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A Wealth Tax in California?

Leading tax policy experts provide the latest details and analysis of the 2026 Billionaire Tax Act, a California ballot initiative that would impose a one-time tax of 5 percent on the net worth of the state’s billionaires. Learn more about the proposal’s projected impact on the Golden State’s economy, government revenue, and taxpayers.

Featured Resources

  • California wealth tax proposal California 2026 Billionaire Tax Act CA wealth tax

    The Proposed California Wealth Tax Is Far Higher than 5 Percent

    The 2026 Billionaire Tax Act, a California ballot initiative, would ostensibly impose a one-time tax of 5 percent on the net worth of the state’s billionaires. Due, however, to aggressive design choices and possible drafting errors, the actual rate on taxpayers’ net worth could be dramatically higher.

    18 min read
  • California Wealth Tax

    Would California’s Wealth Tax Be Temporary?

    Proponents of a California wealth tax ballot initiative insist that the proposed wealth tax is temporary: a one-time 5 percent tax that can be paid upfront or over five years with deferral charges. Others are skeptical that the wealth tax would be allowed to expire.

    6 min read

Featured Experts

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