Santa Rosa ADU Ordinance
Check out our ADU Glossary to better understand any unfamiliar terms.
Check out our ADU Glossary to better understand any unfamiliar terms.
STANDARDS Min / Max ADU size Minimum: None Attached: Not to exceed 50 percent of the existing living area. Internal Conversion: Not to exceed 45 percent of the existing habitable space of the residence, excluding the garage, nor shall it exceed 1,200 square feet. Detached: Maximum of 1,200 square feet.