Swimming Pools & Spas in Redwood City, CA (2026)
3 verified swimming pools & spas rules for Redwood City, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Fencing Requirements
Pool fences in Redwood City must be greater than 5 feet high (California requires minimum 60 inches), self-latching, self-closing, with no climbable protrusions, vertical ground clearance under 2 inches, and no gaps over 4 inches.
Redwood City Swimming Pool Fencing
Heavy RestrictionsCA Health & Safety Code 115922-115923 (Swimming Pool Safety Act)
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...
Safety Rules
New pools in Redwood City require a building permit. Pools must meet California Swimming Pool Safety Act requirements. Anti-entrapment drain covers (Virginia Graeme Baker Act) are required on all pools.
Redwood City Swimming Pool Safety Rules
Some RestrictionsCalifornia Health & Safety Code § 115922
(6) An alarm in good repair and operable as designed that, when placed in a swimming pool or spa, will sound upon detection of accidental or unauthorized entrance into the water. The alarm shall meet and be independently certified to the ASTM International F2208 standard that includes surface motion, pressure, sonar, laser, and infrared type alarms. A swimming protection alarm feature designed ...
Above-Ground Pools
Above-ground pools over 18 inches deep in Redwood City require a building permit and must meet California pool safety fencing requirements. Temporary inflatable pools under 18 inches are generally exempt from permit requirements.
Redwood City Above-Ground Pool Rules
Some RestrictionsCalifornia Health & Safety Code, Division 104, Part 10, Chapter 5, Article 2.5
(c) “Enclosure” means a fence, wall, or other barrier that isolates a swimming pool from access to the home. (d) “ANSI/APSP performance standard” means a standard that is accredited by the American National Standards Institute (ANSI) and published by the Association of Pool and Spa Professionals (APSP).
Looking for San Mateo County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Redwood City city rules.
Swimming Pools & Spas in San Mateo County →