New pools in unincorporated San Mateo County require a building permit. Pools must meet CA Building Code and the Pool Safety Act. Setback and slope compliance required. Anti-entrapment drains (Virginia Graeme Baker Act) required.
Building permits are required for new pool construction in unincorporated San Mateo County from the County Planning & Building Department (650-363-4161). Pools must comply with California Building Code, CA H&S §115920 (Pool Safety Act), and the federal Virginia Graeme Baker Pool and Spa Safety Act. Hillside properties require slope and setback compliance and may have additional geotechnical requirements. All pool drains must have anti-entrapment covers. Pool equipment requires separate permits.
Non-compliant safety features: correction order. Fines $250 to $1,000. HSC §115929 violations. Real estate disclosure required at sale.
San Mateo County, CA
Amplified music in unincorporated San Mateo County is regulated by County Code Chapter 4.88 Noise Control, which caps exterior noise at 55-75 dBA daytime and...
San Mateo County, CA
Unincorporated San Mateo County enforces CVC §22651(k) for vehicles on public streets (72 hours) and Ordinance Code Chapter 4.48 for inoperable vehicles on p...
San Mateo County, CA
Unincorporated San Mateo County has no general overnight parking ban on most streets. Specific residential neighborhoods may have permit parking. California ...
San Mateo County, CA
Unincorporated San Mateo County enforces California Swimming Pool Safety Act (H&S Code §115920-115929) and CBC Chapter 31B. Minimum 60-inch barrier, self-clo...
San Mateo County, CA
Unincorporated San Mateo County requires building permits for retaining walls over 4 feet measured from bottom of footing to top of wall, per California Buil...
San Mateo County, CA
Unincorporated San Mateo County allows backyard chickens on residential parcels of at least 2,500 sq ft under the County Zoning Regulations. 2,500 to 7,500 s...
See how San Mateo County's safety rules rules stack up against other locations.
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