Pool safety barriers

Compiled by the San Diego Pools Wiki editorial team · First published 9 November 2026 · Revised 9 November 2026

At a glance: California requires a new or remodelled pool at a single-family home to have at least two of seven drowning-prevention features, such as an isolation fence, a safety cover or self-latching doors, inspected before final approval. Unincorporated San Diego County also requires a 60-inch enclosure from neighbours^[1][3].

What does California require?

Under Health and Safety Code section 115922, when a building permit is issued for a new pool or spa, or to remodel one, at a private single-family home, the pool must have at least two of seven drowning-prevention safety features^[1]:

1. An enclosure that isolates the pool or spa from the home and meets Section 115923
2. Removable mesh fencing meeting ASTM F2286, with a self-closing, self-latching gate that can take a key lock
3. A manual or powered safety pool cover labelled as meeting ASTM F1346-23
4. Exit alarms on the home’s doors and windows that open directly to the pool, sounding continuously or giving a repeated spoken warning
5. A self-closing, self-latching device with a release at least 54 inches above the floor on doors that open directly to the pool
6. An in-pool alarm independently certified to ASTM F2208 (wearable child alarms do not count)
7. Other means giving equal or greater protection, independently verified by an approved testing laboratory and labelled

The section was amended by Senate Bill 552, effective 1 January 2025. Before final approval, the local building official must inspect the features^[1]. For these rules a “swimming pool” is any structure for swimming or recreational bathing with water more than 18 inches deep, including in-ground and above-ground pools, hot tubs, spas and fixed wading pools^[2].

Which combinations do not count?

The law rules out three pairings, because the two features would fail in the same situation^[1]:

• An exit alarm and a self-closing, self-latching device on the same door
• An exit alarm and a door latch on separate doors
• A safety pool cover and an in-pool alarm

A common compliant pairing is an isolation enclosure plus a safety cover, or an enclosure plus self-closing, self-latching doors.

What does San Diego County add?

In unincorporated San Diego County, form PDS-379 requires a permanent enclosure separating the pool from neighbouring properties, plus at least one County-accepted safety feature and at least one non-redundant State feature^[3]. The enclosure must:

• Be at least 60 inches high, measured on the side away from the pool
• Have no more than 2 inches of clearance at the bottom (4 inches over a solid surface)
• Not pass a 1‑3/4-inch sphere through any gap, with limited exceptions for vertical members
• Have no handholds or footholds that would let a child under five climb it
• Use self-closing gates that open away from the pool and self-latch at least 54 inches above the gate bottom

The County’s exit alarm option sets a performance standard: the alarm must sound for at least 30 seconds within seven seconds of the door opening, reach at least 85 decibels at 10 feet indoors, reset automatically, and be deactivated only by a touchpad at least 54 inches high for no more than 15 seconds. All of the enclosure and safety features must be inspected and approved before plaster or water.

Why are the rules so strict?

Drowning kills about 4,000 people a year in the United States, an average of 11 a day, according to the CDC. More children aged 1 to 4 die from drowning than from any other cause, and for ages 5 to 14 it is the second leading cause of unintentional injury death after motor vehicle crashes^[4]. Barriers buy time: they are meant to stop or delay a child who gets out of the house unseen.

How do barriers fit into a pool project?

Plan them at the design stage. A city site plan must show the location, extent and height of all barriers and the swing of gates^[5], and the County requires barriers to meet setback rules^[3]. San Diego Pools’ packages include “alarms as required” but list fences as not included, noting that state law may require one^[6]. Budget for the fence or cover from the start, and make sure the contract says who supplies and installs each feature.

Do the rules apply to existing pools?

Section 115922 applies when a permit is issued to build or remodel a pool or spa at a single-family home^[1]. Other rules can also apply to an existing pool, such as the anti-entrapment upgrade required when a pool is remodelled; see drain entrapment safety.

Questions readers ask

Related articles

• Service area
• Pool permits in San Diego
• People
• Packages and pricing
• Location and map

Notes and sources

1. ^ ^{a b c d e} Health and Safety Code section 115922 (drowning prevention safety features). California Legislative Information. Retrieved 9 November 2026.
2. ^ Health and Safety Code section 115921 (definitions). California Legislative Information. Retrieved 9 November 2026.
3. ^ ^{a b c} PDS-379: Swimming Pool and Spa Safety Requirements. County of San Diego Planning & Development Services. Retrieved 9 November 2026.
4. ^ Drowning Facts. Centers for Disease Control and Prevention. Retrieved 9 November 2026.
5. ^ Information Bulletin 712: Swimming Pools and Spas (June 2021). City of San Diego Development Services Department. Retrieved 9 November 2026.
6. ^ Starting Price Point (Get Started). San Diego Pools (sandiegopools.com). Retrieved 9 November 2026.