New Customer Service Hours for Accessory Dwelling Units
Published: January 31, 2019
Starting February 5, Permit Sonoma is offering dedicated staff and customer service hours in our Permit Center to help customers navigate the process of permitting an accessory dwelling unit. You can ask questions and get more information, and if you're ready to apply, staff will review and accept
your complete ADU application.
Schedule an appointment
Download a flyer with more information and an application checklist
Accessory dwelling units - more information
2550 Ventura Avenue
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Accessory Units & Junior Units
Accessory Dwelling Units (ADUs) and Junior Accessory Dwelling Units (JADUs) are an inexpensive way to create smaller, more affordable rental housing units that may provide revenue streams for you, while increasing the availability of rental housing in the county.
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Sonoma County Community Development Commission
The Community Development Commission (CDC) is dedicated to promoting decent and affordable housing, revitalizing communities, and supporting public services.
Community Development Commission
CDC Affordable Housing Information
Online Permitting Tools
Experienced users can go directly to the applicable online tools below. (New users: Learn more.)
Apply for Permits Online
Apply for certain residential Building permits online. (Registration/log in required.)
Permit History Lookup
Check a property's permit history.
Permit Status & Pay Fees
Check the current status of a Permit, Inspection, or Plan Check. (Search for your permit number.)
Search for a property's Zoning (by address or parcel number). Find out what the Zoning Codes mean.