SB 13 Summary

• Authorizes local agencies to permit accessory dwelling units (ADUs) in single-family and multifamily residential zones with ministerial approval within 60 days of a completed application; applications deemed approved if not acted upon within 60 days.

• Eliminates parking requirements for ADUs within one-half mile walking distance of public transit and prohibits requiring replacement of parking spaces demolished to construct an ADU.

• Establishes minimum size standards (efficiency units permitted) and maximum size limits of 850 square feet for single-bedroom ADUs and 1,000 square feet for multi-bedroom ADUs; prohibits minimum lot size requirements.

• Prohibits owner-occupancy requirements on ADUs permitted between January 1, 2020 and January 1, 2025; limits impact fees on ADUs under 750 square feet and requires proportional fees for larger units.

• Allows owners of ADUs built before January 1, 2020 to request a 5-year delay in enforcement of building violations if correction is not necessary to protect health and safety.