San Mateo County
San Bruno has an official local rule record in this scrape. Provider research is grouped at the San Mateo County level.
Direct answer
San Brunohas 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 sf – size required by Health Code, section 17958.1 Max one bedroom or less: 850 square feet Max one bedroom or more (Lots less than 7,500 SF): 1,000 SF Max two+ bedrooms ( Lots greater than 7500 square feet): . 1,200 square feet Max JADU: 500 square feet *50% of main home floor area, unless under 800 square feet (state law allows an ADU up to 800 square feet on every property,...
single story: 18 feet, two-story/over garage complying with setbacks of underlying zone and aligning roof pitch to main house pursuant to SB-897 : 20 feet Rear and side: 4 feet
JADUs: No parking required ADUs: One spot may be required (tandem allowed). No parking required if: ½ mile walking distance from public transit, in a historic district, or one block from a car-share vehicle on-street parking permits are required but not offered to ADU occupant JADU: Required, ADU: not required for ADUs built recently (2020-2024)
-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 » San Bruno Local ADU Rules San Bruno Last...
Min: 150 sf – size required by Health Code, section 17958.1 Max one bedroom or less: 850 square feet Max one bedroom or more (Lots less than 7,500 SF): 1,000 SF Max two+ bedrooms ( Lots greater than 7500 square feet): . 1,200 square feet Max JADU: 500 square feet *50%...
single story: 18 feet, two-story/over garage complying with setbacks of underlying zone and aligning roof pitch to main house pursuant to SB-897 : 20 feet
Rear and side: 4 feet
JADUs: No parking required ADUs: One spot may be required (tandem allowed). No parking required if: ½ mile walking distance from public transit, in a historic district, or one block from a car-share vehicle on-street parking permits are required but not offered to ADU...
JADU: Required, ADU: not required for ADUs built recently (2020-2024)
-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...