California Pool Permit Requirements — 2025 County-by-County Guide
California pool permit requirements by county and city — fees, timelines, barrier rules, and exactly what documents to submit for 2025.
California Pool Permit Requirements by County and City
| Jurisdiction | Permit Required? | Depth Threshold | Building Permit Fee | Electrical Permit? | Online Submission? |
|---|---|---|---|---|---|
| Los Angeles County | Required | 18 in | $800–$2,200 | Yes | Yes — LADBS portal |
| City of Los Angeles | Required | 18 in | $900–$2,500 | Yes | Yes — LADBS portal |
| Orange County | Required | 18 in | $700–$1,800 | Yes | Yes |
| San Diego County | Required | 18 in | $600–$1,600 | Yes | Yes |
| Riverside County | Required | 18 in | $500–$1,400 | Yes | Yes |
| San Bernardino County | Required | 18 in | $500–$1,300 | Yes | Yes |
| Contra Costa County (East Bay) | Required | 18 in | $650–$1,700 | Yes | Yes |
| Alameda County | Required | 18 in | $700–$1,900 | Yes | Yes |
| Santa Clara County | Required | 18 in | $750–$2,000 | Yes | Yes |
| Sacramento County | Required | 18 in | $550–$1,500 | Yes | Yes |
California's 60-Inch Fence Requirement — AB 3305
California stands alone among all U.S. states in requiring a 60-inch (5-foot) minimum pool barrier. Under AB 3305, which took effect statewide in 2018, all new residential pools must be surrounded by a 60-inch barrier — 12 inches taller than the 48-inch IRC standard used everywhere else. Additionally, California requires a second layer of protection beyond the fence: a qualifying pool alarm, an ASTM-compliant safety cover, or door alarms on all house access doors to the pool area.
The practical implication: standard 4-foot aluminum or vinyl fence panels do not meet California requirements. You need 5-foot panels, which cost more and are less widely available. Price this into your project budget before finalizing fence specifications.
California Title 24 Energy Compliance for Pool Equipment
California requires that pool pump motors meet minimum efficiency standards under Title 24 of the California Code of Regulations. For new pool installations, the pump must be a variable-speed or multi-speed motor meeting California's energy efficiency requirements. Single-speed pump motors are not permitted for new residential pool installations in California. Your permit application must include CalGreen energy compliance documentation showing that the specified pump meets Title 24 standards. This is a California-only requirement that increases both the equipment cost and the permit submittal complexity.
Documents Required for a California Pool Permit
- Completed building permit application from your county or city building department
- Site plan showing pool location with all distances to property lines, house, and easements
- Pool manufacturer spec sheet (above-ground) or construction drawings (inground)
- Property survey showing lot boundaries and all recorded easements
- Licensed contractor information and license number
- HOA approval letter if your property has an HOA
- Electrical subpermit application (filed by your licensed electrician)
- Permit fee payment
Pool Barrier Requirements in California
California enforces pool barrier requirements based on the International Residential Code. All pools holding water 24 inches or deeper require a barrier with at minimum: a 48-inch fence on the exterior side, self-closing and self-latching gate with latch on pool side at least 54 inches from grade, no openings larger than 4 inches, and no climbable horizontal members within 36 inches of the exterior.
If the house wall serves as part of the pool barrier, all doors from the house directly to the pool area must have self-closing hardware and door alarms that sound when opened.
What Happens If You Skip the Permit in California?
Building a pool without a permit in California creates the same risks as in any other state: fines, home sale complications, and insurance coverage gaps. Aerial imagery reviews are becoming more common in faster-growing California counties. During any home sale or refinance, the permit history is checked. A retroactive permit is almost always available — but at 1.5x to 3x the standard fee, plus any correction costs. The proactive path costs less. See our guide on building without a permit for the full picture.