Citywide Calendar

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Welcome to Longmont's Calendar of Events!

The events listed on this Calendar are City of Longmont sponsored events and is not a comprehensive list of all activities happening around the community. Dates and times of these events are subject to change without notice.

Trash, Recycling, & Composting - Holidays & Events

View via the address-based Online Collection Calendar and sign up for reminders.

Other Community Events

To view other events being held around Longmont, please visit the Longmont visitors bureau events calendar at

Subscribe to the City Calendar

To get events emailed to you directly, sign up for the Calendar eNotifications and then select the Calendar categories.

Callahan House Tours - ArtWalk 2019

Free and Open to the Public

  • Date: 05/11/2019 4:00 PM - 8:00 PM
  • Location: Callahan House
    312 Terry Street
    Longmont, Colorado 80501
  • Introduction: The Historic Callahan House & Garden will be open for tours as part of the Downtown Longmont ArtWalk series.

Callahan House Open House & Tours:  Longmont ArtWalk 2019

The Historic Callahan House & Garden, 312 Terry Street, will be open for tours from 4-8pm Saturday, May 11 as part of the Downtown Longmont ArtWalk series.

Enjoy the works of local artists and music in the garden, while you learn about local Longmont history. The public is welcome and admission is free.

Questions?  Call 303-776-5191

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