Monterey County, CA Swimming Pools & Spas: Pool Permits (2026)
Swimming pool permit rules in Monterey County, CA, also covering above-ground pools, in-ground pools, and spa installations, set fencing, barrier, alarm, and inspection requirements.
Key Facts
- Permit Authority
- Monterey County HCD - Building Services
- Local Code
- Monterey County Code Ch. 18.22 and Ch. 18.14
- Adopted Codes
- California Building Code and Residential Code (Ch. 18.02)
- Regulated Depth
- Water over 18 inches deep (Cal. HSC 115921)
- Companion Review
- Zoning setbacks under Title 20 or Title 21
Summary
Building a swimming pool, spa or hot tub in unincorporated Monterey County requires a building permit from the Housing and Community Development Department. Work must meet the adopted California Building Standards Code and Monterey County Code Chapter 18.22, which governs unincorporated swimming pools, spas and hot tubs.
The provisions of this chapter shall apply to the construction, installation, alteration, repair, replacement, addition to, use, occupancy and maintenance of all swimming pools, spas and hot tubs in the unincorporated area of the County of Monterey.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 56).
Full Breakdown
02 adopts the California Building Standards Code (Title 24), including the California Building Code and California Residential Code, as the County's building code for the unincorporated area. 14 requires a permit issued by the Housing and Community Development (HCD) Department before regulated construction begins. Plan review checks structural, plumbing, electrical and energy provisions, plus the drowning-prevention features required by the California Swimming Pool Safety Act (Health & Safety Code 115922-115925). Because a pool is treated as an accessory use, the project must also satisfy the applicable zoning setback and lot-coverage standards under Title 21 (inland) or Title 20 (coastal zone) before the building permit can be finalized.
California defines a regulated swimming pool as any structure intended for swimming or recreational bathing that holds water more than 18 inches deep, which sweeps in in-ground pools, above-ground pools, spas and hot tubs.
Violations & Fines
Installing a pool, spa or hot tub without the required permit is a code violation that typically triggers a stop-work order and an after-the-fact permit, often at increased fees. Owners may have to expose finished work for inspection and bring non-conforming work into compliance. Final inspection sign-off confirming the required safety barrier and features is needed before the pool can be lawfully used.
Frequently Asked Questions
Do I need a permit for an above-ground pool or portable spa in unincorporated Monterey County?
What inspections does Monterey County require for a new pool?
Sources & Official References
Other rules in Monterey County
California rules heatmap·Compare Monterey County to another location·View the California swimming pools & spas overview
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