Upcoming Events at Callahan House
City of Longmont, Callahan House & Garden
312 Terry St.
Longmont, CO 80501
ArtWalk Open House
Saturday, September 12, 2026, 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. The house will be open for self-touring with historical handouts provided.
Community Clothing Swap
Saturday, September 19, 2026, from 11:00am – 3:00pm
Community Clothing Swap at Callahan House Garden, Sponsored by NoCo Boss Babes! Bring gently used, clean women’s/femme clothing and accessories for ages 13+. No household or other items. Items to swap and registration fee required for entry. Pre-registration: $5, Register at the door: $10. All ages/genders welcome. 12 and under free to enter. Light refreshments provided.
Follow this link to register now: WebTrac Activity Search – 3.1 WEB
Callahan Video Release Party at Tend Studio
Thursday, October 8, 2026, from 5:30pm – 7:30pm
Join us at Tend Studio to view a new video about Callahan House! Enjoy a happy hour reception with snacks and drinks provided, followed by a viewing of the film, and a panel with board members, staff, and community members who partner with Callahan House. Learn about the history of the house, how it serves the community today, and how we can help you host your next special event!
All ages. Free event with suggested $10 donation. Limited seating. Register ahead of time or get tickets at the door if available.
Follow this link to register now: WebTrac Activity Search – 3.1 WEB
Murder Mystery Night at Callahan House
Saturday, October 17, 2026, from 6:30pm – 9:45pm
Best Laid Plans – A 1930’s Hollywood themed event:
Enjoy an unforgettable night of intrigue, mystery, and MURDER (gasp!) at the historic Callahan House; the perfect backdrop to immerse yourself in a Murder Mystery Dinner! Join us for a classic “whodunnit”, hosted by The Murder Mystery Co. Enjoy delicious eats, drinks, and entertainment. Dress in your best era fashion and be prepared to participate in the mystery as it unfolds.
Follow this link to register now: WebTrac Activity Search – 3.1 WEB
Fall/Winter Art Classes at Callahan House
Fall and winter art classes are hosted in the upstairs meeting room. You must be able to climb the stairs to participate.
All supplies included in the $10 material fee due to the instructor at the time of class. No refunds for cancellations within 48 hours of class.
Watercolor Halloween Cards
Thursday, October 29, 2026, from 5:00pm – 7:30pm
Make creative cards with ghosts and pumpkins while learning important watercolor techniques. This is a class with fun results, perfect for people who love to be creative. Everybody can work on their own level while enjoying the process and taking home fun Halloween cards for friends or family.
Follow this link to register now: WebTrac Activity Search – 3.1 WEB
Watercolor Holiday Cards
Thursday, November 19, 2026, from 5:00pm – 7:30pm
Make holiday themed cards while learning important watercolor techniques. This is a beginner friendly class with fun results, perfect for people who love to be creative. Everybody can work on their own level while enjoying the process Take home sweet Holiday cards right on time to send to friends and family.
Follow this link to register now: WebTrac Activity Search – 3.1 WEB
Macrame Ornaments
Thursday, December 17, 2026, from 5:00pm – 7:30pm
Learn the macramé knots to make cute ornaments for your tree. They also make great gifts for friends and family. Make a gnome, a snowflake and a Christmas tree.
Follow this link to register now: WebTrac Activity Search – 3.1 WEB
Holiday Open House
Thursday, December 3, 2026, from 4:30pm – 7:30pm
Free and open to the public. No registration required.
Join us for our annual Holiday Open House and enjoy seeing Callahan House dressed in the splendor of the season. The house will be open for self-touring with historical handouts provided.
Santa Visit at Callahan House
Thursday, December 10, 2026, from 3:30pm – 7:30pm
Registration Required! Space is limited.
More details to come. Registration opens November 2026.
