Sonoma County Property Assessor

Search for Sonoma County CA property assessment information. Property Assessments include property tax assessments, property valuations, property tax liens, defaults on property taxes, and property assessment appeals.


Sonoma County Assessors determine the value of properties and parcels so that the jurisdiction can levy California property taxes. The Assessor's Office maintains current data on every parcel in the district, including records on Sonoma County property tax assessments, maps of property lines, and inventories of parcels and structures, as well as the value of all the property in the jurisdiction. Sonoma County Tax Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. Sonoma County Assessment Offices provide online access to their property assessment records.

Sonoma County Assessor's Office Santa Rosa CA 585 Fiscal Drive 95403 707-565-1888


Sonoma County Clerks file documents and preserve a range of municipal records in order to maintain an archive for their California municipality. These Sonoma County tax assessment records are open to the public. The Clerk's Office has a number of records on property assessments, including real estate excise taxes, tax liens on properties, and the Sonoma County property tax assessment formulas. They also keep records on property transactions, deeds, and titles. Sonoma County Clerks provide online access to their public property tax records, including documents related to property assessments.

Petaluma City Clerk Petaluma CA 11 English Street 94952 707-778-4360

Rohnert Park City Clerk Rohnert Park CA 130 Avram Avenue 94928 707-588-2227

Santa Rosa City Clerk Santa Rosa CA 100 Santa Rosa Avenue 95404 707-543-3016

Santa Rosa County Clerk Santa Rosa CA 3200 County Center Drive 95403 707-565-3700

Sonoma County Clerk Santa Rosa CA 2300 County Center Drive 95403 707-565-3800

Windsor Town Clerk Windsor CA 9291 Old Redwood Highway 95492 707-838-5311


Sonoma County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the California public. The Office of the Recorder of Deeds maintains records on Sonoma County property tax assessments, including property and parcel surveys, property tax liens, and property valuations. They also record land transactions within the jurisdiction, including deeds, mortgages, and easements. The Sonoma County Recorder provides online databases for public records access of property assessments.

Sonoma County Recorder's Office Santa Rosa CA 585 Fiscal Drive 95403 707-565-2651


Sonoma County Town Halls and City Halls are the chief administrative office that runs a town or city in California. The Town or City Hall maintains records related to the locality, including property assessment records. These Sonoma County public assessment records include property value assessments, records of paid and unpaid property taxes, and property tax liens. Town and City Halls also maintain records on land transactions, property sales and transfers, and municipal and zoning boundaries. Property assessment records are available as public records, and many Town and City Halls provide online access to these files.

Cloverdale City Hall Cloverdale CA 124 North Cloverdale Boulevard 95425 707-894-2521

Cotati City Hall Cotati CA 201 West Sierra Avenue 94931 707-792-4600

Healdsburg City Hall Healdsburg CA 401 Grove Street 95448 707-431-3300

Petaluma City Hall Petaluma CA 11 English Street 94952 707-778-4362

Rohnert Park City Hall Rohnert Park CA 130 Avram Avenue 94928 707-588-2200

Santa Rosa City Hall Santa Rosa CA 100 Santa Rosa Avenue 95404 707-543-3010

Sebastopol City Hall Sebastopol CA 7120 Bodega Avenue 95472 707-823-7865

Sonoma City Hall Sonoma CA 1 The Plaza 95476 707-938-3681


Sonoma County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in California. The Office of the Treasurer and Tax Collector maintains current data on every Sonoma County parcel , as well as a number of other property tax assessment records. These records include property assessments, defaults on property taxes, lists of sold parcels, and property valuations. The Treasurer and Tax Collector may also maintain information on Sonoma County property auctions and a property's prior liens or foreclosures. Sonoma County Treasurers and Tax Collectors provide online databases to access property assessment records.

Sonoma County Treasurer-Tax Collector's Office Santa Rosa CA 585 Fiscal Drive 95403 707-565-2281