Stewart Auditorium - City of Longmont Skip to main content

Stewart Auditorium

An Exquisite Venue with Excellent Acoustics

The exquisite Stewart Auditorium is ideal for conferences and large meetings, lectures, multi-media presentations, music concerts, film festivals, and avant-garde theater performances. It is a state-of-the-art, multidisciplinary performing arts venue with excellent acoustics and lighting as well as a theater-sized screen for films.

The auditorium has comfortable cushioned seats for 245 people, plus five spaces for wheelchairs. All standard auditorium rentals include the Swan Atrium, and a tech person to operate the lights and sound, dressing rooms, and black orchestra chairs, and music stands as needed. Optional add-ons include a world-class Shigeru Kawai concert grand piano and risers for choral concerts. Stage is set with black velvet curtains, which can be taken down with an additional curtain strike fee.

Rental Hours & After Hours Fee

Regular Museum hours are from 9 am – 5 pm Monday – Saturday and 1 pm – 5 pm on Sunday.
The Museum rental spaces are available from 7:30 am-10:30 pm.
For rentals extending beyond our regular Museum hours there is a $175 after-hours fee.

Virtual 350 Tour

Stewart Auditorium with Swan Atrium

Rental Rates 

Video Streaming or Recording in Auditorium

The minimum cost for a videographer is $300 for 3 hours + $75 for  each additional hour.

How to Rent the Stewart Auditorium

If you would like to rent the Stewart Auditorium, please complete the online Rental Space Application Form by the 15th day of the month preceding the month of your event.

After receiving your application, we will check availability and get back to you within five business days. When we contact you, we will clarify any questions and give you a cost estimate so you can determine if you would like to proceed with a rental agreement. Date is not reserved or confirmed until we have received a signed rental agreement and the security and damage deposit.


For questions please email MuseumRentals@longmontcolorado.gov or call 303-651-8374.

Other Rental Spaces

 | Swan Atrium | Courtyard | Kaiser C Classroom