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Monday, October 19, 2026Bay Area Market: Coverage updated daily

The billionaire tax could be defeated by two other tax measures. Here’s how

California voters will soon decide whether to tax billionaires — but even if a majority says yes, the measure could still lose to either of two billionaire-funded measures designed to cancel it out.  The billionaire-backed group Building a Better California designed two countermeasures to undermine the wealth tax and create multiple ways to defeat it.…

Bay Area real estate and housing market
Curated News BriefBased on original reporting by CalMatters Housing (September 24, 2026). The summary below is the Journal’s; the local analysis is original commentary by Omar Murillo.

According to CalMatters Housing, California voters are facing a complex three-way ballot situation where the billionaire tax could lose even if it wins the most votes. The measure in question, Proposition 40, would impose a one-time tax on residents whose net worth exceeds one billion dollars, with the money primarily going toward healthcare programs and some toward education. But here's where it gets tricky: two other ballot measures, Propositions 41 and 42, have been specifically designed to block Prop. 40 from taking effect, and the voting rules mean only one outcome can prevail.

The way this works is straightforward but unusual. If Proposition 40 gets more votes than both competing measures, the wealth tax becomes law and the other two disappear. However, if either Proposition 41 or 42 gets more votes than Prop. 40, the wealth tax never takes effect, regardless of whether Prop. 40 technically won more votes than the other did. It's a clever structural setup funded by billionaires who want to prevent any wealth tax from happening.

Proposition 41 targets the wealth tax indirectly by requiring new tax proposals to comply with California's spending limit from 1979, something the billionaire tax isn't written to do. It would also require the state auditor to review tax proposals before they reach voters. Proposition 42 takes a more direct approach by banning new taxes on personal property like investments, businesses, and art collections, which is exactly what Prop. 40 would tax. Prop. 42 also prohibits retroactive taxes, which would eliminate the provision allowing the state to tax wealth accumulated before the measure takes effect.

According to CalMatters Housing, polling from the Public Policy Institute of California shows slim majorities supporting all three measures, which creates genuine confusion about what voters are actually choosing. Billionaires, led by figures like Google co-founder Sergey Brin and organized through a group called Building a Better California, have invested more than $187 million combined to defeat the wealth tax through these three ballot measures. The wealth tax's main backer, the Service Employees International Union, has raised about $31 million to support Proposition 40, along with backing from the California Democratic Party and various healthcare organizations.

Governor Newsom opposes the wealth tax, arguing it won't solve California's long-term budget problems and will simply drive wealthy residents and businesses out of the state, ultimately reducing tax revenue. This puts him at odds with the union organizing the campaign to pass Prop. 40. The challenge facing supporters of the wealth tax, as reported by CalMatters Housing, is that voter confusion about these three competing measures will make it difficult to build clear support.

What I am seeing locally in the Bay Area is that these kinds of complex ballot measures create real uncertainty for high-net-worth individuals and business owners who are watching these votes carefully. Whether you're selling a nine-figure real estate portfolio or building wealth through property investment, the outcomes of these three propositions could have significant tax implications. The uncertainty itself tends to make people more cautious about big financial moves until the results are clear, which can cool down market activity in our region during election season.