Swimming Pools & Spas in Ontario, CA (2026)
5 verified swimming pools & spas rules for Ontario, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Pool Permits
Ontario requires a building permit, plumbing permit, electrical permit, and plan check before any pool or spa construction under the California Building Standards Code and Ontario Municipal Code.
Swimming Pool Permits in Ontario
Heavy RestrictionsCalifornia Health and Safety Code § 115920
Health and Safety Code - HSC. DIVISION 104. ENVIRONMENTAL HEALTH [106500 - 119406]. PART 10. RECREATIONAL SAFETY [115725 - 116095]. CHAPTER 5. Safe Recreational Water Use [115825 - 116090.7]. ARTICLE 2.5. The Swimming Pool Safety Act [115920 - 115929]. 115920. This act shall be known and may be cited as the Swimming Pool Safety Act. (Added by Stats. 1996, Ch. 925, Sec. 3.5. Effective January 1,...
Fencing Requirements
Ontario pools must comply with the California Swimming Pool Safety Act at H&S Code 115920, which requires an approved barrier or combination of safety features around any residential pool or spa.
Swimming Pool Fencing Requirements in Ontario
Heavy RestrictionsCalifornia Health and Safety Code § 115920 (Swimming Pool Safety Act)
Health and Safety Code - HSC. DIVISION 104. ENVIRONMENTAL HEALTH [106500 - 119406]. PART 10. RECREATIONAL SAFETY [115725 - 116095]. CHAPTER 5. Safe Recreational Water Use [115825 - 116090.7]. ARTICLE 2.5. The Swimming Pool Safety Act [115920 - 115929]. 115920. This act shall be known and may be cited as the Swimming Pool Safety Act. (Added by Stats. 1996, Ch. 925, Sec. 3.5. Effective January 1,...
Safety Rules
Ontario residential pools must meet state drowning-prevention safety features, anti-entrapment drain covers under the Virginia Graeme Baker Act, and California Building Code electrical bonding rules.
Swimming Pool Safety Rules in Ontario
Heavy RestrictionsCalifornia Health and Safety Code § 115920 (Swimming Pool Safety Act)
Health and Safety Code - HSC. DIVISION 104. ENVIRONMENTAL HEALTH [106500 - 119406]. PART 10. RECREATIONAL SAFETY [115725 - 116095]. CHAPTER 5. Safe Recreational Water Use [115825 - 116090.7]. ARTICLE 2.5. The Swimming Pool Safety Act [115920 - 115929]. 115920. This act shall be known and may be cited as the Swimming Pool Safety Act. (Added by Stats. 1996, Ch. 925, Sec. 3.5. Effective January 1,...
Above-Ground Pools
Above-ground pools in Ontario deeper than 18 inches need a building permit, barrier compliance, and electrical bonding. Removable mesh fencing or a self-latching ladder gate typically satisfies code.
Above-Ground Pool Rules in Ontario
Some RestrictionsCalifornia Health and Safety Code § 115920 (Swimming Pool Safety Act)
Health and Safety Code - HSC. DIVISION 104. ENVIRONMENTAL HEALTH [106500 - 119406]. PART 10. RECREATIONAL SAFETY [115725 - 116095]. CHAPTER 5. Safe Recreational Water Use [115825 - 116090.7]. ARTICLE 2.5. The Swimming Pool Safety Act [115920 - 115929]. 115920. This act shall be known and may be cited as the Swimming Pool Safety Act. (Added by Stats. 1996, Ch. 925, Sec. 3.5. Effective January 1,...
Hot Tub Rules
Ontario hot tubs and spas require a building permit, electrical permit, bonding to Article 680, and either a locking safety cover meeting ASTM F1346 or full pool-barrier compliance under state law.
Hot Tub and Spa Rules in Ontario
Some RestrictionsCalifornia Health and Safety Code § 115921 (Swimming Pool Safety Act Definitions)
Health and Safety Code - HSC. ARTICLE 2.5. The Swimming Pool Safety Act [115920 - 115929]. 115921. 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 ...
Looking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Ontario city rules.
Swimming Pools & Spas in San Bernardino County →