Beaches in San Mateo County, CA
San Mateo County has 21 beaches in the EPA BEACON attribute extract for California.
Beaches
21
Beach Act beaches
20
Public access
20
Source: US EPA BEACON beach attributes. Attribute year 2026. Last reviewed October 2026.
This page lists beach identity, location and monitoring-program attributes. It does not show current advisories or bacteria sample results. For today's conditions, check your state or local beach program. How to read these attributes.