Contra Costa County, California’s headquarters is in 800 Ferry St Martinez California 94553, United States

Contra Costa County, California’s phone number is (925)-335-8000

Contra Costa County, California’s official website is contracosta.ca.gov

Contra Costa County, California’s revenue is $100 - 999 M

Contra Costa County, California’s SIC code is 9441

Contra Costa County, California’s NAICS code is 923130

Contra Costa County, California is in the industry: Legal Services

Contra Costa County, California has 1,001-5,000 employees

Contra Costa County, California uses these technologies: jQuery, Google API, Google Analytics, PHP, Apache HTTP Server, NetDefend Firewall