Find out important information about your parcel. Some examples of parcel information:
Jurisdiction (unincorporated Sonoma County or incorporated city). For properties in unincorporated Sonoma County: Zoning and Land Use, Groundwater Availability, Supervisorial District, Williamson Act Land Contract, etc.
Enter your Assessor Parcel Number (APN) or Street Address and select the Search button.
To find your Assessor Parcel Number look at the upper-left corner of your property tax bill or search for Property Tax Record Information.