Contra Costa County People Search (California)

Contra Costa County Clerk Offices maintain important documents for their jurisdiction, usually at the county or local level. These records include a number of important sources for locating people and gaining information about a subject in Contra Costa County, California. Vital records, for example, provide information on a person's birth, marriage, divorce, and death, as well as any children. Clerks may also keep records on taxes, property assessments, estates and wills, and even voter registration and election results. When performing Contra Costa County people searches, a Clerk Office website is an important resource.

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, # 1033 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


Contra Costa County Historical Societies preserve documents that have historic value. They may be organized around a certain area, a particular group of people, or a particular historical event. Historical Societies may keep a range of documents on individuals, including Contra Costa County vital records, letters, photographs, and other historical documents in Contra Costa County, California. These records can be an important part of a people search, particularly when performing genealogical research. Historical Societies may provide online access to some of their records.

Antioch Historical Society Antioch CA 1500 West 4th Street 94509 925-757-1326

Clayton California Historical Society Clayton CA 6101 Main Street 94517 925-672-0240

Concord California Historical Society Concord CA 1601 Sutter Street, f 94520 925-827-3380

Contra Costa County Historical Society Martinez CA 610 Main Street 94553 925-229-1042

East Contra Costa Historical Society Brentwood CA Sellers Avenue 94513 925-634-8651

Lafayette Historical Society Lafayette CA 3491 Mount Diablo Boulevard 94549 925-283-1848

Martinez Historical Society Martinez CA 1005 Escobar Street 94553 925-228-8160

Orinda Historical Society Orinda CA 24 Orinda Way 94563 925-254-1353

Contra Costa County Police Departments are law enforcement agencies charged with maintaining order in society. They also keep several records on individuals who have interacted with the police, including criminal records such as arrests, warrants, convictions, and incarcerations in Contra Costa County, California. These records provide information that can be important when performing Contra Costa County people searches, particularly as part of a criminal background check. Police Department records list someone's criminal history, and they can also be used to locate a person who has moved frequently. Contra Costa County Police Departments may provide online access to their records.

Antioch Police Department Antioch CA 300 L Street 94509 925-779-6900

Bart Police Department - Concord Station Concord CA 1541 Oakland Avenue 94519 510-464-7000

Bart Police Department - Pittsburg/Bay Point Station Pittsburg CA 1700 West Leland Road 94565 510-464-7000

Bart Police Department - Walnut Creek Station Walnut Creek CA 200 Ygnacio Valley Road 94596 510-464-7000

Bart Police Department El Cerrito Del Norte Station El Cerrito CA 6400 Cutting Boulevard 94530 510-464-7080

Brentwood Police Department Brentwood CA 9100 Brentwood Boulevard 94513 925-634-6911

California Highway Patrol - Contra Costa Martinez CA 5001 Blum Road 94553 925-646-4980

Clayton Police Department Clayton CA 6000 Heritage Trail 94517 925-673-7350

Concord Police Department Concord CA 1350 Galindo Street 94520 925-671-3220

Contra Costa Community College District Police Martinez CA 500 Court Street 94553

Contra Costa Community College District Police - Contra Costa College Campus Substation San Pablo CA 2600 Mission Bell Drive 94806 510-236-2820

Contra Costa Community College District Police - Diablo Valley College Campus Substation Pleasant Hill CA 321 Golf Club Road 94523 925-685-1230

Contra Costa Community College District Police - Los Medanos College Campus Substation Pittsburg CA 2700 East Leland Road 94565 925-439-2181

Danville Police Department Danville CA 510 La Gonda Way 94526 925-314-3700

El Cerrito Police Department El Cerrito CA 10900 San Pablo Avenue 94530 510-215-4400

Hercules Police Department Hercules CA 111 Civic Drive 94547 510-799-8260

Kensington Police Protection And Community Services District Kensington CA 217 Arlington Avenue 94707 510-526-4141

Lafayette Police Department Lafayette CA 3675 Mount Diablo Boulevard, 130 94549 925-283-3680

Marsh Creek Detention Facility Clayton CA 12000 Marsh Creek Road 94517 925-646-5700

Martinez Detention Facility Martinez CA 1000 Ward Street 94553 925-646-4495

Martinez Police Department Martinez CA 525 Henrietta Street 94553 925-372-3440

Moraga Police Department Moraga CA 350 Rheem Boulevard 94556 925-284-5010

Moraga Police Department Moraga CA 329 Rheem Boulevard 94556 925-376-2515

Oakley Police Department Oakley CA 3231 Main Street 94561 925-625-8855

Orinda Police Department Orinda CA 22 Orinda Way 94563 925-254-6820


Contra Costa County Social Security Offices are local branches of the federal Social Security Administration. These offices issue Social Security cards, estimate retirement benefit payments, help people in Contra Costa County determine their eligibility for benefits, and process applications for retirement benefits and SSI benefits in Contra Costa County, California. These records contain important information for conducting a people search, including details on an individual's work history, their government benefits, and survivor benefits. Social Security Offices may provide online access to some of their records.

Antioch Social Security Office Antioch CA 2615 Crow Court 94509


Contra Costa County Courts act to resolve legal disputes as part of their judicial function. They also maintain a number of records on individuals, including criminal records such as any arrests, trials, convictions, and court sentences. These can range from serious criminal felonies to traffic court violations in Contra Costa County, California. Court records provide a range of information that can be important for performing Contra Costa County people searches, such as civil cases like divorce and adoption, as well as a person's criminal history, which can be important for a background check. Courts operate at the federal, state, and local level, and they may provide access to their records online.

Concord Superior Court Concord CA 2970 Willow Pass Road 94519 925-646-5404

Martinez Juvenile Court Martinez CA 202 Glacier Drive 94553 925-957-2700

Martinez Superior Court Martinez CA 725 Court Street 94553

Martinez Traffic Court Martinez CA 1020 Ward Street 94553


Contra Costa County Assessors determine the value of taxable property within their jurisdiction, often at the county or local level, in order to assess property taxes owed by the property's owners in Contra Costa County, California. As part of this responsibility, the Assessor Office maintains a range of documents on individuals, such as records of the Contra Costa County property they own, the property taxes they owe, and any history of foreclosures, tax liens, or violations. These records can be useful for understanding a person's property ownership history, and they can typically be accessed on the Assessor Office website.

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


Contra Costa County Marriage License Offices issue marriage certificates and maintain records on marriage for a county or local government. These documents include information on the couple's marriage, such as names, dates of birth, names of parents, and the date and location of the wedding. Contra Costa County marriage records can be an important part of a people search, particularly when searching for people who may have changed their names, and they are also useful for genealogical research in Contra Costa County, California. Marriage License Offices may provide online access to their marriage licenses as well as marriage license applications.

Contra Costa County Marriage License Martinez CA 555 Escobar Street 94553 925-335-7900


Contra Costa County Sheriff Departments are law enforcement agencies responsible for maintaining order, typically for a county or local jurisdiction. They also keep multiple records on individuals who have a criminal history, including arrest records, warrants, criminal and civil convictions, and incarcerations in Contra Costa County, California. These records provide important information for a people search, particularly when performing a criminal background check. The records at the Sheriff Department list someone's criminal history, and they can also be used to locate someone who moves frequently. Sheriff Departments may provide online access to their records.

Contra Costa County Sheriff's Office Martinez CA 651 Pine Street 94553 925-313-1180

Contra Costa County Sheriffs Office - Field Operations Martinez CA 1980 Muir Road 94553 925-313-2500


Contra Costa County Archives preserve documents that are historically significant. These records can include a number of documents that can be useful when performing a people search, including Contra Costa County birth certificates, death certificates, financial records, photographs, historical maps, and sometimes even letters or other personal documents in Contra Costa County, California. These records can be useful when performing Contra Costa County people searches as part of genealogical research, as some Archives keep documents that date back to before the founding of the United States. Archives may provide online access to their records.

Martinez Divorce Records Archive Martinez CA 1111 Ward Street, 100 94553 925-646-2967