Contra Costa County, California Public Records
Here you will find a wide variety of free Contra Costa County public records sources. Most resources will provide information or searches for free and charge a small fee for processing requests or obtaining official records. You can choose a different county from the California Counties page.

Contra Costa County Census
General county data such as demographics, ethnicity, housing, income, labor force, employment, occupations, industries, government employees, businesses, and more.
Population in 2006: 948816
Land Area: 720 Square Miles
County Seat: Martinez

Tax Assessor
Tax assessments for real estate and applications for valuation freezes for seniors.
2530 Arnold Dr Ste 400
Martinez, CA 94553
Phone: (925) 313-7501
Fax: (925) 313-7488

Recorder - Probate Office
Plan for a marriage with an application form, arrangements of civil service ceremonies and processing fees.
555 Escobar St.
P.O. Box 350
Martinez, CA 94553
Phone: (925) 335-7900

Tax Collector
Research parcel data with their tax value. Apply to split parcels and reassess property tax values for each new parcel.
625 Court St. Finance Building Rm. 100
P.O. Box 631
Martinez, CA 94553
Phone: (925) 957-5280
Fax: (925) 957-2898

Chamber Of Commerce
The commerce group represents various businesses, investors, and thousands of workers in the regional workforce.
603 Marina Vista
Martinez, CA 94553
Phone: (925) 228-2345
Fax: (925) 228-2356

City Of Martinez
The county's center of operations for the clerk's office, tax office and court buildings.
525 Henrietta Street
Martinez, CA 94553
Phone: (925) 372-3500

County Elections
Find answers to common questions for first time voters and those not yet registered to vote.
524 Main St
Martinez, CA 94553
Phone: (925) 646-4166

Inmate And Prison Records
Arrange visitation appointments at the detention facility to communication with inmates.
1000 Ward St,
Martinez, CA 94553
Phone: (925) 646-4496

Contra Costa County
Official county resource site with a variety of information on the community, government officials, services, budget, utilities, and public safety
651 Pine St 11th Fl
Martinez, CA 94553
Phone: (925) 335-1080
Fax: (925) 335-1098

Sheriffs Office
The sheriff's department provides information on wanted suspects and sexual offenders as well as work release inmates.
651 Pine Street
Martinez, CA 94553
Phone: (925) 335-1500

Transportation Department
Buy a buss pass, metro card, or multi-pass for all of the public transportation systems.
255 Glacier Drive
Martinez, CA 94553
Phone: (925) 313-2000
Fax: (925) 313-2333

California Public Records
Public records resources for the state of California.