Callahan House Special Events - City of Longmont Skip to main content

Upcoming Events

Spring and Summer Open Houses

Spring: Thursday, April 24, 2025, from 5:00pm – 7:00pm
Summer: Thursday, July 24, 2025, from 5:00pm – 7:00pm

Free and open to the public. No registration required. 

Learn about local history at one of Longmont’s most treasured historic sites. Self-tour through Callahan House with handouts and historical information provided.

 

At the Spring Open House:

Learn how you can make an impact! Callahan House is unveiling a new program with opportunity for individuals and organizations to take a special role in supporting preservation and restoration of this historic gem in the heart of Longmont.

 

 

ArtWalk Open House

Saturday, September 13, 2025, from 4:00pm – 8:00pm

Free and open to the public. No registration required. 

Join us for our annual ArtWalk Open House in conjunction with FireHouse Arts Center’s ArtWalk on Main. Local artists will be selling their work in the house and gardens. Self-tour through Callahan House with handouts and historical information provided.