Bay-influenced Mediterranean climate; western cities (Richmond, Walnut Creek) mild, eastern delta cities (Antioch, Brentwood) significantly hotter and drier We provide licensed residential, commercial, and emergency plumbing services throughout Contra Costa County, including 19 incorporated cities and 34 unincorporated communities.
Call (800) 555-0142Moderately hard, Contra Costa Water District sources from the Sacramento-San Joaquin Delta
Mix of 1940s-1960s homes in Richmond/Concord and newer 1990s-2000s development in eastern county