Accessory Structures in Orange, CA (2026)
5 verified accessory structures rules for Orange, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
The City of Orange regulates accessory dwelling units under OMC Chapter 17.29, consistent with California Government Code Section 65852.2. Detached ADUs up to 850 sq ft (one bedroom) or 1,000 sq ft (two+ bedrooms) are permitted on single-family lots via ministerial building permit.
Orange ADU Regulations
Some RestrictionsShed Rules
Sheds and accessory structures in Orange are regulated under OMC Title 17 residential district standards. Small detached structures under 120 square feet typically do not require a building permit but must comply with zoning setbacks and height limits.
Orange Shed and Accessory Structure Rules
Some RestrictionsGarage Conversions
Garage conversions in Orange are permitted under the ADU framework in OMC Chapter 17.29, consistent with California state ADU law. Converting an existing garage to an ADU is exempt from replacement parking requirements and standard setback requirements.
Orange Garage Conversion Rules
Some RestrictionsCarport Rules
Carports in Orange are regulated as accessory structures under OMC Title 17 (Zoning). Attached carports must maintain the same setbacks as the primary structure. A building permit is required for all carport construction.
Orange Carport Regulations
Some RestrictionsTiny Homes
Tiny homes in Orange are regulated through the ADU framework under OMC Chapter 17.29 and California Government Code Section 65852.2. Tiny homes on permanent foundations meeting building code qualify as ADUs. Tiny homes on wheels are not permitted as permanent residences.
Orange Tiny Home Regulations
Some RestrictionsLooking for Orange County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Orange city rules.
Accessory Structures in Orange County →