Accessory Structures in Sonora, CA (2026)
5 verified accessory structures rules for Sonora, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Sonora must allow ADUs per California Government Code section 65852.2. State law permits detached ADUs up to 1,200 square feet with 4-foot side and rear setbacks and 16-foot height limit. ADUs cannot be used as short-term rentals under Chapter 17.64.
Sonora Accessory Dwelling Unit Rules
Some RestrictionsShed Rules
Sheds and accessory structures in Sonora are regulated by zoning under Title 17 and building code requirements under Title 15.10. Building permits are typically required for structures over 120 square feet. Existing sheds can be converted to ADUs under state law.
Sonora Shed and Accessory Structure Rules
Some RestrictionsGarage Conversions
Garage conversions to ADUs are permitted in Sonora under California state law. Converted garages are exempt from development standards like setbacks and lot coverage, and the city cannot require replacement of lost parking spaces.
Sonora Garage Conversion Rules
Some RestrictionsCarport Rules
Carports in Sonora require a building permit and must comply with zoning setback requirements. Open-sided carports are treated as accessory structures and must meet the California Building Code for structural integrity, including wind and snow load requirements for the Sierra Nevada foothills.
Sonora Carport Construction Rules
Some RestrictionsTiny Homes
Tiny homes in Sonora are regulated based on whether they are classified as accessory dwelling units, manufactured homes, or recreational vehicles. ADU-classified tiny homes on foundations follow California ADU law. Tiny homes on wheels face more restrictions and generally cannot serve as permanent residences.
Sonora Tiny Home Regulations
Some RestrictionsLooking for Tuolumne County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Sonora city rules.
Accessory Structures in Tuolumne County →