Permit & Resource Management Department
Accessory Dwelling Units (ADUs) and Junior Accessory Dwelling Units (JADUs) are an inexpensive way to create smaller, more affordable rental housing units.
Try this new online tool to help estimate the costs, returns, and benefits associated with building an ADU.
Accessory Units & Junior UnitsFind out more about Permit Sonoma's ADU and JADU regulations
Permit Sonoma is introducing several initiatives to help meet the County's housing production goals.
The Community Development Commission (CDC) is dedicated to promoting decent and affordable housing, revitalizing communities, and supporting public services.
CDC Affordable Housing Information
Recovery-focused information on the County's efforts to build and rebuild housing