South San Francisco ADU topic page
South San Francisco ADU Rules
Start with the official local ADU rules, then confirm lot-specific limits before requesting provider quotes.
Short answer
Start with the official local ADU rules, then confirm lot-specific limits before requesting provider quotes.
Source requirement: Official city or county rule source parsed and cited.
Local rule evidence
Size
Min: 150 square feet Max: 1,000 square feet
Setbacks and parking
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...