CB CalBallot

San Mateo County — Charter Amendment Measure – Extreme Weather Events

San Mateo County, San Mateo County • 2026 • Measure

Upcoming

CalBallot explanation · AI-assisted and source-checked

Add a provision to the San Mateo County Charter preamble identifying long-term resilience to extreme weather as a county priority.

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

Approval requirement: Majority (county listing).

Official ballot question

Shall the San Mateo County Charter be amended to add a provision to the Charter Preamble designating long-term resilience to extreme weather events as a County priority?

Official ballot wording and filing (PDF page 3). 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 3)

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

19 of 27 recorded Charter Amendment measures in San Mateo passed between 2000 and 2022.

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 →