Shed permit rules in Maricopa County, AZ — also referred to as storage shed, backyard shed, or accessory building regulations — set size limits, setbacks, and when a building permit is required.
Detached accessory buildings (sheds) in unincorporated Maricopa County may be built in required rear and side yards but cannot occupy more than 30% of any required yard. Sheds must be at least 3 feet from side and rear lot lines. They are prohibited in required front yards. Building permits are required. Maximum height is 30 feet in rural and single-family residential zones.
In unincorporated Maricopa County, sheds under 200 square feet generally do not require a building permit, though placement must comply with any applicable zoning setbacks. Properties within a zoning district overlay may have additional size and height restrictions enforced by Maricopa County Planning and Development at (602) 506-3301. Sheds should be anchored to withstand monsoon-season winds, which can exceed 60 mph in the Phoenix metro desert. Metal and UV-resistant materials are recommended due to extreme summer heat exceeding 115 degrees. Flood zone parcels require elevated or relocatable structures per FEMA guidelines.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Maricopa County code enforcement directly for current fines, enforcement procedures, and hearing options.
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See how Maricopa County's shed rules rules stack up against other locations.
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