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Research Resources

The Longmont Archives is your best place to come for Longmont history, the Chicago-Colorado Colony, research on an old Longmont house, information about an old building in downtown Longmont, or any other topic about the past in Longmont. The Archives contains historic photographs, letters, diaries, maps, business records, school records, and more, and friendly staff who can help you with your research.

Museum Archives
Location:
2nd floor of the Longmont Museum & Cultural Center, 400 Quail Road.

Regular hours: By appointment Monday - Friday. Call 303-651-8969.

The Longmont Museum’s archives contain over 12,000 historic photographs of Longmont and the St. Vrain Valley. Search our online photos for a growing selection of digitized images, or come to the archives to see the full collection.

Online Longmont Research Resources
Short history of Longmont
Timeline of Longmont history
Historic photos online
Longmont Historic Landmarks
Historic Architectural Survey
Longmont Public Library

Longmont Museum collections on the Rocky Mountain Online Archive

 

For more information and to schedule an appointment, contact Erik Mason at the Longmont Museum, 303 651-8969, erik.mason@ci.longmont.co.us

 

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