One Contra Costa is a county wide coalition that has come together to push for quality affordable health care for everyone in Contra Costa County regardless of their immigration status. One Contra Costa has been the biggest proponent countywide for the Contra Costa CARES program, a health care program that serves 4,100 low income undocumented adults in the county. One Contra Costa is comprised of Brighter Beginnings, Community Clinic Consortium, Ensuring Opportunity, Familias Unidas, Health Access, Healthy Richmond, Multi-Faith ACTION Team, Organizing for Action, Contra Costa Planned Parenthood NorCal, The California Endowment, United Way Bay Area