Garage conversion rules in Daly City, CA — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
Daly City requires a building permit for any garage conversion or construction of rooms in a garage, including secondary units; for garage-to-ADU conversions, state law bars the city from requiring replacement off-street parking.
The Building Division requires a permit for a garage or construction of rooms therein, including secondary units. For garage-to-ADU conversions, the city's ADU checklist requires compliance with trash and recycling storage and front yard paving rules, plus Engineering Division consultation on whether the driveway curb cut must be removed or reduced. Daly City Municipal Code Section 17.40.090 bars downstairs room construction that displaces required parking and requires internal integration between habitable rooms, and modified garage doors must be replaced during later permitted work over fifty thousand dollars. California Government Code Section 66314(d)(11) (formerly 65852.2) prohibits the city from requiring replacement off-street parking when a garage is converted to or demolished for an ADU.
Converting a garage without permits is a building code violation; Code Enforcement investigates complaints, mails violation letters with abatement deadlines, and refers unresolved cases to the Administrative Hearing Board.
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