PetalumaThere is a lot to know about Petaluma. We have an important history, excellent public amenities, a robust business community, a strong focus on sustainability and climate action, and a diverse housing program. The City's vision is articulated in many documents and plans and is overseen by many community members in their roles as City Council members and Committee & Commission members.
Petaluma 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