Accessory Structures in Gardena, CA (2026)
5 verified accessory structures rules for Gardena, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Gardena regulates accessory dwelling units under Gardena Municipal Code Chapter 18.13, implementing California Government Code Sections 66310 through 66342. ADUs are allowed on any residentially or mixed-use zoned lot with an existing or proposed single-family or multifamily dwelling, and applications are decided ministerially.
Gardena ADU and JADU Rules
Few RestrictionsShed Rules
Gardena regulates detached accessory buildings such as sheds through the R-1 single-family residential zone standards in Gardena Municipal Code Chapter 18.12, together with the general development standards of Chapter 18.42. Accessory buildings must be customary to the residential use and comply with placement, setback, and lot-coverage rules.
Gardena Shed and Accessory Building Rules
Some RestrictionsGarage Conversions
Gardena allows an attached or detached garage to be converted into an accessory dwelling unit under Gardena Municipal Code Chapter 18.13. A converted or replacement structure built in the same location and dimensions needs no added setback, and demolished garage parking need not be replaced.
Gardena Garage Conversion Rules
Some RestrictionsCarport Rules
Gardena treats carports as accessory structures and required parking, governed by the R-1 zone standards in Gardena Municipal Code Chapter 18.12 and the parking provisions of Chapter 18.40. Covered parking must meet the setback, separation, and lot-coverage rules that apply to accessory buildings.
Gardena Carport and Covered Parking Rules
Some RestrictionsTiny Homes
Gardena has no separate tiny-home ordinance. A permanent tiny house on a foundation is regulated as an accessory dwelling unit under Gardena Municipal Code Chapter 18.13, while a tiny house on wheels is treated as a recreational vehicle and cannot be used as a permanent dwelling on residential property.
Gardena Tiny Home Rules
Some RestrictionsLooking for Los Angeles County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Gardena city rules.
Accessory Structures in Los Angeles County →