Ballot measure · California · November 3, 2026
Proposition 40
Title as the state lists it: Imposes One-Time Tax on Certain Taxpayers. Initiative Constitutional Amendment and Statute.1,
- How it got there
- Citizen initiative
- Kind of measure
- Constitutional amendment
- To pass
- A majority of the votes on it
- Researched
- October 27, 2026
Research draft. We gathered this from official sources on October 27, 2026: election offices, state laws and court records, each linked to its source. Separate reviewers checked a random sample of 48 facts from the ballot-measure research against the cited sources and found no errors. The rest hasn't been reviewed fact by fact yet, so check the linked source before relying on anything here.
§1What your vote means
Drafted by AI from the public sources cited. Each sentence links to its source.
A yes vote
A yes vote would impose a one-time state tax of up to 5 percent on taxpayers with covered assets worth over $1 billion who were California residents on January 1, 2026, with real estate and some pensions and retirement accounts excluded, and would direct 90 percent of the money to health care and 10 percent to food assistance or education.3,
More about it
The Legislative Analyst says that if Proposition 41 or Proposition 42 gets more yes votes than Proposition 40, courts could find a conflict and Proposition 40 could be kept from taking effect even if a majority votes yes on it.5 Where in the source: p. 55, Potential Interactions With Other Propositions
§2How it got on the ballot
Drafted by AI from the public sources cited. Each sentence links to its source.
Citizen initiative. Voters proposed it by signing a petition.1,
Constitutional amendment. It would change the state constitution.1,
The Secretary of State lists this measure as an initiative constitutional amendment and statute, so it would change both the state constitution and state statutes.1
It is on California's list of statewide measures for November 3, 2026.1,
§3What it needs to pass
Drafted by AI from the public sources cited. Each sentence links to its source.
A majority of the votes on it. An initiative passes if more voters vote yes than no on it.6,
Related
- Every measure on California’s ballot
- Proposition 1: Authorizes Bonds for Housing Affordability Programs. Legislative Statute.
- Proposition 2: Increases State’s Rainy Day Fund. Legislative Constitutional Amendment.
- Proposition 3: Provides Permanent Funding for Schools and Health Care by Extending Existing Tax on High Incomes. Initiative Constitutional Amendment.
- Proposition 4: Repeals Prohibition Against Public Funding of Election Campaigns. Legislative Statute.
- Proposition 5: Changes Recall Election Process for Statewide Officers. Legislative Constitutional Amendment.
- Proposition 37: Creates Loan Program for Middle-Income Buyers of Qualified New Homes. Initiative Statute.
- Proposition 38: Authorizes Bonds for Immunology Medical Research. Initiative Statute.
- Proposition 39: Prohibits Citizens from Voting Unless They Present Government-Issued Identification. Initiative Constitutional Amendment.
- Proposition 41: Prohibits New State Taxes That Exclude Revenues from State Spending Limit. Requires Audits for New State Special Taxes. Initiative Constitutional Amendment.
- Proposition 42: Prohibits New State Personal Property Taxes and Certain Retroactive State Taxes. Initiative Constitutional Amendment.
- Proposition 43: Limits Voters’ Ability to Raise Revenues for Local Government Services. Legislative Constitutional Amendment.
- Proposition 44: Requires Community Health Clinics Spend 90% Of Revenue on Program Services. Initiative Statute.
- Proposition 45: Modifies Environmental Review for Certain Projects. Initiative Statute.
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