San Mateo County
South San Francisco ADU rules
South San Francisco has an official local rule record in this scrape. Provider research is grouped at the San Mateo County level.
Local rule facts
Min/max ADU size
Min: 150 square feet Max: 1,000 square feet
Height
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.
Setbacks
Front yard: distance required by underlying zoning. Street, interior, rear: 4 feet. Distance between structures: 4 feet, including eaves.
Parking
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...
Owner occupancy
JADUs: Required. ADUs: Not required Short term rentals are not allowed
Process
-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...