Swimming Pools & Spas in San Mateo County, CA (2026)
2 county-level rules, plus city-specific rules for 4 cities in San Mateo County, California.
Verified from official government sources
Pool Permits
In unincorporated San Mateo County, building a swimming pool or spa requires a building permit and a boundary survey from the Planning and Building Department. Applicants submit plot plans, structural/plumbing/electrical and mechanical details, engineering and energy calculations, and pay building, plan-check and related fees.
San Mateo County Pool & Spa Building Permits
Some RestrictionsCal. Health & Safety Code Sec. 115922 (Swimming Pool Safety Act - Drowning Prevention Features)
115922. (a) Except as provided in Section 115925, subject to subdivision (b), and consistent with Section 1596.814, when a building permit is issued for the construction of a new swimming pool or spa or the remodeling of an existing swimming pool or spa at a private single-family home, the respective swimming pool or spa shall be equipped with at least two of the following seven drowning preven...
Fencing & Safety Requirements
Unincorporated San Mateo County follows California's Swimming Pool Safety Act for pool barriers. A qualifying enclosure must be at least 60 inches high, leave no more than a 2-inch gap at the bottom, block a 4-inch sphere, and have self-closing, self-latching gates that open away from the pool with the latch at least 60 inches high.
San Mateo County Pool Fencing Requirements
Some RestrictionsCalifornia Health and Safety Code § 115923 (Swimming Pool Safety Act)
115923. An enclosure shall have all of the following characteristics: (a) Any access gates through the enclosure open away from the swimming pool, and are self-closing with a self-latching device placed no lower than 60 inches above the ground. (b) A minimum height of 60 inches. (c) A maximum vertical clearance from the ground to the bottom of the enclosure of two inches. (d) Gaps or voids, if ...
Swimming Pools & Spas by City in San Mateo County
4 cities in San Mateo County have their own swimming pools & spas rules. Each link goes to that city's dedicated page with code citations.
2 verified rules • Fencing & Safety Requirements, Pool Permits
2 verified rules • Fencing & Safety Requirements, Pool Permits
2 verified rules • Fencing & Safety Requirements, Pool Permits
2 verified rules • Fencing & Safety Requirements, Pool Permits
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