Accessory Structures in Maricopa, AZ (2026)
5 verified accessory structures rules for Maricopa, Arizona, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
The City of Maricopa does not permit standalone accessory dwelling units for separate housekeeping. A detached accessory structure may not have plumbing for a kitchen or laundry unless approved as 'guest quarters' under the city's zoning code. Guest quarters cannot be rented, leased, or sublet and are not treated as a second dwelling. Generally only one dwelling unit is allowed per lot outside the Heritage Mixed-Use Overlay District.
Maricopa ADU & Casita Rules
Heavy RestrictionsShed Rules
In the City of Maricopa, detached sheds and other accessory structures are covered by MCC 18.80.020. Detached accessory buildings have a maximum height of 15 feet and a minimum 3-foot setback in any location other than the required front yard. Residential accessory structures greater than 120 square feet require Planning and Zoning approval, and detached accessory structures may not occupy more than 30 percent of the required rear yard setback.
Maricopa Shed Rules
Some RestrictionsGarage Conversions
Converting a garage into living space in Maricopa requires a building permit, and you must still satisfy the city's covered-parking requirement for single-unit dwellings. Because the city limits lots to one dwelling unit and prohibits kitchen/laundry plumbing in accessory space unless approved as guest quarters, you generally cannot create a second independent dwelling by converting a garage. Plans showing the scope of work are required.
Maricopa Garage Conversion Rules
Heavy RestrictionsCarport Rules
Carports are accessory structures in Maricopa and fall under MCC 18.80.020. A detached carport has a maximum height of 15 feet and a minimum 3-foot setback in any location other than the required front yard. Carports must sit behind the front line of the primary structure unless the code allows otherwise, and residential accessory structures greater than 120 square feet require Planning and Zoning approval.
Maricopa Carport Rules
Some RestrictionsTiny Homes
Maricopa generally allows only one dwelling unit per lot and regulates manufactured homes and recreational vehicles under MCC 18.120.150. RVs and park-model trailers used as dwellings are limited to recreational vehicle parks, resorts, and subdivisions, with one RV per approved space. A standalone tiny home cannot become a second independent dwelling on a standard residential lot, and casita-style units are treated as non-rentable guest quarters.