RedwoodRedwood City, California – The City of Redwood City is a San Francisco Bay Area community located in the heart of Silicon Valley, the technology-rich region extending from the San Francisco Peninsula to the foothills of the Santa Cruz Mountains. Redwood City is the third largest city in the County of San Mateo, with 85,992 residents. The city enjoys an average of 255 sunny days a year, which it boasts via the city slogan: "Climate Best by Government Test". Incorporated in 1867, Redwood City is home to the San Mateo County History Museum (located in the county's old courthouse) and the only active deep water port within the south bay of San Francisco.
Redwood ADU Permits and Regulations Resources
Max ADU Size
Lot under 9,000 sqft: 600 sqft Lot between 9,000 and 1000 sqft: 650 sqft Lot over 10,000 sqft: 800 sqft
45’ Note: Front setbacks vary by zoning, please talk to a home specialist to confirm
Primary Residence Setback
Side and Rear Setback
Both are 4 feet.