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California voters to decide on Prop 40 billionaire tax

Katherine Langford
Editor-in-Chief · Friday, November 6, 2026 at 6:09 PM · 6 min read
California voters decide on Proposition 40 billionaire tax
In this story
  1. Proposition 40: The Billionaire Tax Proposal
  2. Opposition and Economic Concerns
  3. Impact on Atherton and Local Economy
  4. Competing Measures and the Ballot Landscape
  5. Proposition 2 and Proposition 1: Related Measures
  6. Wider Support and Opposition
  7. Katherine's Perspective on Proposition 40
  8. Resources for California Voters

As California voters cast their ballots, one of the most closely watched measures on the ballot is Proposition 40, a proposed tax on the state’s wealthiest residents aimed at bolstering the healthcare system. The initiative, which could make California the first state in the nation to enact a billionaire tax, faces a challenging path to approval. As of Friday morning, early results show a significant divide, with 55% of voters opposed and 45% in favor. This debate arrives at a critical juncture for California, as the state’s healthcare system faces severe cuts mandated by the One Big Beautiful Bill Act, potentially jeopardizing coverage for millions and straining vital medical services across the state, including those serving Atherton residents.

Proposition 40: The Billionaire Tax Proposal

Proposition 40 proposes a one-time 5% tax on the accumulated wealth of California taxpayers with a net worth exceeding $1 billion – approximately 250 individuals. The tax would apply to those who were legal residents of California as of January 1, 2026. Supporters estimate this levy could generate $100 billion, with 90% allocated to restoring healthcare cuts and the remaining 10% directed towards food assistance and public education. Dave Regan, President of SEIU United Healthcare Workers Trust, the organization spearheading Prop. 40, argues that the tax is a necessary contribution from the state’s wealthiest citizens. “Finally here in California, we’re saying to them you have to put up a little bit of money, a one-time emergency tax, so millions of people don't lose healthcare,” he stated. He further warned that inaction could lead to 3.5 million Californians losing coverage, 20 million facing higher premiums, and potential closures of hospitals and clinics. SEIU represents many healthcare workers in the Bay Area.

Opposition and Economic Concerns

The opposition to Proposition 40 is equally formidable, drawing support from prominent Democrats including Governor Gavin Newsom and gubernatorial candidate Xavier Becerra. Stuart Waldman, an advocate for economic growth and Los Angeles’ business community, expresses concerns about the potential economic consequences of the tax. “Thirty-eight percent of our state budget comes from the top 1%,” Waldman explained. “If those people moved, and some of them already have, it would have a drastic impact on our state budget.” Newsom has advocated for a federal wealth tax but has voiced concerns that Prop. 40 could undermine California’s competitive edge, potentially driving wealthy residents and businesses out of the state. The debate extends beyond mere financial considerations, touching upon broader questions of equity and the role of wealth in society. “Neither Governor Newsom nor Secretary Becerra have offered one idea to fix an imminent crisis in healthcare in California, and they all agree as to what the consequences are gonna be,” Regan asserted, highlighting the urgency of the situation. The Governor's website provides more information on the state's budget and policy initiatives.

Impact on Atherton and Local Economy

The financial implications of Proposition 40 extend beyond the state treasury, directly impacting Atherton families and businesses. While the tax would only apply to those with over $1 billion in assets, the potential for economic disruption – including business relocations and capital flight – could ripple through the local economy. Atherton's residents, known for their significant wealth and investment in local businesses, are particularly sensitive to policies that could impact their financial standing and the overall economic climate of the region. The broader healthcare crisis highlighted by Prop. 40 also poses a risk, as reduced access to quality medical care can affect the health and well-being of all residents, regardless of income level. The potential for increased healthcare premiums and limited access to specialized care could disproportionately impact families with complex medical needs.

Competing Measures and the Ballot Landscape

The debate surrounding Proposition 40 has been marked by significant financial investment from both sides. Building a Better California, a billionaire-funded political action committee, has spent over $304 million opposing the measure, while supporters have worked to garner public support. This intense lobbying effort also includes two competing measures: Proposition 41, which would invalidate new taxes whose revenues are excluded from the state spending limit, and Proposition 42, which would prohibit new state personal-property taxes and certain retroactive state taxes. If Prop. 40 gets more votes than both Prop. 41 and Prop. 42, it will survive. However, if either of the opposing measures receives more votes, Prop. 40 will fail. The Secretary of State's website provides comprehensive information on all propositions on the ballot.

Proposition 2 and Proposition 1: Related Measures

Adding to the complexity of this election, voters are also considering Proposition 2, which aims to increase the state’s Rainy Day Fund deposit cap by 10%, and Proposition 1, which authorizes $11.25 billion in bonds for affordable housing programs. Proposition 2 would allow legislators to deposit more funds into the state’s savings program, potentially avoiding taxpayer rebates in times of surplus. Supporters argue this measure will help the state better plan for economic booms and downturns, while opponents express concerns that it could lead to increased spending and reduced flexibility. Proposition 1, on the other hand, seeks to address California’s persistent housing affordability crisis by funding the construction of affordable housing units and assisting first-time homebuyers, particularly targeting veterans, seniors, teachers, and essential workers. The Los Angeles Times has provided extensive coverage of Proposition 1 and its potential impact.

Wider Support and Opposition

The intense lobbying efforts surrounding Proposition 40, including a record-breaking $300 million spent by both sides, underscore the high stakes involved and the deep divisions within the state regarding wealth distribution and public policy. Notable supporters of Proposition 40 include U.S. Representative Ro Khanna and Senator Bernie Sanders, who called the wealth tax “the most important ballot initiative in the country.” Conversely, San Francisco Mayor Daniel Lurie and other prominent figures have voiced opposition, citing concerns about potential economic consequences. The San Francisco Democratic Party even defied the state party to oppose the measure, reflecting a growing divide within the Democratic coalition. ABC 7 News has been providing ongoing coverage of the election.

Katherine's Perspective on Proposition 40

Proposition 40 represents a pivotal moment for California, forcing a reckoning with the widening gap between the wealthiest among us and those struggling to access basic necessities. While the intentions behind the measure – to protect healthcare for vulnerable populations – are laudable, the potential economic consequences demand careful consideration. The exodus of high-net-worth individuals and businesses, while a risk, is not inevitable. However, it underscores the need for policymakers to create a climate of stability and predictability that encourages investment and innovation. For families in Atherton and across the state, this election serves as a reminder of the interconnectedness of our economic well-being and the importance of responsible governance.

Resources for California Voters

For those seeking further information about Proposition 40 and the other measures on the ballot, several resources are available. The California Secretary of State’s website (sos.ca.gov) provides detailed explanations of each proposition, along with arguments for and against. The Legislative Analyst’s Office (lao.ca.gov) offers nonpartisan analysis of the fiscal impact of the measures. Local election officials can provide information on voter registration and polling locations. And, of course, staying informed through reputable news sources like the Golden Gate Current is essential for making informed decisions.

Looking ahead, regardless of the outcome of Proposition 40, the underlying issues of healthcare affordability and wealth inequality will remain at the forefront of California’s political discourse. The debate surrounding this measure has highlighted the need for creative solutions that address these challenges without jeopardizing the state’s economic vitality. The next legislative session will likely see renewed efforts to reform the healthcare system and explore alternative approaches to funding essential services. The long-term impact of this election will be felt for years to come, shaping the future of California and its place in the nation.

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