Coverage dated September 30, 2026 to October 1, 2026

California billionaire tax: Here's everything you need to know about Proposition 40

Headline from ABC 7 Los Angeles

Could California become the first state in the country to enact a billionaire tax? Proposition 40 is an effort to fund the state's healthcare system by taxing the ultra-wealthy.

ABC 7 Los Angeles's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Reports & sources

3 articles, oldest first.

  1. ABC 7 Los Angeles

    California billionaire tax: Here's everything you need to know about Proposition 40 (opens ABC 7 Los Angeles)

    Published

    ABC 7 Los Angeles's feed description

    Could California become the first state in the country to enact a billionaire tax? Proposition 40 is an effort to fund the state's healthcare system by taxing the ultra-wealthy.

  2. Los Angeles Times

    Your guide to Proposition 40: California's billionaire tax proposal (opens Los Angeles Times)

    Published

    Los Angeles Times's feed description

    Prop 40, which would tax the assets of California billionaires to mostly fund healthcare, has divided Democratic politicians, labor unions and other groups.

  3. CalMatters

    Billionaire tax explained: What you need to know about Prop. 40 (opens CalMatters)

    Published

    CalMatters's feed description

    Proposition 40 would levy a one-time tax on billionaires. Some say the initiative opens the door to tax flight and more aggressive taxation. Others say there’s no way to predict the outcome.

California billionaire tax: Here's everything you need to know about Proposition 40 | Since Then