According to our records, this business is located in Walnut Creek (in Contra Costa County), California 94596, the location GPS coordinates are: 37.9100783 (latitude), -122.0651819 (longitude). Contra Costa Referral Service is categorized under Social Service and Welfare Organizations (SIC code 8322). Current estimates show that the unit has a sales volume of $342,000 and staff of approximately 6 people. You can contact the company by phone at (925) 946-4500.