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Find out how to search the assessment roll, change your mailing address, apply for exemptions and exclusions, and get disaster relief for your property taxes. The Assessor's office is currently experiencing significant processing delays due to various factors.
- Search Parcel Information
Search Assessor's Parcel Information Provided by the...
- Assessor Maps
You can view the current Assessor Parcel Maps via the online...
- My Property
Pay Property Taxes. View Road Closures and Delays. Board...
- Search Parcel Information
Find parcel information, value notices, maps and recent sales for taxable real estate in Sonoma County. Use different search options provided by the Assessor's Office, ParcelQuest and ActiveMap.
You can view the current Assessor Parcel Maps via the online Assessor Portal. For historical assessors maps, please contact the Mapping Division at 707-565-1888 or assessor@sonoma-county.org. Find the property by searching by Fee Parcel (APN), Assessment Number or Street Address; Click on the property you are interested in viewing; Select View Maps
The Appraisal Support Unit monitors, records and processes property values, building permit activity, property descriptions, and assessment appeal applications. They help property owners with these subjects, as well as supplemental assessments and roll corrections.
Pay Property Taxes. View Road Closures and Delays. Board Meetings, Agendas and Minutes. View All County News. View All County Press Releases. View All County Events. County Department Directory. Subscribe to SoCo Correspondent email newsletter. ©2023 County of Sonoma.
Property data are maintained in the Sonoma County Property Tax System. Property characteristics and other data associated with the “property roll” are linked to parcel shapes in the County’s geographic information system (GIS) using Assessor Parcel Number (APN) as the key field.
Discover, analyze and download data from Sonoma County GIS. Download in CSV, KML, Zip, GeoJSON, GeoTIFF or PNG. Find API links for GeoServices, WMS, and WFS. Analyze with charts and thematic maps. Take the next step and create storymaps and webmaps.