San Antonio, TX Swimming Pools & Spas: Fencing & Safety Requirements (2026)
Key Facts
- Minimum
- Minimum barrier height: 48 inches above grade (ISPSC 305.2.1)
- Limit
- Maximum bottom gap: 2 inches (non-solid grade) / 4 inches (solid)
- Gates Must
- Gates must open outward, self-close, and self-latch (305.3)
- Door/window Alarms
- Door/window alarms required when dwelling wall is part of barrier (305.4)
- Permit
- Permit required from Development Services before construction
Summary
San Antonio enforces the 2018 International Swimming Pool and Spa Code (ISPSC) Section 305 for residential pool barriers, requiring a 48-inch perimeter fence with self-closing, self-latching gates and door alarms on dwelling openings facing the pool.
(a) Except as otherwise provided by Section 757.005, a gate in a fence or wall enclosing a pool yard as required by Section 757.003 must:(1) have a self-closing and self-latching device;(2) have hardware enabling it to be locked, at the option of whoever controls the gate, by a padlock or a built-in lock operated by key, card, or combination; and(3) open outward away from the pool yard.(b) Except as otherwise provided by Subsection (c) and Section 757.005, a gate latch must be installed so that it is at least 60 inches above the ground, except that it may be installed lower if:(1) the latch is installed on the pool yard side of the gate only and is at least three inches below the top of the
Full Breakdown
1 as adopted by the City, residential pools and spas must be enclosed by a permanent barrier at least 48 inches above grade measured on the side facing away from the pool, around the entire perimeter. Vertical clearance between grade and the bottom of the barrier may not exceed 2 inches over non-solid surfaces (grass, gravel) or 4 inches over solid surfaces. Chain-link mesh openings cannot exceed 1-3/4 inches; vertical-member spacing cannot exceed 4 inches when horizontal members are less than 45 inches apart. 3 requires gates to open outward away from the pool and be self-closing and self-latching, with the latch release mechanism on the pool side at least 3 inches below the top when below 54 inches.
4 mandates that where a wall of the dwelling serves as part of the barrier, doors and windows providing direct access to the pool must be equipped with a UL 2017-listed alarm, an ASTM F1346 powered safety cover, or equivalent self-closing/self-latching protection. Permits are required through the Development Services Department before construction.
Violations & Fines
Construction without a permit or non-compliance with Section 305 barrier requirements can result in stop-work orders, permit denial, civil penalties, and required corrective work before final inspection approval.
Frequently Asked Questions
Can my house wall count as part of the pool barrier?
What height fence does San Antonio require around a residential pool?
Sources & Official References
Other rules in San Antonio
Texas rules heatmap·Compare San Antonio to another location·View the Texas swimming pools & spas overview
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Fencing & Safety Requirements in Nearby Cities
How other cities in Bexar County handle fencing & safety requirements.