Century 21 Golden West Realty Real Estate Century 21 Golden West Realty Visit Website 1299 Washington Ave. Unit 120 Golden, CO 80401 (303) 279-7979 (800)876-7999 (303) 279-7998 (fax) Hours: Monday through Friday 8:30 - 5:30 Saturday 9 - 5 Sunday 11 - 3 About Map About Golden's Oldest and Largest Real Estate Firm. Specializes in Residential, Commercial and Relocation. Seller and Buyer Agency.We are Large enough to serve you yet Small enough to know you! What's Nearby? Distance: 5 10 15 20 25 50 mi.