California Ballot Measures

Neutral, source-cited information about statewide ballot measures.

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Statewide ballot measures: what each one does, its fiscal effect and the money raised for and against it.
Prop What it does Type Topic Fiscal effect Raised: Yes / No
Prop 1 Lets the state borrow $11.25B for affordable housing, homebuyer aid and veterans' home loans.S1S2S4 Legislative statute Housing Bonds Budget $500M to $600M a year for about 25 yearsS2S3 Yes $12.8M No None reported
Prop 2 Requires rainy day fund deposits until it reaches 20% of General Fund taxes; extends extra debt payments.S1S2S3S4S9 Legislative constitutional amendment Budget Taxes Education Health State budget reserves would be higherS1S2S3S9 Yes None reported No None reported
Prop 3 Makes the 2012 income tax rates on high earners permanent instead of expiring in 2031.S1S3S6S7S10 Initiative constitutional amendment Taxes Education Health Budget Keeps $5B to $15B a year in state revenueS1S2S3S6S7S10 Yes $46.3M No $5.5K
Prop 4 Lets state and local governments create public financing programs for election campaigns.S1S2S3S4S7 Legislative statute Elections Local government A few hundred thousand dollars a yearS1S2S3S4S5S6 Yes $235K No None reported
Prop 5 Drops the replacement-candidate question from recalls; vacancies filled by special election or appointment.S1S2S3S4S7 Legislative constitutional amendment Elections Local government Unknown; possible savings or costs of millions per recallS1S2S3S4S6S11 Yes None reported No None reported
Prop 37 Creates a state mortgage program, up to $25B in bonds, for middle-income buyers of new homes.S1S2S4S7S13 Initiative statute Housing Bonds Property No direct state or local cost; repaid by homebuyersS1S2S3S4S6S7S11S12 Yes $19.6M No None reported
Prop 38 Lets the state borrow $8.4B for immunology and immunotherapy research.S1S2S3S7S13 Initiative statute Health Bonds Budget $500M to $600M a year for about 20 yearsS1S2S3S5S6S7S11 Yes $64.2M No $3.8K
Prop 39 Requires voters to provide additional identifying information each time they vote.S1S2S3S7S13 Initiative constitutional amendment Elections Tens of millions to low hundreds of millions a yearS1S2S3S4S6S13S14 Yes $15.8M No $29.6M
Prop 40 One-time 5% tax on the net worth of California billionaires.S1S2S3S4S6S7S14S15S16 Initiative constitutional amendment and statute Taxes Health Education Budget Tens of billions over several yearsS1S2S3S4S6S7S14S15S16 Yes $32.2M No $99.6M
Prop 41 Bars new state taxes exempt from the spending limit; State Auditor reviews special-tax programs.S1S2S3S4S7S12S15 Initiative constitutional amendment Taxes Budget Unknown net effect; added State Auditor costsS2S3S12S13S18S19 Yes $58.4M No $703K
Prop 42 Bans new state taxes on financial assets or other personal property and limits retroactive taxes.S1S2S3S4S5S7S15 Initiative constitutional amendment Taxes Property Could reduce future state tax revenueS2S3S12S13S20 Yes $111M No $703K
Prop 43 Requires two-thirds voter approval for certain local taxes, including voter-proposed special taxes, from 2027.S1S2S4S7S14S17 Legislative constitutional amendment Taxes Local government Could reduce future local tax revenueS2S3S11S16S17 Yes $10.0M No $8.0M
Prop 44 Requires certain nonprofit community clinics to spend at least 90% of revenue on patient services.S1S2S3S4S7S12S14 Initiative statute Health Business Low tens of millions a year, paid by clinic feesS1S2S3S12S15S17 Yes $10.8M No $21.6M
Prop 45 Creates optional faster environmental review and court-challenge rules for certain projects.S1S2S3S7S12S14S20 Initiative statute Environment Housing Local government High tens of millions a year at first; fees cover someS1S2S3 Yes $40.1M No $18.9M

Last updated October 17, 2026