Sonoma County Property Search (California)

The Sonoma County Assessor is responsible for determining the value of property in order to determine Sonoma County property taxes. The Sonoma County Assessment Office collect data from on-site inspections, value assessments for construction or improvements, comparable sales, and calculations of depreciation. The Sonoma County Tax Assessor maintains current data on every parcel in the Sonoma County, which includes ownership information, maps of property lines, inventories of parcels and structures, and the value of all the property in the Sonoma County, CA. The Sonoma County Assessor’s Office can answer questions regarding Sonoma County property tax appeals and assessments, Sonoma County property tax rates and payment due dates.

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


Sonoma County Auditors are responsible for maintaining accurate financial records on properties, including the appraisal and assessment of a property's value, which is used to determine Sonoma County property taxes. The Sonoma County Auditor’s Office collects data from on-site inspections, information submitted by owners, prior sales, and statistical analyses. The Auditor maintains current data on Sonoma County property value, owner information, inventories of parcels and structures, and parcel maps. The Office also provides property search databases for Sonoma County, CA.

Sonoma County Auditor Santa Rosa CA 585 Fiscal Drive, Rm 100F 95403 707-565-2817


The Sonoma County Clerk files important documents and preserves municipal records in order to maintain an archive of Sonoma County property records that can be accessed by the public. The Clerk's Office is a valuable source of information on property in Sonoma County, California. The Sonoma County Clerk's Office contains documentation on real estate excise taxes, registered land, and property transactions, as well as land documents including Sonoma County deeds, mortgages, and liens on properties.

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, Ste 400 95492 707-838-5311

The Sonoma County Recorders of Deeds maintain public records, particularly documents related to property and land records, and make them available for public access in Sonoma County, CA. The Office of Recorder of Deeds in Sonoma County is a valuable source of information on property records The Recorder of Deeds maintains documents on land transactions within its jurisdictions, including Sonoma County deeds and titles, mortgages, property ownership records, surveys, and easements, as well as tax liens.

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


Sonoma County Town Halls and City Hall are the chief administrative offices that runs the town or city. The Town Hall or City Hall often maintains records related to the locality, including Sonoma County property taxes, property value assessments, and land transactions, as well as property sales and transfers in Sonoma County, California.

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, Ste 8 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


The Sonoma County Treasurer and Tax Collector’s Office is responsible for the collection of Sonoma County property tax revenue. The Treasurer and Tax Collector maintains current Sonoma County property tax information including Sonoma County property ownership information, GIS Maps, tax maps, historical property tax rates, lists of sold parcels, and is also charged with the sale of properties due to a default on taxes in Sonoma County, California.

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