Accessory Structures in Hemet, CA (2026)
5 verified accessory structures rules for Hemet, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Hemet's zoning code (Sec. 90-321) allows detached ADUs up to 1,200 sq ft and attached ADUs up to 50% of the primary home, with 4-foot side/rear setbacks. The city's 2018 ordinance predates many state changes, so current California ADU Law (Gov. Code 66310+) governs where it conflicts.
Hemet Accessory Dwelling Unit (ADU) Rules
Some RestrictionsShed Rules
Under Hemet zoning Sec. 90-320, a shed or accessory structure over 120 sq ft needs a building permit. Small non-affixed sheds under 120 sq ft and 8 feet tall may sit as close as 3 feet to side/rear lines. All accessory structures together cannot exceed 50% of the main home's floor area.
Hemet Shed and Accessory Structure Rules
Some RestrictionsGarage Conversions
Hemet's zoning code addresses garage conversions mainly through its ADU provisions (Sec. 90-321): when a garage or carport is converted to an ADU, no replacement off-street parking is required. Converting a garage to living space still requires permits, and required parking must otherwise be maintained.
Hemet Garage Conversion Rules
Some RestrictionsCarport Rules
Hemet's zoning code (Sec. 90-320) treats carports as accessory structures with a 20-foot maximum height. Like other accessory structures, a carport over 120 sq ft requires a building permit and must meet the setbacks of its zone. Structures within 5 feet of a side/rear line are limited to 8 feet tall.
Hemet Carport Rules
Some RestrictionsTiny Homes
Hemet has no separate tiny-home ordinance. A permanent tiny house on a foundation is regulated as a dwelling or ADU under Sec. 90-321 (detached ADUs up to 1,200 sq ft). Movable tiny homes on wheels are treated as RVs and cannot be used as permanent residences outside approved settings.
Hemet Tiny Homes Rules
Some RestrictionsLooking for Riverside County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Hemet city rules.
Accessory Structures in Riverside County →