There are 3754 General Contractors in Sonoma County, California, serving a population of 500,943 people in an area of 1,576 square miles. There is 1 General Contractor per 133 people, and 1 General Contractor per square mile.
In California, Sonoma County is ranked 18th of 58 counties in General Contractors per capita, and 13th of 58 counties in General Contractors per square mile.