reopen it. Only comments received during those periods, electronic and written comments received at least 48 hours before a hearing or noticed decision when no comment period applies, comments on issues that could not have been raised earlier because of significant changes or new information, and oral testimony at a noticed and recorded public hearing are included in the administrative record. All other public comments are to be disregarded and excluded from the record, while a lead agency's or applicant's responses to included comments, and an applicant's answers to agency questions or demonstrations of compliance, are included without qualification. A public agency must identify, evaluate, determine significance and mitigate impacts based on compliance with existing laws, and an applicant may elect to vest into the thresholds of significance that the agency had published, adopted or routinely used on the date the preapplication or application was filed. An applicant may waive either or both of those provisions. The Legislative Analyst describes the change as assessing impacts under the laws and standards in place when the application is submitted, where current law lets an agency consider new information and revise its review standards while preparing the report.S3S7S11
  7. Scoping and the single alternative: an applicant may, but is not required to, use a preliminary scoping process. The applicant gives the lead agency written notice describing the project's location, size and boundaries, principal components and purpose, general type of land use or infrastructure, known resource areas and anticipated permits, and providing an email address for public comments. The lead agency posts the notice on its website and engages in at least two meetings with the applicant about the project, potential alternatives and potentially affected resource areas, and keeps a record of meeting summaries. The process must finish within 60 days of the notice. Public input during scoping is recorded by the applicant but the applicant is not required to respond to it, and an applicant may hold optional public meetings or workshops. The applicant then develops one proposed alternative, which must be compatible with the project's fundamental purpose and, to the extent practicable, with local zoning and land use policies, and which does not need to be on a different site. Within 15 days after the scoping process closes the applicant transmits descriptions of the project, the single alternative and the no project alternative, and the lead agency certifies within 15 days whether the requirements were met, or certifies by taking no action. An environmental impact report for a project that complies with this article analyzes only the proposed essential project, the applicant's proposed alternative and the no project alternative, and all additional alternatives are unnecessary and cannot be required. The Legislative Analyst describes this as allowing the applicant to develop only one project alternative where current law requires the agency, not the applicant, to develop and consider multiple alternatives that could reduce environmental impacts. An applicant may still propose additional alternatives at its own discretion, and the lead agency keeps discretion to approve the project, approve the alternative, or select the no project alternative.S3S7S11S12
  8. Tribal consultation: an early screening and consultation process applies to tribal cultural resources. The measure defines a consulting tribe as a tribe on the most recent list published under the federal Federally Recognized Indian Tribe List Act of 1994 that is traditionally and culturally affiliated with the geographic area of the proposed project, and it provides that California Native American tribe, as used in the referenced sections of CEQA and in this chapter, means consulting tribe when the project is an essential project. The Legislative Analyst describes the change as requiring the agency and applicant to consult only with California native tribes formally recognized by the federal government, where current law requires consultation with a wider range of tribes. The applicant provides project information and existing studies and maps, the lead agency completes a records search of the Sacred Lands File, the California Historical Resources Information System and its own records within 20 days, and then invites consulting tribes to meet and confer. A tribe that does not respond within 30 days moves the process to tribal consultation. During consultation the lead agency must share reasonably requested technical information and engage in iterative discussions about mitigation measures before any draft environmental document is published, and tribal traditional knowledge provided by a consulting tribe must be incorporated in identification, treatment and protection measures. Information about tribal cultural resources and tribal traditional knowledge stays confidential and cannot go into the administrative record without the tribe's permission. Avoidance and preservation in place must be considered when the consulting tribe requests it, and where avoidance is not feasible the agency must document the basis with substantial evidence and consider culturally appropriate mitigation. A lead agency may approve an essential project only if tribal consultation has concluded in good faith, any agreed mitigation is included as an enforceable project condition, and the required findings on avoidance are documented.S3S7S12
  9. How courts would review a challenge: a lawsuit to attack, review, set aside, void or annul a public agency's approval or authorization of an essential project on the ground that it did not comply with CEQA must be commenced within 30 days of the date the agency files a notice of determination or notice of exemption, and must be completed within 270 days including original and appellate proceedings, following the judicial streamlining procedures that apply to environmental leadership development projects. The court may extend that deadline once by up to 90 days at its own discretion, and no other extension is allowed without the written consent of the plaintiff or petitioner, the public agency and the applicant. A petitioner's claims are limited to whether the agency complied with objective existing laws, defined as involving no personal or subjective judgment and being uniformly verifiable by reference to an external and uniform benchmark or criterion available to the applicant and the public before the application was submitted, and the court determines only whether the approval is supported by substantial evidence in light of the whole record. The whole administrative record consists only of documents the agency was required to send or distribute to the public or post publicly, plus the comments and responses described above. If the court finds that the approval is not supported by substantial evidence, it must issue a writ explaining the deficiency with specificity and identifying the affected part, phase or activity, and the remedy is limited to prohibiting commencement of the noncomplying part, phase or activity until the noncompliance is corrected. The court may not order a public agency to rescind its approval or authorization. Parts of the project outside the deficiency are not subject to the writ and cannot be challenged further in that proceeding, and no further challenge to implementation through completion of construction may be filed if the approval was not challenged, was challenged and upheld, or the agency has filed a return to the writ that the court accepted. Minor modifications that do not create new significant impacts or substantially worsen identified impacts cannot be challenged. On a showing by clear and convincing evidence that a project would have a specific adverse impact on public safety with no feasible way to mitigate or avoid it, a court may order that construction or completion of the particular project component be halted or prohibited by temporary injunction. The Legislative Analyst summarizes the changes as reducing the scope of what a court can consider, preventing the court from stopping the whole project, and creating a time limit for courts to resolve legal challenges.S3S7S11S12
  10. Fiscal effects the Legislative Analyst identifies: during the first several years the measure likely would increase costs for the state and local governments, including state courts, likely in the high tens of millions of dollars annually and potentially exceeding 100 million dollars annually. Those costs would come from developing new guidelines and standards for reviewing eligible projects' environmental impacts, meeting tighter time limits and addressing court challenges, and fees paid by project applicants and people filing lawsuits would cover some of them. After the initial period some costs could continue while others likely decline, because the changes to how courts review CEQA lawsuits could mean fewer people sue in the future. In the longer term the fiscal effect is uncertain but could be more substantial than the near term effect. To the degree the changes lead to eligible public projects being built more quickly, state and local governments likely would have lower project costs, and if more projects are completed overall it could increase tax revenues such as property taxes. To the degree the changes lead to approval of projects with negative environmental impacts that would not otherwise have occurred, government agencies could face higher costs to respond to those impacts. CalMatters reports that a study by Blue Sky Consulting Group, commissioned by the California Chamber of Commerce, estimates 1.5 billion dollars in combined savings and additional revenues for state and local governments and other public agencies. That estimate is the sponsor's study, not the Legislative Analyst's estimate.S1S2S3S11
  11. Construction of the chapter, effective date, amendment and the defense clause: the chapter states that it is the policy of the people of California that it be interpreted and implemented to afford the fullest possible weight to the interest of, and the approval and realization of, essential projects, and that courts should not interpret CEQA or the state CEQA Guidelines to impose procedural or substantive requirements beyond those explicitly stated. References in the chapter to state statutes and regulations codified outside it refer to those laws as they existed on December 31, 2025, regardless of later amendment, repeal, sunset or expiration, with the reference to Section 218.9 of the Labor Code fixed at January 1, 2026. The provisions are severable. The chapter takes effect as provided in subdivision (a) of Section 10 of Article II of the California Constitution and applies on that effective date to all pending and future public agency and judicial review processes for all essential projects. The Legislature may amend the chapter only by a statute passed in each house by rollcall vote with two thirds of the membership concurring, consistent with and furthering its purposes, and the bill must be printed, distributed and published on the internet in final form for at least 12 business days before passage. The act must be liberally construed. A conflicting measures clause provides that if another measure on the review or approval of essential projects appears on the same statewide ballot, the other measure is deemed to be in conflict, and if this measure receives more affirmative votes its provisions prevail in their entirety and the other measure or measures are null and void. A legal defense section provides that if the act is challenged and both the Governor and the Attorney General refuse to defend it to the fullest extent possible, the Attorney General must appoint independent counsel to defend it, with a continuous appropriation from the General Fund for the cost of that counsel.S7

Fiscal impact

Initial costs for state and local governments, including state courts, likely in the high tens of millions of dollars annually and potentially exceeding 100 million dollars annually, to implement the new project review and court challenge procedures for eligible projects, with fees paid by project applicants and people filing lawsuits partly covering those costs.

In the longer term the effect is uncertain but potentially more significant in either direction: faster construction of eligible public projects would likely lower state and local project costs and could raise revenues such as property taxes if more projects are completed, while approval of projects with negative environmental impacts that would not otherwise have occurred could raise government costs to respond to those impacts.S1S2S3

Who benefits and who pays

Who benefits

  • Applicants for projects that qualify as essential: the measure gives them the option of a track with binding agency deadlines, an up front statement of everything an application must contain, impacts judged under the laws and standards in place when the application was filed, the ability to lock in the agency's published thresholds of significance, an optional scoping process followed by a single applicant developed alternative, a 30 day limit for filing a challenge, a 270 day limit for resolving it, review limited to objective existing laws and substantial evidence, and a remedy that cannot rescind the approval. The measure defines applicant to include a person, legal entity, public agency or public utility that proposes an essential project, and the Legislative Analyst notes that public agencies building their own projects could use the same procedures.S3S7S11S12
  • The categories of project the measure names as essential: housing of all types it defines, water systems other than Delta conveyance, clean energy other than nuclear, health facilities, clinics and medical office buildings, fire, police and sheriff stations, wildfire risk reduction, broadband internet access, education facilities, and transportation other than high-speed rail, along with the related and ancillary utility and public service infrastructure required to serve them. Supporters state that the measure would let these projects be built faster and at lower cost, and the Legislative Analyst states that to the degree eligible public projects are constructed more quickly, state and local governments likely would have lower project costs and could see higher tax revenues if more projects are completed.S3S5S7S12S20
  • Supporters state that households and workers would benefit through lower costs and more jobs: the argument in favor states that permitting delays add more than 75,000 dollars to the cost of a new home, that the measure would help lower rents and mortgages, that delays in building clean energy and grid infrastructure drive up electricity costs, that lengthy delays cause cost overruns on public projects, and that the measure would create tens of thousands of jobs and billions in economic activity. CalMatters reports that the California Building Industry Association's chief executive said the proposition would decrease the cost of the average home by 75,000 dollars, and that the chamber's chief executive described delays of six to ten years added to project decisions. These are the supporters' claims. The Legislative Analyst does not estimate household savings and states that the longer term effect depends on how many eligible projects get built.S3S5S11
  • Public agencies that are themselves the applicant: the measure applies to all public agencies and lets a lead agency that is also the applicant extend its own deadlines by written notice posted publicly, and it allows agencies to charge applicants fees for processing and reviewing essential project applications. CalMatters reports that organizations representing local governments, including the League of California Cities and the California State Association of Counties, have mostly stayed out of the debate, and that the Rural County Representatives of California, which represents parts of 40 counties, voted to stay neutral, with its policy advocate saying he had suggested opposing the measure because he thinks it goes too far and worries local agencies would lose control over the standards that decide when noise, dust or runoff is significant enough to require action.S7S11

Who pays

  • State and local governments, including state courts: the Legislative Analyst estimates initial costs in the high tens of millions of dollars annually, potentially exceeding 100 million dollars annually, for developing new guidelines and standards, meeting tighter time limits and addressing court challenges, with fees paid by project applicants and people filing lawsuits covering some of those costs. The analysis also states that agencies could face higher costs to respond to negative environmental impacts from projects that would not otherwise have been approved, and that some costs would likely decline over time as fewer lawsuits are filed.S1S2S3
  • Project applicants and people who file lawsuits: the measure allows a public agency to impose a fee on an applicant, consistent with Articles XIII A and XIII C of the California Constitution, to cover the governmental costs of processing and reviewing an essential project application, and the Legislative Analyst's fiscal estimate assumes fees from applicants and from people filing lawsuits would cover part of the state's new costs. An applicant that uses the new track also takes on the obligations of the optional scoping process and the single alternative it develops, and most essential project categories must comply with the labor requirements described in Section 21183.5, with additional wage and labor provisions for essential housing projects.S2S3S7
  • People who want to comment on or challenge an eligible project: comment periods become maximums, 20 days for a negative declaration or mitigated negative declaration and 45 days for a draft environmental impact report, comments received after the close of the period are excluded from the administrative record, and a comment period cannot be extended except by a court. A lawsuit must be filed within 30 days of the notice of determination or exemption and resolved within 270 days, review is limited to objective existing laws and substantial evidence, the administrative record is limited to documents the agency was required to make public and to the comments that were included, a court cannot rescind the approval, and parts of the project outside the deficiency cannot be challenged further. Opponents state that the measure limits the public's right to be heard and reduces the information available to communities. The Legislative Analyst describes the same provisions as limiting how long an agency can accept comments and reducing the scope of what a court can consider.S3S5S7S12
  • Tribes that are not on the federal recognition list: the chapter limits the tribal consultation it requires to consulting tribes, defined as tribes on the most recent federal list under the Federally Recognized Indian Tribe List Act of 1994 that are traditionally and culturally affiliated with the project area, and it provides that California Native American tribe means consulting tribe when the project is an essential project. The Legislative Analyst describes this as consulting only with tribes formally recognized by the federal government where current law requires consultation with a wider range of tribes. Opponents include organizations that describe the change as reducing protections for cultural resources.S3S7S12
  • Opponents state that taxpayers, ratepayers and residents bear costs: the argument against states that the measure does not require any project to lower rent, a mortgage or a utility bill, that its utility and corporate funders profit while residents pay, that weaker environmental review means more pollution near homes and schools with more asthma and emergency room visits, and that when polluters do not clean up, taxpayers and ratepayers pay more. The rebuttal to the argument in favor states that the measure gives developers new rights to challenge cities and counties while making it harder for project opponents to challenge an agency decision. Opponents also state that the measure has no affordability provision or requirement that faster approvals produce lower housing or utility costs. These are the opponents' claims. The Legislative Analyst gives no estimate of household costs or savings.S5S11S13

Support and opposition

Supporters

Total raised: $40,056,350

As of: October 6, 2026

Organizations

  • California Chamber of Commerce (sponsor of the initiative; CalMatters, the Legislative Analyst's fiscal discussion in reporting and the opponents all describe the Chamber as the sponsor, and the initiative was filed by Kurt Oneto on the Chamber's behalf)
  • California Building Industry Association
  • California Business Roundtable
  • California Hospital Association
  • California Children's Hospital Association (signer of the argument in favor)
  • California Water Association (signer of the argument in favor)
  • California Council on Affordable Housing (signer of the argument in favor; also printed as California Council for Affordable Housing)
  • California Primary Care Association
  • California Hispanic Chambers of Commerce
  • California League of United Latin American Citizens (LULAC)
  • California Housing Consortium
  • California Hydrogen Coalition
  • California Wind Energy Association
  • American Clean Power – California
  • Associated General Contractors of California
  • Agricultural Council of California
  • Howard Jarvis Taxpayers Association
  • Americans for Tax Reform
  • Reform California
  • NAACP California/Hawaii State Conference
  • Housing Action Coalition
  • Environmental Policy Innovation Center
  • California Taxpayers Association
  • Family Business Association of California (Robert Rivinius, president, signed the rebuttal to the argument against)
  • California Republican Party
  • Ruben Grijalva, former California State Fire Marshal, signed the rebuttal to the argument against
  • Buffy Wicks, California Assembly member (recorded by Ballotpedia and KQED as a supporter)
  • CalMatters records media endorsements from The San Diego Union-Tribune, The Orange County Register and The Sacramento Bee, and records no current media opponents
  • The voter guide's additional information block lists the committee as Yes on 45, Building a More Affordable California, a coalition of water, affordable housing, clean energy, small business, healthcare and community leaders, and CalMatters and the Los Angeles Times describe a coalition of more than 150 business, clean energy, housing, social justice and healthcare groups

Top funders

  • Building a Better California $10,000,000 Contributor to the Yes on 45 committee 1484853, per the Fair Political Practices Commission top 10 contributors list for the November 2026 general election; the Commission records the top donors to this contributor as Sergey Brin and L. John Doerr, III. Ballotpedia reports this committee itself as a support committee with 33,958,053.58 dollars in total contributions, including 32,422,350.84 dollars in kind, through September 19, 2026, and notes that its contributions exceed that total because it also gave to campaigns on other measures
  • California Building Industry Association Issues Committee Supporting Proposition 45 $6,600,000 Contributor to the Yes on 45 committee 1484853, per the Fair Political Practices Commission top 10 contributors list; the Commission records the top donors to this contributor as KB Home and Lennar Corporation. The same committee is itself a support committee with its own top 10 list, led by Sempra at 1,000,000 dollars, with 5,162,313 dollars from its top contributors and 8,376,473.08 dollars in total contributions through September 19, 2026
  • CA Business PAC $3,400,000 Contributor to the Yes on 45 committee 1484853, per the Fair Political Practices Commission top 10 contributors list; the Commission records the top donors to this contributor as CRC Services, LLC (Francisco Leon) and PG&E Corporation and Affiliated Entities
  • Building Resilient Infrastructure for a Decarbonized Green Economy Issues PAC (BRIDGE Issues) Yes on 45, Funded by PG&E Corporation $2,300,000 Contributor to the Yes on 45 committee 1484853, per the Fair Political Practices Commission top 10 contributors list; the Commission lists the same committee separately with 2,400,000 dollars from PG&E Corporation and affiliated entities
  • California Building Industry Association $2,250,000 Contributor to the Yes on 45 committee 1484853, per the Fair Political Practices Commission top 10 contributors list
  • Edison International & Affiliated Entities $2,000,000 Contributor to the Yes on 45 committee 1484853, per the Fair Political Practices Commission top 10 contributors list

Key arguments

  • Supporters say the approval system is the problem and the measure fixes it: the argument in favor states that lengthy delays and red tape are blocking essential projects and driving up the cost of living, that California's outdated system for approving essential housing, water, clean energy, roads, schools, hospitals and wildfire prevention projects is too slow, too bureaucratic and too costly, and that endless delays, red tape and frivolous lawsuits make life more expensive, waste taxpayer dollars, worsen wildfire risk, increase traffic, overcrowd schools and delay hospital and infrastructure upgrades. It states that the measure sets enforceable timelines for project approvals, requires courts and agencies to base decisions on the laws and regulations in place when the application is submitted, and creates a faster and more predictable process for legal challenges while reducing frivolous lawsuits.S5
  • Supporters say the measure maintains environmental protection, keeps local control and protects community input: the argument in favor states that projects must comply with all of California's environmental laws protecting air, water, wildlife and health, that the measure does not exempt a single project from environmental review, that cities and counties retain full authority to approve or deny projects, and that residents keep a meaningful voice in decisions affecting their communities. The rebuttal to the argument against states that the measure maintains every federal, state and local environmental law including the Clean Air Act and Clean Water Act, that it eliminates no environmental law, that residents keep the right to provide public comments, oppose projects and sue to stop projects, and that it applies only to essential projects. The measure's findings also state that it maintains the Endangered Species Act, the Safe Drinking Water Act, the federal Toxic Substances Control Act, the Clean Water Act, the Clean Air Act, the federal Environmental Quality Improvement Act, the California Global Warming Solutions Act, the California Coastal Act and the federal Resource Conservation and Recovery Act.S5S7
  • Supporters say the measure lowers costs and creates jobs: the argument in favor states that permitting delays add more than 75,000 dollars to the cost of a new home and that the measure will help lower rents and mortgages and save families tens of thousands of dollars on a home purchase, that delays in building clean energy and grid infrastructure drive up electricity costs for working families, that lengthy delays cause cost overruns on public projects that cost taxpayers billions more, and that the measure will create tens of thousands of good paying jobs and billions in economic activity. These are the supporters' claims; the Legislative Analyst does not estimate household savings.S5
  • Supporters reject the argument that data centers would qualify: the measure's definition of an essential broadband internet access project covers projects providing mass market retail service by wire, wireless or radio that transmit data to and receive data from all or substantially all internet endpoints, and data centers are not named among the measure's exclusions. Ballotpedia records the Yes on 45 campaign spokesperson saying that opponents are lying to voters and resorting to scare tactics about projects that are not included in the measure, and the Los Angeles Times records the California Building Industry Association's chief executive saying the drafters specifically excluded data centers and that data centers do not fit the definition. The same article records that land use attorneys and two UC Berkeley law professors disagree, that the measure must be interpreted to afford the fullest possible weight to essential projects, and that the question is likely to be decided in court.S7S12S16

Opponents

Total raised: $18,905,427

As of: October 6, 2026

Organizations

  • People Over Polluters (leading the No on Prop 45 campaign, per Ballotpedia)
  • Coalition for Clean Air (signer of the argument against)
  • Clean Water Action (signer of the argument against)
  • California Environmental Voters (signer of the argument against)
  • Physicians for Social Responsibility, Los Angeles (signer of the argument against)
  • California Nurses for Environmental Health and Justice (signer of the argument in favor of the rebuttal to the argument for)
  • American Nurses Association, CA (signer of the argument against; also described as American Nurses Association of California)
  • National Wildlife Federation
  • Sierra Club California
  • California Environmental Justice Alliance
  • Communities for a Better Environment
  • Center for Biological Diversity (also a campaign contributor)
  • ACLU of Southern California
  • American Lung Association
  • California Public Interest Research Group
  • Center for Environmental Health
  • National Parks Conservation Association
  • League of Women Voters of California
  • Western Center on Law & Poverty
  • Californians Against Waste
  • Beyond Plastics
  • Center for Food Safety
  • Learning Disabilities Association of California
  • Middle Class Taxpayers Association
  • Planning and Conservation League
  • California Democratic Party
  • California Labor Federation
  • California Federation of Teachers
  • California Professional Firefighters
  • State Building and Construction Trades Council of California
  • Southern California District Council of Laborers
  • Teamsters Joint Council 42
  • United Food and Commercial Workers Union
  • National Union of Healthcare Workers
  • Catherine Blakespear, California State Senator, Sasha Renee Perez, California State Senator, Isaac Bryan, California State Assembly member, and Fiona Ma, California State Treasurer (recorded by Ballotpedia as opponents)
  • The voter guide's additional information block lists the opposing committee as No on Prop. 45, and CalMatters and the Los Angeles Times describe more than 300 environmental, housing, civil rights, health, labor, climate, faith and party organizations in opposition

Top funders

  • Wendy Schmidt $10,000,000 Contributor to the No on Prop 45 committee 1492264, per the Fair Political Practices Commission top 10 contributors list for the November 2026 general election. Ballotpedia reports 5,000,000 dollars from this donor to the opposition committees through September 19, 2026
  • Clean and Healthy California, Sponsored by Environmental Organizations $7,112,925 Contributor to the No on Prop 45 committee 1492264, per the Fair Political Practices Commission top 10 contributors list. Ballotpedia reports 7,078,075 dollars from this donor to the opposition committees through September 19, 2026, including 78,075 dollars in kind
  • Members' Voice of the State Building and Construction Trades Council of California $2,007,791 Contributor to the No on Prop 45 committee 1492264, per the Fair Political Practices Commission top 10 contributors list; the Commission records the top donors to this contributor as the State Building & Construction Trades Council of California and Operating Engineers Local Union No. 3 Issues Advocacy Ballot Initiative PAC
  • No on Prop 45, sponsored by Labor, Health and Environmental Organizations $1,500,000 Contributor to the Campaign for People over Polluters committee 1493079, per the Fair Political Practices Commission top 10 contributors list; the Commission records the top donors to this contributor as Clean and Healthy California, Sponsored by Environmental Organizations, and Wendy Schmidt
  • Center for Biological Diversity, Inc. $600,000 Contributor to the Campaign for People over Polluters committee 1493079, per the Fair Political Practices Commission top 10 contributors list
  • District Council of Iron Workers of the State of California and Vicinity PAC $500,000 Contributor to the No on Prop 45 committee 1492264, per the Fair Political Practices Commission top 10 contributors list; the same district council's political issues committee also appears on the Commission's list for the No on Prop 45 – Protect California Communities committee 1479255 with 1,000,000 dollars

Key arguments

  • Opponents say the measure weakens environmental review and guts CEQA: the argument against states that the measure limits both the environmental review of major new development projects and the public's right to be heard, that it lets projects move forward with far less scrutiny of their harms to air, water and public health, and that CEQA is California's most important air and water quality protection law because it requires public agencies to identify, publicly disclose and consider reducing harm to air, water and wildlife before approving projects. It states that the measure eliminates many of CEQA's existing protections and lets developers fast track polluting projects with fewer protections for drinking water and air. These are the opponents' claims.S5
  • Opponents say the measure cuts the public out of decisions: the argument against states that residents today have a voice in what is built near them, that the measure reduces public agency requirements to consider public comments, that comments often expose potential contamination of air and water and damage to coast, rivers and wildlife, and that decisions about what gets built near a home, a children's school or a water supply would be made with less information and less public input. The rebuttal to the argument in favor states that the measure limits environmental review of new projects and the right to provide input and be heard, that it gives developers new rights to challenge cities and counties while making it harder for project opponents to successfully challenge an agency's decision, and that it rewrites the rules that govern how California protects residents from the harm caused by major developments. Opponents also state that CEQA's protections are needed more than ever because federal protections have been weakened.S5
  • Opponents say the measure will not lower costs and that polluters and their funders benefit: the argument against states that the measure does not require a single project to lower rent, a mortgage or a utility bill, that its corporate funders profit while residents bear the cost of pollution, and that it cuts the costs of gas and electric utilities and corporate PACs rather than the costs of households. The rebuttal to the argument in favor states that the measure does not require any project to lower housing or utility costs, that the corporations paying for the measure will profit while residents keep paying, and that weaker environmental review means more pollution near homes and schools, more asthma and more emergency room visits. The argument against also states that the measure was written by the California Chamber of Commerce and financed by gas and electric utilities and corporate PACs, and it quotes the Legislative Analyst's warning that the measure could approve projects that result in unintended negative environmental impacts.S5S13
  • Opponents say the definition of essential projects is too broad and could include data centers: Ballotpedia records the Sierra Club California director saying the measure would eliminate many long standing environmental safeguards, the State Building and Construction Trades Council president saying it would undermine the public's ability to participate in project approvals, and the Planning and Conservation League executive director saying it would let polluters build what they want, where they want. The Los Angeles Times reports that the central dispute is whether the broadband project category could cover data centers, that the measure expressly names other exclusions such as nuclear energy, high-speed rail and jails while not naming data centers, that the Yes campaign and some attorneys say data centers do not fit the definition, that other land use attorneys and UC Berkeley law professors say many modern data centers could fit it, and that the question may be decided in court. KQED records the same open question.S12S13S16

How it could affect your household

Household type Effect Explanation Confidence
Homeowner Mixed The measure creates no tax, fee, assessment or reporting duty for a homeowner and changes no property tax rule, mortgage rule, insurance rule or housing program, so there is no direct change to a household's own bill. What it does change directly is the process for projects it defines as essential, which includes housing of many types and wildfire risk reduction. Public comment periods become maximums rather than minimums, late comments are excluded from the administrative record, and a court that finds a violation can only stop the noncomplying part rather than the whole project. A homeowner near an eligible project therefore has less time to comment and narrower court remedies than today, while the same rules could let housing, water, wildfire prevention and other essential projects move faster. The Legislative Analyst states that faster construction would likely lower state and local project costs and could increase property tax revenues if more projects are completed, but also that agencies could face higher costs if projects with negative environmental impacts are approved that would not otherwise have been. Supporters state the measure would lower rents and mortgages and that permitting delays add more than 75,000 dollars to a new home, and opponents state it does not require any project to lower costs. The direction of the effect depends on which projects are proposed locally and how the courts read the measure.S2S3S5S7S11 Medium confidence
Renter Mixed The measure changes no rent rule, rental assistance program, tenant law or housing program and imposes no fee on a renter household, so there is no direct change to rent or to any renter program. Its direct effect on a renter is procedural: housing projects that qualify as essential can use a track with binding deadlines and a single applicant developed alternative, while comment periods for eligible projects become maximums and the remedies a court can order are narrowed. The Legislative Analyst gives no estimate of rent effects and states that the longer term fiscal effect is uncertain and depends on how many eligible projects get built. Supporters state the measure would help lower rents and save families money on a home purchase, and opponents state it contains no requirement to lower housing costs and no affordability provision. CalMatters reports that the measure would reach housing that does not already qualify for recent state exemptions from environmental review, such as most housing in already developed areas.S3S5S11 Medium confidence
W-2 earner ($100k to $250k) Neutral The measure adds no tax on wages or income, changes no income tax rate or bracket, and creates no payroll, filing or reporting duty for an employee, so a household at this income level sees no direct change in what it owes. The costs the measure creates fall first on state and local governments and courts, estimated by the Legislative Analyst at the high tens of millions of dollars annually and potentially more than 100 million dollars annually in the first several years, partly covered by fees paid by project applicants and by people filing lawsuits, not by a new household tax or charge. Any household effect is indirect: the measure could change how quickly essential projects such as housing, water, clean energy and wildfire prevention are approved, and the Legislative Analyst states that the long term effect is uncertain and could be positive or negative. Supporters state the measure would lower electricity and housing costs, and opponents state it does not require any project to lower a utility bill or a rent. Those outcomes are claims, not estimates in the analysis.S1S2S3S5 High confidence
High earner (over $1M) Neutral The measure creates no state tax on income, investment income, business income or wealth, changes no rate or bracket, and has no high income threshold, surtax or reporting requirement, so a household at this income level has no direct cost or benefit from it. The obligations and costs the measure creates fall on state and local governments, courts, and project applicants and litigants who pay fees, not on households by income. The measure does appear in campaign finance reporting in a different way: the Fair Political Practices Commission records two individuals, Sergey Brin and L. John Doerr, III, as the top donors to Building a Better California, a contributor to the support committee, and records Wendy Schmidt as the largest contributor to the opposition committee. Those are campaign contributions, not taxes or charges created by the measure, and they do not change what a household at any income level owes.S3S7S9 High confidence
Small business owner Mixed The measure imposes no tax, license, filing or reporting requirement on a business as a business, and it changes no employment, sales tax or income tax rule. It can matter directly to a business in two ways. First, a business that is an applicant for a project that qualifies as essential, or that builds or services such projects, gets the option of binding agency deadlines, a single applicant developed alternative, and a narrower and shorter court challenge, and the support coalition includes the Associated General Contractors of California, the California Building Industry Association, the California Chamber of Commerce and dozens of local chambers and building industry groups. Second, the measure allows a public agency to charge an applicant a fee to cover processing and review of an essential project application, and it requires most essential project categories to comply with the labor requirements described in Section 21183.5, with additional wage and labor provisions for essential housing projects, which raises costs for applicants and contractors on those projects. A business whose own project is not an essential project would not be able to use the new procedures at all, and a business located near someone else's eligible project would have the same shorter comment window and narrower court remedies as any resident. The Legislative Analyst does not estimate effects on businesses.S3S7S12S15 Medium confidence
Retiree Neutral The measure changes nothing directly for a retiree household: it imposes no tax or fee, does not change Medicare or Medi-Cal, does not change any retirement income rule, and does not change utility rates or clinic charges, which the measure leaves alone. Two of the project categories it defines as essential are close to retiree concerns: senior housing units are part of the essential housing definition, and health facilities, clinics and medical office buildings are essential public health projects, so review of those projects could move faster under the new procedures. For a retiree who lives near an eligible project, the direct change is procedural: a shorter maximum comment period and a court remedy that cannot set aside the whole approval. The Legislative Analyst gives no estimate of effects on households. Supporters state the measure maintains environmental protections and local decision making, and opponents state it weakens protections and public input.S3S5S7 Medium confidence
Local government services user Mixed A person who uses local government services would see direct changes in how their city, county and other public agencies process certain projects, and in what those agencies pay. Public agencies keep the authority to approve or disapprove an essential project, but the measure gives them binding deadlines, requires them to state all application requirements up front, limits the alternatives they analyze when an applicant uses the scoping process, freezes the laws and standards used to judge impacts at the time of application, makes their compliance deadlines a nondiscretionary ministerial duty, and narrows what a court can consider and order when their decision is challenged. The Legislative Analyst estimates initial costs to state and local governments, including state courts, in the high tens of millions of dollars annually and potentially more than 100 million dollars annually, partly covered by fees paid by project applicants and people filing lawsuits, with some costs declining over time if fewer lawsuits are filed, and with the possibility of lower project costs and higher revenues such as property taxes if eligible projects are built sooner. CalMatters reports that organizations representing local governments have mostly stayed out of the debate and that the Rural County Representatives of California, which represents parts of 40 counties, voted to stay neutral, with its policy advocate saying he worries local agencies would lose control over the standards that decide when noise, dust or runoff requires action.S2S3S7S11 Medium confidence

Tradeoffs

  • Speed and certainty against public input and court remedies: the measure sets binding deadlines, allows an applicant to develop a single project alternative, makes comment periods maximums of 20 days for a negative or mitigated negative declaration and 45 days for a draft environmental impact report, excludes late comments from the administrative record, requires challenges to be filed within 30 days and resolved within 270 days, limits review to objective existing laws and substantial evidence, and limits the remedy to stopping the noncomplying part of a project rather than setting aside the approval. Supporters state that the measure keeps community input, that residents keep the right to comment, oppose projects and sue, and that cities and counties retain full authority to approve or deny. Opponents state that the measure limits environmental review and the public's right to be heard, that it gives developers new rights to challenge cities and counties while making it harder for project opponents to succeed, and that it reduces public agency requirements to consider comments that often expose contamination of air and water. The Legislative Analyst describes the same provisions neutrally as limiting how long an agency can accept comments, reducing the scope of what a court can consider and preventing a court from stopping the whole project.S2S3S5S7S12
  • Where discretion sits between the applicant and the agency: an applicant may elect to use none, some or all of the chapter, may choose the scoping process and develop the single alternative, may elect to vest into the thresholds of significance that existed when it applied, and may waive parts of the impact determination provisions. The agency must state all application requirements before submission, cannot repeatedly request new information or project changes, and must judge impacts under the laws in place at submission. The measure states that it does not diminish the authority of a public agency to approve or disapprove an essential project and that no outcome is preordained, that it does not exempt any project from environmental review, and that it does not eliminate a lead agency's discretion to set a threshold of significance or choose mitigation. Supporters state that the measure protects agencies in their decisions and does not override planning or zoning laws. Opponents state that it puts power in the hands of project proponents and limits local authority to require consideration of alternatives. CalMatters reports that for public agencies the change is two sided: an agency could lose discretion when it reviews someone else's project and gain speed and certainty when it builds its own.S5S7S11S12
  • Environmental outcomes and what remains unsettled: the measure keeps CEQA in place for essential projects and does not repeal other environmental laws, and its findings list the federal and state clean air, clean water, endangered species, drinking water, toxics, coastal and climate laws that it states it maintains. The Legislative Analyst states that to the degree the new procedures lead to approval of projects with negative environmental impacts that would not otherwise have occurred, government agencies could face higher costs to respond, and describes that possibility as uncertain and potentially significant. Opponents state that weaker review means more pollution near homes and schools and that taxpayers end up paying to clean up contamination. A separate unresolved question is whether the broadband internet access category covers data centers: the measure names nuclear power, high-speed rail, Delta conveyance, jails and new oil and gas production facilities as excluded but does not name data centers, the Yes campaign says data centers do not fit the definition, other attorneys and law professors say many could, and reporting records that the question may be decided in court.S3S5S7S12S16
  • Costs to governments against claimed savings: the Legislative Analyst estimates initial state and local costs in the high tens of millions of dollars annually, potentially exceeding 100 million dollars annually, partly covered by fees paid by project applicants and people filing lawsuits, with some costs declining over time as fewer lawsuits are filed, and with the longer term effect uncertain but potentially more significant in either direction. CalMatters reports that a study commissioned by the California Chamber of Commerce, prepared by Blue Sky Consulting Group, estimates 1.5 billion dollars in combined savings and additional revenues for state and local governments and other public agencies, and reports that an attorney who often represents environmental groups in CEQA cases says the savings are not guaranteed. The measure contains no requirement that faster approvals result in lower housing or utility costs, which is a point both the opponents' argument and the Legislative Analyst's neutral description make clear: the analysis ties the fiscal effect to how many eligible projects get built and what their environmental impacts are, not to any pass through of savings.S3S5S11
  • Who is funding each side: the Secretary of State's compiled totals through October 6, 2026 report 40,056,350 dollars in contributions to committees formed to support the measure and 18,905,427 dollars to committees formed to oppose it. On the support side the Fair Political Practices Commission's top 10 contributors list, last modified October 14, 2026, is led by Building a Better California at 10,000,000 dollars, whose top donors the Commission records as Sergey Brin and L. John Doerr, III, followed by the California Building Industry Association Issues Committee Supporting Proposition 45 at 6,600,000 dollars, CA Business PAC at 3,400,000 dollars, BRIDGE Issues PAC funded by PG&E Corporation at 2,300,000 dollars, the California Building Industry Association at 2,250,000 dollars and Edison International and affiliated entities at 2,000,000 dollars. On the opposition side the same list is led by Wendy Schmidt at 10,000,000 dollars, followed by Clean and Healthy California at 7,112,925 dollars and the Members' Voice of the State Building and Construction Trades Council of California at 2,007,790.57 dollars. Ballotpedia reports 70,027,382.66 dollars in total contributions to the support committees and 15,076,148.52 dollars to the opposition committees through September 19, 2026, and CalMatters reports 41.8 million dollars in support and 21.2 million dollars in opposition from Secretary of State data updated October 9, 2026 with no reported independent expenditures on either side. KQED displays 45.3 million dollars in support and 30.0 million dollars in opposition as of October 9, 2026. The measure's sponsor is the California Chamber of Commerce, and the support money comes mainly from business, building industry and utility interests while the opposition money comes from an individual donor, environmental organizations and building trades unions, an alignment CalMatters and the Los Angeles Times both describe.S8S9S11S12S13S15S18
  • Endorsements and polling, reported as endorsements and polling: the voter guide lists supporters as the California Children's Hospital Association, the California Water Association and the California Council for Affordable Housing and opponents as the Coalition for Clean Air, CA Environmental Voters, Physicians for Social Responsibility, LA and the National Wildlife Federation. CalMatters records support from the California Republican Party, the California Chamber of Commerce, the California Hospital Association, the California Primary Care Association, the California Hispanic Chambers of Commerce, LULAC, the California Building Industry Association, the California Business Roundtable, the Howard Jarvis Taxpayers Association and others, opposition from the California Democratic Party, the California Labor Federation, the California Nurses Association, the Sierra Club, Clean Water Action and others, and media endorsements from The San Diego Union-Tribune, The Orange County Register and The Sacramento Bee with no current media opponents. Ballotpedia records a Public Policy Institute of California poll of 1,103 likely voters conducted September 4 to 10, 2026 with 49.0 percent support, 46.0 percent opposition and 5.0 percent undecided and a margin of error of plus or minus 3.8 percent, and an earlier institute poll of 1,003 likely voters conducted June 29 to July 6, 2026 with 73.0 percent support, 24.0 percent opposition and 4.0 percent undecided. These are reported poll results, not predictions of the outcome.S4S6S10S12S13S15

Sources

  1. Proposition 45 Official Title and Summary (Official Voter Information Guide, November 3, 2026) California Secretary of State Accessed 2026-10-17
  2. Proposition 45 Analysis by the Legislative Analyst (Official Voter Information Guide, November 3, 2026) California Secretary of State and Legislative Analyst's Office Accessed 2026-10-17
  3. Proposition 45 [Ballot], Propositions on the November 3, 2026 Ballot Legislative Analyst's Office Accessed 2026-10-17
  4. Proposition 45 summary page (Official Voter Information Guide, November 3, 2026) California Secretary of State Accessed 2026-10-17
  5. Proposition 45 Arguments and Rebuttals (Official Voter Information Guide, November 3, 2026) California Secretary of State Accessed 2026-10-17
  6. Quick Reference Guide – Proposition 45 (Official Voter Information Guide, November 3, 2026) California Secretary of State Accessed 2026-10-17
  7. Proposition 45 Text of Proposed Laws, Official Voter Information Guide (the Building an Affordable California Act, adding Chapter 1.5, commencing with Section 21010, to Division 13 of the Public Resources Code) California Secretary of State Accessed 2026-10-17
  8. Proposition 45 – Modifies Environmental Review for Certain Projects. Initiative Statute., 2026 Ballot Measure Contribution Totals California Secretary of State (Cal-Access) Accessed 2026-10-17
  9. Top 10 Contributors List, November 2026 General Election (last modified October 14, 2026) California Fair Political Practices Commission Accessed 2026-10-17
  10. CA voter guide: Prop. 45 on speeding environmental reviews, CalMatters California Voter Guide 2026 CalMatters Accessed 2026-10-17
  11. Prop 45 explained: CEQA overhaul could shift who holds power over building (by Alejandra Reyes-Velarde, published October 9, 2026) CalMatters Accessed 2026-10-17
  12. California Proposition 45, Changes to Environmental Review Process for Certain Projects Initiative (2026) Ballotpedia Accessed 2026-10-17
  13. 2026 California Voter Guide: Proposition 45 (fundraising figures updated October 9, 2026) KQED Accessed 2026-10-17
  14. Proposition 45: Environmental Review, California Ballot Proposition Guides, November 3, 2026 General Election Institute of Governmental Studies, University of California, Berkeley Accessed 2026-10-17
  15. Your guide to Proposition 45: Faster CEQA review for housing and infrastructure (by Lila Seidman, published October 1, 2026) Los Angeles Times Accessed 2026-10-17
  16. California's Prop. 45 aims to speed construction projects. Opponents say data centers will benefit (by Lila Seidman, published October 14, 2026) Los Angeles Times Accessed 2026-10-17
  17. Proposition 45: What to know about the environmental review measure (by Erin Stone, published October 6, 2026, updated October 16, 2026) LAist Accessed 2026-10-17
  18. Proposition 45 campaign finance detail, CalMatters 2026 Voter Guide (contributor and outside spending data from the California Secretary of State, updated October 9, 2026) CalMatters Accessed 2026-10-17
  19. 2026 General Election explainer: Proposition 45, Speed up environmental reviews for housing and infrastructure (published September 23, 2026, updated October 16, 2026) KPBS Public Media Accessed 2026-10-17
  20. Proposition 45 print version of the Official Voter Information Guide: Title and Summary, Analysis by the Legislative Analyst with Figure 1 listing the types of projects eligible to use the new procedures, and Text of Proposed Laws California Secretary of State Accessed 2026-10-17
  21. Qualified Statewide Ballot Measures (November 3, 2026 General Election list) California Secretary of State Accessed 2026-10-17