Zoning Database (OZD)
The Sonoma County Permit and Resource Management Department (PRMD) maintains an Official Zoning Database (OZD) in digital form. The OZD was adopted by the Board of Supervisors on June 12, 2007 and became official on July 12, 2007. This zoning database was created using Geographic Information Systems (GIS) mapping software and replaces all hard-copy zoning maps that were formally located in the self-help lobby at PRMD.
The reports provided below are generated from the OZD and contain zoning sorted by Sonoma County Assessor’s Parcel Number (APN). These reports are updated as needed at the end of each month, so you should contact the PRMD Planning Information Phone to verify current zoning before making decisions.
Within these reports, both “Base Zoning” and “Combining District” (aka overlay) are listed. When indicated, a Combining District may be Biotic Habitat (BH), Scenic Resources (SR), Flood Zones (F1 or F2), etc. Combining Districts are site specific and most likely do not follow APN boundaries. It cannot be determined where on the APN the Combining District is located from these reports. For information on Combining District boundaries, please contact the PRMD Planning Information Phone.
A complete description of Zoning and Combining Districts can be found in the current zoning code regulations area of this site.
You can locate the zoning for a specific property by using the Assessor's Parcel Number (APN).
How to find zoning by APN:
The Assessors Parcel Map Book Numbers are broken down into report segments containing a range of parcel numbers. In the list below, the range for each report segment contains only the parcel number's first three digits. For example, the first item is listed as "003-029" which denotes a range of all parcel numbers containing 003-000-000 through and including 029-999-999. Click on the appropriate Assessors Parcel Map Book Number range to open the report. While viewing the report, perform a text search for the desired APN, including hyphens.
*Note: Due to adopted rezone ordinances, the Complete List of all Parcels being a comprehensive
Some of these documents are saved in Portable Document Format (PDF). We recommend you download Adobe® Reader®, a free software that allows you view and print PDF files.
For accessibility assistance with these documents, please contact the Sonoma County Permit and Resource Management Department (PRMD) at (707) 565-1900.
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