Swimming Pools & Spas in Union City, CA (2026)
5 verified swimming pools & spas rules for Union City, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Pool Permits
Building a swimming pool or spa in Union City requires permits from the Building Division. The city's Building Permit Requirements handout requires building, plumbing, mechanical, and electrical permits for most construction. Only prefabricated pools less than 24 inches deep are exempt.
Union City Swimming Pool Permit Requirements
Some RestrictionsFencing Requirements
Union City enforces California's Swimming Pool Safety Act for pool barriers through its building permits. Under Health and Safety Code 115922, new or remodeled residential pools need at least two of seven drowning-prevention features, and any enclosure must meet Section 115923's 60-inch minimum height.
Union City Pool Fencing and Barrier Requirements
Heavy RestrictionsSafety Rules
Pool safety in Union City is governed by California's Swimming Pool Safety Act, applied through the city's building permits. New and remodeled residential pools and spas must include at least two of seven state-approved drowning-prevention safety features under Health and Safety Code Section 115922.
Union City Pool Safety Rules
Heavy RestrictionsAbove-Ground Pools
Above-ground pools in Union City generally require building and related permits from the Building Division. The city's Building Permit Requirements handout exempts only prefabricated swimming pools that are less than 24 inches deep, so deeper above-ground pools need permits and must meet the state Pool Safety Act barrier standards.
Union City Above-Ground Pool Rules
Some RestrictionsHot Tub Rules
Hot tubs and spas in Union City are treated as construction requiring permits. The city's Building Permit Requirements handout lists no spa or hot tub exemption, so a building, plumbing, mechanical, and electrical permit is needed for most installations, and spas fall under California's pool safety standards.
Union City Hot Tub and Spa Rules
Some RestrictionsLooking for Alameda County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Union City city rules.
Swimming Pools & Spas in Alameda County →