San Mateo County
Redwood City ADU rules
Redwood City 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 sf Max one bedroom or less: 850 square feet Max two or more bedrooms: 1000 square feet Max JADU: 500 square feet ADA Compliant ADU: 1,200 sq ft” – ADA compliant meeting 11A building code *Not more than 50% of main home floor area, unless under 800 square feet...
Height
Attached: same as underlying zoning unless encroaching setbacks Detached: 24 feet (top of plate – 20 feet, roof slope: 4 feet)
Setbacks
Rear and side: 4 feet. Front: 15 feet. Distance between buildings: 6 feet
Parking
No parking required but, if provided, can be tandem and/or in driveway
Owner occupancy
ADU: None. JADU: Owner must live in the main dwelling or the ADU
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...