Cowell is a former unincorporated community now annexed to Concord in Contra Costa County, California.

[2] A post office operated at Cowell from 1922 to 1969.

[2] Other than a former firehouse, nothing remains of the former town, which was replaced by the Walnut Country subdivision, more commonly known as "The Crossings," during the 1970s.

A looming, dormant 244-foot high smokestack remained as the most prominent reminder of Cowell until it was demolished in 2009.

This Contra Costa County, California–related article is a stub.