Gov. Gavin Newsom in the Capitol Annex Swing Space in Sacramento on Feb. 11, 2026. Photo by Miguel Gutierrez Jr., CalMatters
Not only has Gov. Gavin Newsom vocally opposed the proposed California billionaire tax, but he also wants to prevent the state from ever passing a wealth tax in the future.
Last week he endorsed Proposition 42, a ballot measure that would cancel out Proposition 40, the proposed billionaire tax. Prop. 42 would prohibit retroactive taxes like the one-time 5% tax on assets that would apply to any billionaire who lived in California on Jan. 1, 2026, if Prop. 40 passes.
But Prop. 42, funded and placed on the ballot by billionaire and Google co-founder Sergey Brin to defeat the billionaire tax, also would go further, by banning any new taxes on personal property.
That includes pensions and 401(k) accounts before retirees start drawing retirement income from them. It also includes other investments, financial assets, business holdings, art collections and all other forms of personal wealth that would be affected by the billionaire tax or any future wealth tax.
Newsom’s decision to support Prop. 42 runs counter to his own Democratic Party and some labor unions. It also aligns…
