City of Golden Government Offices City of Golden Visit Website Request Info 911 10th St. Golden, CO 80401 (303) 384-8010 (303) 384-8001 (fax) Facebook Hours: City Hall is open weekdays from 8am to 5pm, excepting federal holidays. About Map About The City of Golden is a home rule municipality and the county seat of Jefferson County, Colorado. Offering scenic beauty, a vital economy, and plenty to see & do, Golden is a great place to call home! What's Nearby? Distance: 5 10 15 20 25 50 mi.