Menifee, CA Accessory Structures: Garage Conversions (2026)

5. Demolition Permit. The review and issuance of a demolition permit for a detached garage that is replaced by an accessory dwelling unit shall be reviewed with the application for the accessory dwelling unit and issued at the same time. [...] h. If a garage, carport or covered parking structure providing required parking for the primary dwelling is demolished or converted in conjunction with the construction of an accessory dwelling unit, replacement spaces for the primary dwelling shall not be required. [...] The above setback requirements shall not apply where an existing permitted accessory structure or structure is converted to an accessory dwelling unit or where the accessory dwelling unit replaces an existing structure provided that the accessory dwelling unit is constructed in the same location and to the same dimensions as the existing structure and that the structure meets fire safety requirements. [...] iii. If a garage, carport, or covered parking structure providing required parking for the primary dwelling is demolished or converted in conjunction with the construction of an accessory dwelling unit, replacement spaces are not required. [...] b. JADUs must be constructed entirely within the walled interior area of an existing or proposed primary dwelling. Enclosed uses within the residence, such as an attached garage, are considered part of the proposed or existing single-family residence. [...] g. The JADU shall not exceed 500 square feet.