Skip to content

Inside Longmont

Events
Eat & Drink
Things to Do
Directory
Guides
Moving Here

Family

Holiday Open House at Callahan House

Callahan House, decorated for the season, open for self-guided tours with historical handouts. Free; no registration.

When: Thursday, December 3 4:30 pm – 7:30 pm
Where: Callahan House 312 Terry St, Longmont, CO, 80501
Cost: Free

Organizer’s page →

Add to calendar Apple, Outlook (.ics) · Google

Checked October 4, 2026 against longmontcolorado.gov. Times can change; the organizer’s page is the record. Report a correction

Inside Longmont

An independent guide to Longmont, Colorado: Main Street, the St. Vrain Greenway, McIntosh Lake, the breweries, and what it’s like to live in a city of nearly 100,000 between Boulder and the interstate.

Get in touch

Contact
Submit an event
For businesses
Weekly email
Partner with us
About
Editorial policy
Photo credits
Privacy

Independent

Inside Longmont is an independent community guide, not a government website. For official information see the City of Longmont.

© 2026 Inside Longmont

Part of Inside the Towns, an independent network of guides to 11 Front Range towns.