Santa RosaSanta Rosa was incorporated as a City by the State Legislature on March 16, 1868. Although City Government has played a key role in the City of Santa Rosa’s development, the true wealth of this City resides with the creative and entrepreneurial spirit of its pioneering citizens.
Santa Rosa 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