Contra Costa Water District 1331 Concord Ave, Concord, CA94520 Contra Costa Water District is located on Concord Avenue, near Bisso Lane. The facility is well-maintained and has a…More friendly staff to assist customers. The Contra Costa Water District provides water to Concord, Martinez, Pleasant Hill, Clyde, Pittsburg, Clayton, Walnut Creek and Antioch.
Contra Costa Properties 950 Detroit Ave, Concord, CA94518 Contra Costa Properties is located on Detroit Ave in Concord. At Contra Costa Properties they manage commercial, retail…More real estate and residential investment properties for investors. They manage these properties in Contra Costa County, including Concord, Walnut Creek, Martinez, Pittsburg and Antioch. If you have property that needs looking after, call Contra Costa Properties.