Accessory Structures in Marana, AZ (2026)
5 verified accessory structures rules for Marana, Arizona, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Marana adopted ADU regulations under HB 2720 (LDC §17-6-14). State law applies: max ADU size 75% of primary dwelling or 1,000 sq ft; side/rear setback minimum 5 feet; no parking required. ADUs on lots with new ADUs (post Sep 14, 2024) used as STRs require owner-occupancy.
Marana ADU Rules & Accessory Dwelling Unit Regulations
Some RestrictionsShed Rules
Marana allows residential storage sheds subject to Land Development Code setback and size requirements. Sheds under 200 square feet are generally exempt from building permits but must comply with setbacks and height limits. HOA approval required in most communities.
Marana Shed Rules
Some RestrictionsGarage Conversions
Garage conversions in Marana require a building permit and must comply with the Land Development Code parking requirements. Converting a garage to living space may trigger the need to provide replacement off-street parking to maintain the minimum required for the residence.
Marana Garage Conversion Rules
Some RestrictionsCarport Rules
Marana requires building permits for carport construction. Carports must comply with Land Development Code setback, height, and lot coverage requirements. HOAs in master-planned communities may restrict or prohibit freestanding carports.
Marana Carport Rules
Some RestrictionsTiny Homes
Marana permits tiny homes on foundations that meet minimum dwelling size requirements and building code standards. Tiny homes on wheels (THOWs) are classified as recreational vehicles and may not be used as permanent residences in most residential zones.
Marana Tiny Home Rules
Some RestrictionsLooking for Pima County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Marana city rules.
Accessory Structures in Pima County →