Contra Costa County Property Search

Search free Contra Costa County CA property, land, and tax records through local government assessors, auditors, clerks, property appraisers, deeds recorders, treasurers, tax collectors, city halls, and town halls.


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

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


Contra Costa 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 Contra Costa County property taxes. The Contra Costa 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 Contra Costa County property value, owner information, inventories of parcels and structures, and parcel maps. The Office also provides property search databases for Contra Costa County, CA.

Contra Costa County Auditor Martinez CA 625 Court Street 94553 925-646-2181


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

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


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

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


Contra Costa 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 Contra Costa County property taxes, property value assessments, and land transactions, as well as property sales and transfers in Contra Costa County, California.

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


The Contra Costa County Treasurer and Tax Collector’s Office is responsible for the collection of Contra Costa County property tax revenue. The Treasurer and Tax Collector maintains current Contra Costa County property tax information including Contra Costa 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 Contra Costa County, California.

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