There are 720 Plumbing Services in Contra Costa County, California, serving a population of 1,123,678 people in an area of 723 square miles. There is 1 Plumbing Service per 1,560 people, and 1 Plumbing Service per 1 square miles.
In California, Contra Costa County is ranked 36th of 58 counties in Plumbing Services per capita, and 7th of 58 counties in Plumbing Services per square mile.