Johnson Auto Plaza is proud to serve the following, and other surrounding areas: Colorado, Brighton, Adams county, Henderson, Denver, Eastlake, Dupont, Commerce City, Weld county, Dacono, Fort Lupton, Denver county, Westminster, Frederick, Erie, Boulder county, Broomfield, Broomfield county, Firestone, Aurora, Arapahoe county, Lafayette, Hudson, Arvada, Jefferson county, Watkins, Longmont, Louisville, Wheat Ridge, Platteville, Boulder, Niwot, Keenesburg, Englewood, Mead, Eldorado Springs