California Billionaire Tax Measure Moves to November Ballot Amid Political Battle
California’s proposed billionaire tax measure, aimed at offsetting federal healthcare funding cuts, is set to appear on the November 3 ballot after the state’s Secretary of State certified the initiative, according to official records. The proposal, backed by the Service Employees International Union-United Healthcare Workers West (SEIU-UHW), would impose a one-time 5% tax on the assets of the state’s wealthiest residents, targeting over 200 individuals, including tech executives and other high-net-worth individuals.
What is the California billionaire tax measure?
The measure, known as the “Billionaire Tax Now” initiative, was crafted by SEIU-UHW to address $100 billion in federal healthcare funding cuts enacted by the GOP-led Congress in 2023. Proponents argue the tax would protect healthcare access for vulnerable residents, while critics warn it could destabilize the state’s budget. The proposal requires a majority vote to pass and would be retroactive to billionaires living in California as of January 1, 2024.
“The vast majority of voters do not want to see California’s hospitals close,” said Debru Carthan, a spokesperson for the Billionaire Tax Now Coalition. “Gov. Newsom has no plan to stop emergency rooms from closing, and he’s in lock-step with Trump and billionaires.”
Why is the measure controversial?
The tax has drawn fierce opposition from business groups, healthcare leaders, and some Democrats, who argue it would make California’s budget even more volatile. A coalition of healthcare, education, and business leaders stated the measure “directly threatens vital funding for education, healthcare, and infrastructure.”
Opponents include the California Medical Association, the California School Boards Association, and the California Business Roundtable. Rob Lapsley, president of the California Business Roundtable, claimed the tax would force all Californians to declare their net worth and grant the legislature unchecked power to expand the tax to “home equity, retirement savings, and other assets.”
Supporters, however, point to public opinion polls showing backing for the measure. The union submitted 1.6 million signatures to qualify the proposal, more than double the required number. Despite this, the Newsom administration and allies have launched a campaign to defeat it, arguing the tax is a “reckless experiment.”
How did the political landscape shape the debate?
The measure has split California’s political class. While Rep. Ro Khanna (D-Fremont) and Sen. Bernie Sanders (I-Vt.) supported the tax, Governor Gavin Newsom and other Democrats opposed it, citing concerns about the state’s reliance on wealthy residents. Newsom’s team formed a coalition of healthcare and education activists to counter the initiative, arguing it would divert resources from critical services.
“This is a critical election where we need to concentrate on flipping the house and undoing the damage that was done by Trump’s legislation,” said Jodi Hicks of Planned Parenthood Affiliates of California. “The wealth tax is short-term and doesn’t address the long-term problem.”
The tax also faces two “poison pill” ballot measures that could nullify it if passed. One would bar new state taxes on personal property, while the other would require new taxes to comply with existing spending rules. Opponents argue these measures would protect California’s fiscal stability, while supporters call them a “political pawns” tactic.
What are the stakes for California’s economy?
California’s budget is heavily dependent on its wealthiest residents, with the state’s fourth-largest economy relying on their contributions. Critics warn that the tax could drive billionaires like Sergey Brin, co-founder of Google, to leave the state. Brin has allegedly donated $82 million to anti-tax advocacy groups, according to reports.

“We will not allow California’s most vulnerable patients to be used as political pawns,” said Francisco Silva of the California Primary Care Association. “Our coalition will mount an aggressive campaign to educate voters and defeat this reckless initiative.”
The measure’s outcome could set a precedent for wealth taxation in the U.S., with implications for other states considering similar policies. As November approaches, the battle over the billionaire tax highlights deepening divides over how to address healthcare funding and economic inequality.