ADU rules in West Sacramento, CA — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
WSMC §17.30.040 allows one Accessory Dwelling Unit and one Junior Accessory Dwelling Unit per single-family lot. Maximum floor area is 850 sq ft (1-bedroom) or 1,000 sq ft (2+ bedroom); lots over one acre may have up to 1,200 sq ft.
ADUs may be detached, attached, or interior conversions. Setbacks are 4 feet from side and rear property lines, with exceptions for conversion of existing structures. The unit must have independent exterior access from the primary residence. No additional parking is required for ADUs within ½ mile of transit. Tiny Homes on Wheels used as ADUs are subject to a separate section. State ADU law preempts more restrictive local rules.
Building Division enforcement; failure to meet ADU standards can prevent issuance of a Certificate of Occupancy.
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See how West Sacramento's adu rules rules stack up against other locations.
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