SF QuorumQuorum
Back to legislation
Resolution#251084Passed
In plain English

This resolution supports a statewide initiative to tax the net worth of California billionaires in 2025, aiming to generate revenue for health care and public education. It targets over 200 billionaires with a combined wealth of nearly $2 trillion.

Resolution supporting the passage of the 2026 Billionaire Tax Act, a statewide initiative to implement a tax on the 2025 net worth of billionaires who live in California, over 200 people who altogether have a combined wealth of nearly $2,000,000,000,000; the collected revenue would go to fund health care programs and public education.

Introduced: Oct 28, 2025
Final action: Nov 14, 2025
Official record โ†—

How it got here

The 2026 Billionaire Tax Act originated from a need to address funding shortfalls in healthcare and education due to federal cuts, leading to a proposed tax on California billionaires.

1
Proponents Submit InitiativeOctober 21, 2025
Jim Mangia and Suzanne Jimenez

Jim Mangia and Suzanne Jimenez, as proponents, submitted the '2026 Billionaire Tax Act' to the California Attorney General for title and summary preparation, aiming to tax the net worth of billionaires in California.

2026 Billionaire Tax Act document
2
Resolution AdoptedNovember 4, 2025
San Francisco Board of Supervisors

The Board of Supervisors adopted Resolution No. 545-25, supporting the passage of the 2026 Billionaire Tax Act, which aims to levy a one-time tax on billionaires to fund healthcare and education.

Board Pkt 110425
3
Resolution Returned UnsignedNovember 14, 2025
Mayor of San Francisco

The Mayor returned the resolution unsigned, but it became effective without his approval due to the time limit set by the city charter.

Leg Final
4
Resolution Transmitted to GovernorDecember 2, 2025
Clerk of the Board

The Clerk of the Board transmitted a copy of the adopted resolution to Governor Gavin Newsom, formally supporting the initiative.

COB Ltr 120225

Reconstructed from attached documents & the official record

Document trail
PDF โ†—
PDF โ†—
PDF โ†—
PDF โ†—
PDF โ†—
PDF โ†—

How they voted

Legislative journey

PresidentOct 28, 2025
โœ“REFERRED FOR ADOPTION WITHOUT COMMITTEE REFERENCE AGENDA AT THE NEXT BOARD MEETING
Board of SupervisorsNov 4, 2025
โœ“ADOPTEDPass
MayorNov 14, 2025
ยทRETURNED UNSIGNED
Clerk of the BoardDec 2, 2025
ยทTRANSMITTED