Accessory Structures in Gilbert, AZ (2026)
3 verified accessory structures rules for Gilbert, Arizona, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Gilbert's LDC caps single-family lots at one detached and one attached accessory dwelling unit, with a second detached unit allowed only on parcels of an acre or more if one ADU is restricted-affordable. Every ADU is also capped at 75% of the primary home's floor area and cannot exceed the base district's height or lot coverage.
Gilbert ADU Count & Size Limits
Some RestrictionsGilbert Land Development Code § 5.2.3(3)-(4)
3. Number a. One (1) detached b. One (1) attached; and c. One (1) additional detached Accessory Dwelling Unit for parcels one acre or more if at least one Accessory Dwelling Unit is a Restricted-Affordable Dwelling Unit. 4. Design and Use Standards a. ADUs cannot exceed the maximum lot coverage percentage of the base zoning district. b. ADUs cannot exceed the height of the base zoning district....
ADU Rental Restrictions
Gilbert's Land Development Code states directly that an accessory dwelling unit may be rented or leased separately from the principal dwelling: there is no owner-occupancy requirement or minimum-tenancy rule in this section, and the allowance is repeated for the larger, permit-tier ADUs as well.
Gilbert Permits Separate ADU Rentals
Few RestrictionsGilbert Land Development Code § 5.2.3(4)(f)
f. Separate renting or leasing of ADUs from the principal dwelling is permitted. 5. Exterior Design The exterior design of the Accessory Dwelling Unit shall comply with the following standards, but the exterior design is not required to match the exterior design of the Singe-Family Dwelling on the same lot or parcel. a. Elevations shall in...
Shed & Carport Rules
In Gilbert's SF-43 single-family district, the Land Development Code lets you build an unlimited number of detached accessory structures like sheds and workshops, but caps them at 30 feet tall and ties every one to the same setbacks as the house unless it sits in the rear two-thirds of the lot, where a reduced 5-foot setback applies only under 10 feet in height.
Gilbert SF-43 Accessory Structure Rules
Some RestrictionsGilbert Land Development Code § 3.2.4.A (Table 3.2.4.A.2)
Table 3.2.4.A.2 SF-43 Accessory Structures (no Living Quarters): Construction — During or after the primary structure/use construction. Number — Unlimited. Utilities — From the primary service. Location — Within the building envelope or Within a required side or rear building setback if within the rear 2/3 of the lot. Lot Coverage — Sum of bldg. footprints counts toward the max. lot coverage. R...
Looking for Maricopa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Gilbert city rules.
Accessory Structures in Maricopa County →