California · Constitutional amendment · put on the ballot by petition · Nov 3, 2026
Proposition 42
Prohibits New State Personal Property Taxes and Certain Retroactive State Taxes
What it says
Prohibits new state taxes on personal property, including business interests, intellectual property, and financial assets (including retirement and investment accounts). Prohibits new state taxes that apply retroactively based on the taxpayer's conduct, activities, or status that occurred before the new tax's effective date. Applies to new taxes enacted or taking effect on or after January 1, 2026. States that other voter-approved measures on the same ballot are void if they conflict with this measure and this measure receives more affirmative votes.
This is a summary from the state's own official materials, shown as published. Read the full text at the source, and check your state's election office for the final word on what is on your ballot. Official source ↗(opens in a new tab) Download the official file ↗(opens in a new tab)
Other measures in California
- Proposition 1 · Authorizes Bonds for Housing Affordability Programs
- Proposition 2 · Increases State's Rainy Day Fund
- Proposition 3 · Provides Permanent Funding for Schools and Health Care by Extending Existing Tax on High Incomes
- Proposition 4 · Repeals Prohibition Against Public Funding of Election Campaigns
- Proposition 5 · Changes Recall Election Process for Statewide Officers
- Proposition 39 · Prohibits Citizens from Voting Unless They Present Government-Issued Identification
- Proposition 40 · Imposes One-Time Tax on Certain Taxpayers
- Proposition 41 · Prohibits New State Taxes That Exclude Revenues From State Spending Limit; Requires Audits for New State Special Taxes
- Proposition 37 · Creates Loan Program for Middle-Income Buyers of Qualified New Homes
- Proposition 38 · Authorizes Bonds for Immunology Medical Research
- Proposition 44 · Requires Community Health Clinics to Spend 90% of Revenue on Program Services
- Proposition 45 · Modifies Environmental Review for Certain Projects
- Proposition 43 · Limits Voters' Ability to Raise Revenues for Local Government Services