Company Background

Founded in 1974 by Russell Dunn Sr., Colorado Garage Door Service, Inc. was Denver's first "garage door service" company. Russ's vision was for a company that helped people solve their garage door repair needs with timely and affordable solutions. Russ's son, John, keeps that vision alive today.

Colorado Garage Door Service is proud to carry our founder's vision into the 21st century, evolving to not only repair doors, but to become retrofit experts for residential and commercial customers alike.

Denver's Oldest & Most Trusted Garage Door Company

Our sales team is comprised of former technicians and installation experts that have over 90 years of combined experience in the door industry. We employ highly trained and certified technicians and installers that know how to get the job done perfectly every time.

Since 1974 we have Sold the Best and Serviced the Rest