Accessory Structures in Chandler, AZ (2026)
3 verified accessory structures rules for Chandler, Arizona, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Arizona HB 2720 (effective January 2025) allows ADUs by right on single-family lots in Chandler. Up to 2 ADUs per lot (1 attached, 1 detached). Maximum 1,000 sq ft or 75% of main dwelling. Chandler adopted Ordinance 5113 for compliance.
Chandler ADU (Accessory Dwelling Unit) Rules
Some RestrictionsChandler City Code Chapter 35, Section 35-2202.2 (Ordinance No. 5113, adopted December 9, 2024)
35-2202.2 ACCESSORY DWELLING UNITS. (1) ACCESSORY DWELLING UNITS ARE PERMITTED ON ANY LOT OR PARCEL WHERE A SINGLE-FAMILY DWELLING IS THE PRINCIPAL USE, SUBJECT TO THE FOLLOWING: (A) A MAXIMUM OF ONE ATTACHED AND ONE DETACHED ACCESSORY DWELLING UNIT SHALL BE PERMITTED. AN ACCESSORY DWELLING UNIT SHALL NOT EXCEED SEVENTY-FIVE (75) PERCENT OF THE GROSS FLOOR AREA OF THE EXISTING SINGLE-FAMILY DWE...
Shed & Carport Rules
A detached one-story shed in Chandler skips a building permit only if it stays at or under 120 square feet and 7 feet tall (up to 9 feet if setback is increased 2 feet for every extra foot of height). Regardless of permit status, zoning caps every accessory building at 15 feet tall, requires district-standard side/rear setbacks, and limits a lot to one accessory building.
Chandler Backyard Shed Size, Setback & Permit Rules
Some RestrictionsChandler City Code §§ 29-6.5, 35-2202
One-story detached accessory structures, provided that the floor area does not exceed 120 square feet (11.15 m2) and the height measured at the highest point does not exceed 7 feet (2134 mm) with option up to a maximum of 9 feet (2743 mm) with setbacks at a ratio of 2 additional feet of setback for each additional 1 foot of building height. ... Accessory buildings shall meet the minimum side an...
Garage Conversions
Chandler allows one attached and one detached accessory dwelling unit by right on any lot where a single-family dwelling is the principal use. Each ADU is capped at 75 percent of the house gross floor area or 1,000 square feet, whichever is less.
Chandler Garage Conversion and ADU Rules
Some RestrictionsChandler City Code § 35-2202.2 (Ord. No. 5113, 12-9-2024)
A maximum of one attached and one detached accessory dwelling unit shall be permitted. An accessory dwelling unit shall not exceed seventy-five (75) percent of the gross floor area of the existing single-family dwelling or one thousand (1,000) square feet, whichever is less.
Looking for Maricopa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Chandler city rules.
Accessory Structures in Maricopa County →