Contra Costa County has 38 licensed addiction treatment programs across 12 cities and towns. Cities with their own page are linked; smaller towns are listed on the nearest city page.
Cities in Contra Costa County
- Antioch (8)
- Concord (7)
- Richmond (5)
- Martinez (3)
- Pittsburg (3)
- San Ramon (3)
- Walnut Creek (3)
- San Pablo (2)
- Brentwood (1)
- Clayton (1)
- Oakley (1)
- Orinda (1)
Medi-Cal in this county
Medi-Cal treatment in Contra Costa County is arranged through the county behavioral health department’s access line, which can screen you by phone and refer you to a contracted program. Programs on this site that report accepting Medi-Cal are marked on each city page. How Medi-Cal treatment works in California.