Contra Costa County Property Assessor

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


Contra Costa County Assessor Office

Assessors determine the value of properties and parcels so that the jurisdiction can levy property taxes. The Assessor's Office maintains current data on every parcel in the district, including records on 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. Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. Many Assessor's Offices provide online access to their property assessment records.

Contra Costa County Assessor's Office Martinez CA 2530 Arnold Drive 94553 925-313-7500


Contra Costa County Clerk Office

Clerks file documents and preserve a range of municipal records in order to maintain an archive for their municipality. These documents, including property 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 jurisdiction's property tax assessment formulas. They also keep records on property transactions, deeds, and titles. Many Clerk's Offices provide online access to their records, including documents related to property assessment.

Antioch City Clerk Antioch CA 200 H Street 94509 925-779-7007

Brentwood Clerk Brentwood CA 708 3rd Street 94513 925-516-5440

Contra Costa Clerk Richmond CA 100 South 37th Street 94804 510-374-3241

Contra Costa County Clerk Martinez CA 555 Escobar Street 94553 925-335-7800

Hercules City Clerk Hercules CA 111 Civic Drive 94547 510-799-8215

Oakley City Clerk Oakley CA 3231 Main Street 94561 925-625-7000

Pinole City Clerk Pinole CA 2131 Pear St 94564 510-724-8928

Pleasant Hill City Clerk Pleasant Hill CA 100 Gregory Lane 94523 925-671-5237

Richmond City Clerk Richmond CA 450 Civic Center Plaza 94804 510-620-6513

San Pablo City Clerk San Pablo CA 1 Alvarado Street 94806 510-215-3005


Contra Costa County Recorder Of Deeds

Recorders of Deeds collect public records, primarily documents related to property, and make them available to the public. The Office of the Recorder of Deeds maintains records on 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. Many Recorders of Deeds provide online databases for the public to access property assessment records.

The County Clerk Recorder’s Office Martinez CA 555 Escobar Street 94553 925-335-7900


Contra Costa County Town & City Hall

Town Halls and City Halls are the chief administrative office that runs a town or city. The Town or City Hall maintains records related to the locality, including property assessment records. These 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 open to the public, and many Town and City Halls provide online access to these records.

Antioch City Hall Antioch CA 200 H Street 94509 925-779-7011

Clayton City Hall Clayton CA 6000 Heritage Trail 94517 925-673-7300

Concord City Hall Concord CA 1950 Parkside Drive 94519 925-671-3425

El Cerrito City Hall El Cerrito CA 10890 San Pablo Ave 94530 510-215-4300

Hercules City Hall Hercules CA 111 Civic Drive 94547 510-799-8200

Lafayette City Hall Lafayette CA 3675 Mount Diablo Boulevard 94549 925-284-1968

Martinez City Hall Martinez CA 525 Henrietta St 94553 925-372-3500

Oakley City Hall Oakley CA 3231 Main Street 94561 925-625-7017

Orinda City Hall Orinda CA 22 Orinda Way 94563 925-253-4220

Pinole City Hall Pinole CA 2131 Pear Street 94564 510-724-8928

Pleasant Hill City Hall Pleasant Hill CA 100 Gregory Ln 94523 925-671-5270

Richmond City Hall Richmond CA 450 Civic Center Plaza 94804 510-620-6513

San Pablo City Hall San Pablo CA 13831 San Pablo Avenue 94806 510-215-3000

Walnut Creek City Hall Walnut Creek CA 1666 North Main Street 94596 925-943-5800


Contra Costa County Treasurer & Tax Collector Office

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

Concord City Treasurer Concord CA 1950 Parkside Drive 94519 925-671-3183

Contra Costa County Treasurer-Tax Collector's Office Martinez CA 625 Court Street 94553 925-957-5280

Pinole City Treasurer Pinole CA 2131 Pear Street 94564 510-724-9009