South San Francisco ADU size limits
Min: 150 square feet Max: 1,000 square feet
San Mateo County
South San Francisco has an official local rule record in this scrape. Provider research is grouped at the San Mateo County level.
Direct answer
South San Franciscohas an official local ADU rule record in this directory. Start with the city's size, height, setback, parking, and owner occupancy standards below, then confirm lot-specific limits with the official source before hiring design or construction help.
Min: 150 square feet Max: 1,000 square feet
Detached: 18 feet; up to 20 feet for units where roof pitch is aligned with the roof pitch of the primary dwelling unit AND the site is located within ½ mile walking distance from transit. Attached: height allowed in underlying zoning district. Front yard: distance required by underlying zoning. Street, interior, rear: 4 feet. Distance between structures: 4 feet, including eaves.
JADUs: No parking required ADUs: One spot may be required (tandem allowed). No parking required if: Within ½ mile walking distance from public transit; In a historic district; Converted within existing or proposed primary residence or accessory structure; Submitted with an application to create a new primary single- or multiple-unit dwelling; One block from a car-share vehicle; or...
-at-a-Glance FAQs Floorplans Inspiration Glossary Guidebook + Exercises Pre-Designed Plans Process-at-a-Glance See the resources page Events About Contact Getting Started Learning the Rules Budgeting Design Permitting Construction Renting Getting Started Learning the Rules Budgeting Design Permitting Construction Renting Home » Local Rules » South San Francisco Local ADU Rules South San...
Min: 150 square feet Max: 1,000 square feet
Detached: 18 feet; up to 20 feet for units where roof pitch is aligned with the roof pitch of the primary dwelling unit AND the site is located within ½ mile walking distance from transit. Attached: height allowed in underlying zoning district.
Front yard: distance required by underlying zoning. Street, interior, rear: 4 feet. Distance between structures: 4 feet, including eaves.
JADUs: No parking required ADUs: One spot may be required (tandem allowed). No parking required if: Within ½ mile walking distance from public transit; In a historic district; Converted within existing or proposed primary residence or accessory structure; Submitted...
JADUs: Required. ADUs: Not required Short term rentals are not allowed
-at-a-Glance FAQs Floorplans Inspiration Glossary Guidebook + Exercises Pre-Designed Plans Process-at-a-Glance See the resources page Events About Contact Getting Started Learning the Rules Budgeting Design Permitting Construction Renting Getting Started Learning the...