7 Arizona Rules That Kick In the Day a Pool Goes In

Building a pool in Arizona is exciting, but the fun comes with a checklist.

State law sets requirements from the start, and cities like Phoenix can add more.

Here’s what applies as soon as your pool installation begins.

Note: This is general information, not legal advice. Pool rules and permit requirements vary by city and county and are subject to change.

1. Five-Foot Barrier

Arizona Revised Statutes section 36-1681 reaches water 18 inches deep or more at any point, but it exempts public and semi-public swimming pools.

Your pool has to sit inside at least a five-foot wall, fence or other barrier, measured from the outside.

Some alternatives apply where a house wall is part of the enclosure.

Your barrier can’t have a gap that lets a four-inch ball through.

The outside of it can’t offer a handhold or foothold for climbing, either.

Skipping the barrier is a petty offense under the same statute.

The fine is waived if you show you fenced the pool to its standards within 45 days of the citation.

The waiver also requires an approved swimming pool safety course.

A residence where all residents are at least six years old is exempt.

Your city or county may have additional rules, so check them.

2. Self-Latching Gates

Under the state statute, the gate in your pool barrier has to be self-closing and self-latching.

The latch usually has to sit at least 54 inches above the ground.

A padlock or similar device that needs a key, an electric opener or a combination can sit at any height instead.

The gate also has to swing open away from the pool.

Phoenix adds that your gate has to meet the same construction requirements as the fence around it.

3. Required Safety Notice

State law puts a notice duty on anyone who agrees to build a pool, or to sell, rent or lease a home with a pool.

That person has to give the buyer, renter or lessee a notice about pool safety and the responsibilities of owning a pool.

The rent-or-lease wording covers landlords.

The Arizona Department of Health Services approves the notice and posts a residential pool safety notice on its website.

4. House-Wall Alternatives

If your house forms part of the enclosure, one of four alternatives replaces the standard barrier rules.

One is a wall, fence or barrier at least four feet high between your pool and the house.

Another is a motorized safety pool cover that needs a key switch to operate.

A third puts self-latching devices on all ground-level doors and other doors with direct access to the pool.

It also sets latch, screen or lock rules for windows.

The fourth covers an aboveground pool with non-climbable sides at least four feet high and a ladder that’s removable without tools.

5. Doors That Face the Pool

Doors in a house wall that doubles as a pool barrier fall under Phoenix's barrier rules.

Every door in that wall has to be self-closing and self-latching, according to the city's pool barrier requirements.

The latch or lock must sit at least 54 inches above the floor.

A double-keyed dead bolt at any height is acceptable.

Animal or doggie doors aren't allowed.

Sliding glass doors have to be self-closing and self-latching with an approved automatic door closer.

Pre-1990 Pools

Phoenix's enforcement procedure uses inner barrier for a separate fence that surrounds the pool and perimeter barrier for the fence around the property.

Phoenix's pool barrier requirements, revised in January 2026, include a grandfather clause for pools permitted before May 4, 1990.

Under it, an existing inner yard barrier can stay in place if it's at least four feet high.

It also has to meet the earlier barrier standards.

The FAQ adds a condition for pools permitted before that date.

A retroactive inner yard barrier is required if one or more children under six years of age become occupants of the property.

6. Two Phoenix Inspections

Two inspections, pre-gunite and pre-plaster, are conducted on swimming pools in Phoenix, according to the city's pool barrier requirements.

All pools are checked for code compliance and health and safety issues.

If your house wall is part of the barrier, an adult has to be present at the inspection when belongings or minors are in the home.

Once your barrier is approved, you need a new permit to enlarge, alter, repair, remove, convert or replace it.

7. Three Feet From the Property Line

Phoenix zoning sets a minimum pool setback of three feet from exterior property lines, according to the city's residential pool permit FAQ.

Unincorporated Maricopa County's pool requirements say pools must be set back at least 3 feet from all property lines.

The FAQ also calls for a survey waiver when the water's edge, a waterfall or another water feature will sit less than five feet from your property line.