Official starting points for sheriff, superior court, clerk-recorder, assessor, tax, elections, crime statistics, and vital records in Contra Costa County, California.
Contra Costa County is a California county with records governed by the California Public Records Act (CPRA).
Major industries: refining and energy (Chevron Richmond), biotech, healthcare, finance, and East Bay commuter economy
The Chevron Richmond Refinery — one of the largest on the West Coast — generates extensive public environmental, incident, and permit records. Cal/EPA and BAAQMD records are accessible under CPRA, and Chevron's incident reports are posted at rma.contracostaclerk.org.
Contra Costa County is served by BART (Bay Area Rapid Transit) with multiple stations. BART public records including ridership data, contracts, and police reports are available through BART's CPRA portal at bart.gov.
Contra Costa Superior Court operates full-service courthouses in Martinez, Richmond (Wakefield Taylor), and Pittsburg (Pittsburg). All case records from all three locations are searchable through the unified portal at cc.courts.ca.gov.
The Contra Costa County Assessor maintains one of the most comprehensive online property databases in the Bay Area. Parcel data, ownership history, and assessed values are searchable at assessor.cccounty.us — free and instant.
Contra Costa County must respond to CPRA requests within 10 calendar days. Submit requests online at contracosta.ca.gov/2085 or to individual departments. The county publishes a public records request guide at its website.
Contra Costa County saw a significant drop in property crime in 2024 following coordinated anti-smash-and-grab enforcement. Violent crime showed a modest decline compared to 2023.
Crime source: California DOJ crime statistics.