Bay Point, formerly West Pittsburg, is a suburb of the Bay Area and census-designated place located in northern Contra Costa County, California, just west of the city of Pittsburg and northeast over Willow Pass from Concord. It is the most populous and wealthiest CDP in Contra Costa County.
The Pittsburg-Bay Point terminal of the Bay Area Rapid Transit (BART) rail system is located here. The community is traversed by a freeway, State Route 4, the California Delta Highway.
Being unincorporated, Bay Point does not have its own police department. The community is policed by the California Highway Patrol and the Contra Costa County Sheriff's Office.