Garage conversion rules in Hemet, CA — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
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 does not publish a stand-alone garage-conversion ordinance; conversions are handled through the zoning code's accessory dwelling unit and parking provisions in Chapter 90. The code (consistent with Sec. 90-321 and Sec. 90-314 site standards) provides that when a garage, carport, or covered parking structure is demolished in connection with the construction of an ADU, or is converted to an ADU, no replacement off-street parking spaces are required. This mirrors California ADU Law (Gov. Code 66314).
A garage conversion that creates an ADU or junior ADU is processed ministerially under state ADU rules, but any conversion of a garage to habitable space still requires building permits to meet current California Building, electrical, plumbing, and energy codes. If a conversion is not an ADU, the city's underlying parking standards still apply, meaning a home generally must retain the required covered or off-street parking. Because HCD's October 2025 letter flagged Hemet's 2018 ADU ordinance as potentially out of compliance, applicants converting a garage into an ADU should rely on current State ADU Law where the local ordinance differs, and confirm requirements with the Hemet Planning Division (951-765-2375).
Converting a garage to living space without building permits, or eliminating required parking for a non-ADU conversion, can result in code enforcement, fines, and orders to restore parking or legalize the work.
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