Doorways brings it all to Denver’s first high-rise in 30 years

Two-and-a-half years in the making, 1144 Fifteenth is now open and becomes an unmistakable addition to the Mile High City’s skyline. At over 600 feet and 40 stories tall, the new building is the fourth tallest in the city and a project that Doorways is very proud of. The building will house corporate headquarters for