Mesa, AZ Swimming Pools & Spas: Fencing & Safety Requirements (2026)
Key Facts
- Minimum Height
- 5 feet
- Max Opening Size
- 4-inch sphere test
- Ground Clearance
- 2 inches maximum
- Water Setback
- 20 inches from edge
Summary
Mesa requires all residential pools and spas to have barriers at least 5 feet high per the adopted building code and ARS 36-1681. Gates must be self-closing and self-latching with no openings larger than 4 inches.
A swimming pool, or other contained body of water that contains water eighteen inches or more in depth at any point and that is wider than eight feet at any point and is intended for swimming, shall be protected by an enclosure surrounding the pool area, as provided in this section. B. A swimming pool or other contained body of water required to be enclosed by subsection A whether a belowground or aboveground pool shall meet the following requirements: 1. Be entirely enclosed by at least a five foot wall, fence or other barrier as measured on the exterior side of the wall, fence or barrier. 2. Have no openings in the wall, fence or barrier through which a spherical object four inches in diameter can pass.
Full Breakdown
Every residential swimming pool in Mesa must be enclosed by a barrier (fence, wall, or building wall) at least 5 feet tall measured from the exterior side. The vertical clearance between grade and the bottom of the barrier cannot exceed 2 inches. No opening in the barrier may allow a 4-inch sphere to pass through. Gates must open away from the pool, be self-closing, and have self-latching hardware. Doors on buildings with direct pool access must have self-closing latches at 54 inches or approved alarms. The barrier must be at least 20 inches from the water's edge. Pool barriers mounted on the pool structure must have no more than 4 inches between the structure top and barrier bottom.
Violations & Fines
Pool barrier violations are serious safety issues enforced by Mesa building inspectors. Non-compliant barriers must be corrected immediately. Failure to comply can result in fines and a stop-work order on the pool.
Frequently Asked Questions
How tall must a pool fence be in Mesa?
What are the gate requirements for pool fences in Mesa?
Sources & Official References
Other rules in Mesa
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