Skip to main content

News & Alerts
Events
Careers
Contact

Accessibility

Ensuring accessible government services.
Activities

Providing community activities.
Building

Guiding construction and development.
Business

Supporting local businesses.
Education

Offering educational resources.
Government

Facilitating civic engagement.
Housing

Providing housing services.
Human Services
Information

Delivering essential community information.
Jobs

Connecting residents with jobs.
Library

Offering library services and resources.
Licensing

Issuing permits and licenses.
Maintenance

Maintaining public infrastructure.
Museum

Exhibiting arts, culture and history.
NextLight Fiber Internet
Public Safety

Ensuring community safety.
Sustainability

Promoting environmental sustainability.
Transportation
Utilities

Managing utility services.
Wellness

Supporting community health.

Explore All Services

Explore a comprehensive list of services provided by the City of Longmont. From public safety and utilities to parks and community programs, find all the resources you need in one place.

Explore All Departments

Discover all the departments that make up the City of Longmont’s government. Get detailed information on their roles, responsibilities, and how they serve the community.

All Departments

1 event found.

Callahan Events

Home
Events
Callahan

Events Search and Views Navigation

Enter Keyword. Search for Events by Keyword.

Event Views Navigation

List
Month
Summary

Select date.

Filters

Changing any of the form inputs will cause the list of events to refresh with the filtered results.

Event Category

Tags

Day

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Time

All Day

Morning

Afternoon

Evening

Night

5:00 pm

Callahan House main staircase with view of hand crafted stained-glass window

Thursday, July 24 · 5 pm - 7 pm

Summer Open House at Callahan House

Callahan House 312 Terry St, Longmont

Previous Day
Next Day

Welcome

Longmont is a diverse, multicultural and welcoming city.

Services

View All Services

Departments

View All Departments

Quick Links

Agendas and Meetings
Code Enforcement
Emergency Notifications
Employment Opportunities
Permits and Inspections
Public Records
Service Requests

Email Signup

Stay up-to-date on news and events in Longmont.

For questions or assistance, please contact our help and information line at (303) 776-6050.

facebook
instagram
youtube

Accessibility Land Acknowledgment InsideLongmont Employee Login Terms of Use Privacy Policy

© 2025 City of Longmont, Colorado

Accessibility
Activities
Building
Business
Education
Government
Housing
Human Services
Information
Jobs
Library
Licensing
Maintenance
Museum
NextLight Fiber Internet
Public Safety
Sustainability
Transportation
Utilities
Wellness

Explore All Services

Explore a comprehensive list of services provided by the City of Longmont. From public safety and utilities to parks and community programs, find all the resources you need in one place.

Explore All Departments

Discover all the departments that make up the City of Longmont’s government. Get detailed information on their roles, responsibilities, and how they serve the community.

All Departments

Government

News & Alerts
Events
Careers
Contact