Contra Costa County Property Data

Search for Contra Costa County CA property data. A property data search can provide information on property tax assessments, property appraisals, property transfers, property sales, real estate titles, property deeds, current property owners, former property owners, property sale prices, property descriptions, property maps, property lines, property zones, unclaimed parcels, unpaid property taxes, tax liens, foreclosures, low-income housing, rental assistance programs, historic property records, and genealogical research.


The Contra Costa County Recorder of Deeds keeps property, land, and property tax records for their county or local government in Contra Costa County California. These records contain a wealth of property data, including property tax assessments, property appraisals, and records on property transfers and sales such as titles and deeds. The Recorder of Deeds also has information on current and former property owners, a property's sale price, and descriptions of the Contra Costa County property. They may also keep Contra Costa County property maps that show boundaries, public property, property zones, and unclaimed parcels. This Contra Costa County property data is often available to the public online through the Recorder of Deeds website.

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


The Contra Costa County Clerk's Office maintains public records for a county or local government, including a range of property records in Contra Costa County California. These property records include documents on Contra Costa County property taxes such as property appraisals, property tax assessments, unpaid property taxes, and tax liens or foreclosures. These records contain property data about the former and current owners, property sales or transfers, and the property's boundaries. Clerk Offices often also keep property maps that contain Contra Costa County property boundaries, property tax data, public property, and unclaimed parcels. These sources of Contra Costa County property data, which are important for owners and prospective buyers, are often available on the Clerk Office website.

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 Housing Authorities operate at the local level to create housing options for people who have low incomes in Contra Costa County California. They may provide low-income rental housing or rental assistance programs, as well as operating apartments and single-family homes. Housing Authorities maintain Contra Costa County property data on people who use their services, including income information, housing assistance, and any housing reports about the renters. They can also provide information on how to apply for low-income housing and using Contra Costa County Housing Authority services. Contra Costa County property records and information about housing may be available on the Housing Authority website.

Bay Point Housing Authority Bay Point CA 1015 Clearland Ext 94565 925-291-6137

Brentwood Housing Authority Brentwood CA 150 City Park Way 94513 925-516-5400

Contra Costa County Housing Authority Martinez CA 2870 Howe Road 94553 925-957-7000

Contra Costa County Housing Authority Antioch CA 801 West Eighth Street 94509 925-957-8050

Contra Costa County Housing Authority Pittsburg CA 875 El Pueblo Avenue 94565 925-432-3523

Contra Costa County Housing Authority Rodeo CA 2 California Street 94572 510-799-0400

Oakley Housing Authority Oakley CA 990 Rosemary Private Lane 94561 925-625-2245

Pittsburg Housing Authority Pittsburg CA 916 Cumberland Street 94565 925-252-4830

Richmond Housing Authority Richmond CA 960 Triangle Court 94801 510-237-8342


The Contra Costa County Assessor's Office determines the value of taxable property in a county or local community in Contra Costa County California. This property data is used to assess and collect property taxes. Assessor Offices maintain several forms of Contra Costa County property data, including property tax assessments, property appraisal values, and records on public property and unclaimed parcels. These Contra Costa County property records contain information on current and former owners, historic property tax rates, and changes to the appraisal process or property tax formulas. Contra Costa County Assessors may also keep property maps that show property boundaries, buildings, and zoning lines, and their records may include information on unpaid property taxes, tax liens, and foreclosures. Assessor Offices may provide online access to Contra Costa County property data.

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


The Contra Costa County Auditor's Office oversees government agencies, evaluating the performance of these agencies and their compliance with laws, rules, and regulations in Contra Costa County California. They also conduct investigations of corruption and fraudulent activities. Auditor Offices maintain a number of property records, including property data on Contra Costa County real estate taxes, violations of property tax rules, and any problems with property tax collection or the government's use of property tax records. Auditors may provide information on appealing tax appraisals or reporting errors in tax appraisal reports. Their office also produces reports on appraisers and assessors. These sources for Contra Costa County property data may be available on the Auditor Office website.

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


The Contra Costa County Archive maintains documents and materials with historic value, and they may operate as part of a library, as a private organization, or through a government agency in Contra Costa County California. Archives often keep a number of property records, including historic deeds and transfers, descriptions of properties, and information about historical property owners and buildings. Contra Costa County property titles and deeds can include information on prior owners, the date for all property sales or transfers, and in some cases, sale prices. These historical Contra Costa County property records can help when conducting genealogical research, and Archives may provide online access to their property data.

Martinez Divorce Records Archive Martinez CA 1111 Ward Street 94553 925-646-2967