Douglas County History

Research Center

We collect and preserve the history of Douglas County, the High Plains, the Divide area of the Front Range, and the state of Colorado. Call or stop by to access our reference services and programs, or to donate your own pieces of Douglas County history. Visit us at

100 S. Wilcox Street, Castle RockCO 80104

Inside our Castle Rock location and at

Mon-Fri: 9AM-5PM
By Appointment After Hours