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

2 rules for unincorporated Mendocino County, California.

Verified from official government sources

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

Pool Permits

Building a residential pool or spa in unincorporated Mendocino County requires a building permit under County Code § 18.08.010, issued and inspected by the Department of Planning and Building Services. Zoning Code § 20.456.015(F) exempts private pools and hot tubs from side- and rear-yard setbacks, though coastal-zone parcels still need a Coastal Development Permit.

Mendocino County Swimming Pool Building Permits

Some Restrictions

Mendocino County Code § 18.08.010(A)

(A)Except as otherwise exempted by the California Building Code and/or other county ordinances, no person, firm, or corporation shall erect, construct, enlarge, alter, repair, move, improve, occupy, remove, convert, or demolish any building or structure in the unincorporated area of the County or cause the same to be done without first obtaining a separate building permit for each such building...

Full ordinance details →Official source ↗

Fencing & Safety Requirements

Mendocino County has no standalone pool-fence chapter; it enforces pool safety by adopting the California Residential Code's Appendix CI, the state Swimming Pool Safety Act, at County Code § 18.04.025(C). Under Health and Safety Code § 115922, any new pool or spa built or remodeled under a county permit needs at least two of seven listed drowning-prevention features, most often an isolation enclosure.

Mendocino County Pool Barrier and Safety Rules

Some Restrictions

Cal. Health & Safety Code § 115922(a) (adopted via Mendocino County Code § 18.04.025(C))

(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 prevention saf...

Full ordinance details →Official source ↗

All Mendocino County ordinances

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