Swimming Pools & Spas in Alameda County, CA (2026)

4 county-level rules, plus city-specific rules for 6 cities in Alameda County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Alameda County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Pool Permits

Swimming pools and spas in unincorporated Alameda County require building, plumbing, and electrical permits and must comply with the California Building Code and Swimming Pool Safety Act (H&S 115920).

Swimming Pool Permits in Alameda County

Heavy Restrictions

Full ordinance details →Official source ↗

Fencing Requirements

Unincorporated Alameda County enforces the California Swimming Pool Safety Act (Health & Safety Code §§115920-115929). Pools deeper than 18 inches require an enclosure at least 60 inches high, with gates that self-close and self-latch at 60+ inches above grade. New or remodeled pools must have at least two of seven approved drowning prevention features.

Pool Fencing Requirements in Alameda County

Heavy Restrictions

California Health & Safety Code § 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 any, do ...

Full ordinance details →Official source ↗

Safety Rules

Unincorporated Alameda County applies California's Swimming Pool Safety Act (HSC 115920-115929) through Title 15 Chapter 15.08, which adopts the California Building and Residential Codes (2022 CRC Appendix AX). New or remodeled residential pools must have at least two of seven approved drowning-prevention features; any isolation barrier must be at least 60 inches tall.

Alameda County Pool Safety Rules

Heavy Restrictions

California Health & Safety Code § 115922(a) (Swimming Pool Safety Act)

(a) Except as provided in Section 115925... 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 prevention safety features: (1) An enclosure that meets the requirements of Se...

Full ordinance details →Official source ↗

Hot Tub Rules

Hot tubs and spas deeper than 18 inches require permits and follow the same California Pool Safety Act fencing or locking-cover rules as pools; smaller spas follow electrical permit requirements.

Hot Tub and Spa Rules in Alameda County

Some Restrictions

California Health & Safety Code § 115921(a)–(b)

As used in this article, the following terms have the following meanings: (a) "Swimming pool" or "pool" means any structure intended for swimming or recreational bathing that contains water over 18 inches deep. "Swimming pool" includes in-ground and aboveground structures and includes, but is not limited to, hot tubs, spas, portable spas, and nonportable wading pools. (b) "Public swimming pool"...

Full ordinance details →Official source ↗