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City of San Mateo — Transactions and Use Tax Measure

City of San Mateo, San Mateo County • 2026 • Measure

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CalBallot explanation · AI-assisted and source-checked

Add a quarter-cent sales tax in the City of San Mateo, estimated to provide $7 million annually for general city services until ended by voters. The resolution states that this would increase the city’s own transactions and use tax from 0.25% to 0.50%. Independent audits and local control of funds are required.

Official source: https://smcacre.gov/elections/november-3-2026-statewide-general-election

Approval requirement: Majority (county listing).

Official ballot question

To provide funding for San Mateo city services, such as keeping local streets, sidewalks, parks, infrastructure, and community facilities safe, clean, and well-maintained, fixing potholes, providing fire protection, paramedic, crime prevention, and 9-1-1 emergency response, and improvements to traffic safety/traffic management, shall the City of San Mateo’s ordinance establishing a one-quarter cent sales tax be adopted, providing 7 million dollars annually for general government use until ended by voters, with independent audits and all funds locally-controlled?

Official ballot wording and filing (PDF page 2). Wording transcribed from the official filing; line breaks and spacing normalized.

About this explanation and its sources

CalBallot explanation: AI-assisted, checked against the cited official documents. It is separate from the official ballot question and from campaign arguments.

Official ballot wording and filing (PDF page 2)

Content reviewed 2026-10-08. Source files checked 2026-10-08. Links open the county’s current files, which may change after review.

Explore the historical comparison

18 of 26 recorded Sales Tax measures in San Mateo passed between 2004 and 2024.

Same county and broad measure type. These measures may have different purposes and voting rules. Historical outcomes are not a forecast.

Recent records from this comparison:

Campaign finance

CalBallot has not yet linked campaign-finance filings to this local measure. No contribution or spending total is reported here.

San Mateo County campaign-finance resources

Use the November 2026 election, jurisdiction and measure name to search. City or regional committees may file with a different office; the county resource is a starting point, not a complete measure-specific filing list.

Official documents

Documents are hosted by the county. Capture dates describe when CalBallot retrieved the files; the county may update its files.

Open in the CalBallot explorer →