Garage conversion rules in San Leandro, CA — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
Garage conversions to ADUs are streamlined in San Leandro under state ADU law. Replacement parking cannot be required near transit.
California ADU law (Gov Code 65852.2) allows existing garages to be converted to ADUs with ministerial approval. San Leandro cannot require replacement parking when a garage is converted to an ADU if within half-mile of transit. Conversions must meet Building Code for habitability (ceiling height, egress, insulation, smoke/CO alarms). Conversion to non-ADU living space (a gym or office that is not a dwelling) still requires a building permit and change of use review.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Alameda County.
See how other cities in Alameda County handle garage conversions.
See how San Leandro's garage conversions rules stack up against other locations.
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