There are 447 Plumbing Services in Sonoma County, California, serving a population of 500,943 people in an area of 1,576 square miles. There is 1 Plumbing Service per 1,120 people, and 1 Plumbing Service per 3 square miles.
In California, Sonoma County is ranked 16th of 58 counties in Plumbing Services per capita, and 16th of 58 counties in Plumbing Services per square mile.