Before You Build in Gilbert, AZ: Permit & Rule Checklist (2026)

Gilbert requires all pools and spas to have barriers at least 5 feet high per ARS 36-1681. The barrier must prevent a 4-inch sphere from passing through, with self-closing and self-latching gates.

Block walls and masonry fences typically require building permits in Gilbert. Wood fences under 6 feet may be exempt. Pool barriers must meet ARS §36-1681.

Gilbert regulates fence heights through the Land Development Code. Residential fences are generally limited to 6 feet in side and rear yards, with lower limits in front yards for visibility.

Gilbert's development code addresses fence placement relative to property lines. Fences must be within the owner's lot and comply with setbacks, easements, and sight visibility requirements.

Gilbert requires building permits for retaining walls over 4 feet high. Engineered plans are needed for taller walls, and combined fence-retaining wall heights are regulated by the Land Development Code.

Gilbert requires building permits for pools, spas, and hot tubs. Arizona has strict pool barrier requirements under ARS §36-1681. Inspections required.

Gilbert enforces ARS 36-1681 pool barriers. 5-foot minimum fence, self-closing gates. Extremely high pool density in Gilbert subdivisions makes barrier compliance a top safety priority.

Gilbert enforces strict pool safety per ARS §36-1681 and the federal VGB Act. Anti-entrapment drains, barriers, alarms, and depth markers required.

Above-ground pools in Gilbert must meet the same barrier requirements as in-ground pools. Pools with non-climbable walls at least 5 feet high with secured ladders may serve as the barrier.

Hot tubs and spas in Gilbert must meet pool barrier requirements or have an approved locking safety cover. Permanent installations with electrical connections require building permits.

Garage conversions to ADUs are permitted under HB 2720 with a building permit. Converted spaces must meet residential building codes. Gilbert previously required compatible design, which HB 2720 eliminated.

Gilbert permits ADUs up to 1,000 sq ft or 75% of the primary dwelling. State law HB 2720 requires a minimum 5-foot setback. ADU parking must be behind the main building and screened from the street.

Gilbert requires building permits for structures 200 sq ft or larger, or any structure with utilities. Smaller structures without utilities are permit-exempt. Buildings must meet prescribed setbacks per the Land Development Code.

Carport construction in Gilbert requires a building permit and must meet zoning setback and height requirements. Carports are classified as accessory structures under the Land Development Code.

Gilbert allows tiny homes as ADUs on permanent foundations, limited to 1,000 sq ft or 75% of the primary dwelling. Tiny homes on wheels are classified as RVs and cannot be permanent residences.

Gilbert allows residential fire pits but wood-burning fires are prohibited on MCAQD no-burn days under ARS §49-501. Gas and propane fire features are unrestricted. Solid fuel burning devices must comply with MCAQD rules.

Outdoor burning in Gilbert is restricted under MCAQD rules and ARS §49-501. Wood-burning fire pits, chimineas, and yard waste burning are prohibited on no-burn days. Open burn permits from ADEQ may be required for certain activities.

Gilbert enforces water conservation requirements prohibiting irrigation waste and runoff. The town promotes xeriscape and desert-adapted landscaping through incentive programs and development standards.

Gilbert may protect native desert trees (palo verde, ironwood, saguaro). Street trees are city property. Proper pruning preserves shade in extreme heat.

Gilbert does not require permits for tree removal on private residential property. Public trees are managed by the town. New development must meet landscaping standards requiring tree plantings.