Annual · Mainstage season runs September through June, with a summer stock musical in July
Grandstreet Theatre Mainstage Season 2026
Grandstreet has staged plays in a former Unitarian church and Helena's Depression-era public library since 1976.
When
Friday, September 11, 2026 – Sunday, June 13, 2027
Mainstage season runs September through June, with a summer stock musical in July
Where
Grandstreet Theatre
325 N. Park Ave, Helena, MT 59601
Cost
CLUE: Live On Stage: $23 matinees and Wednesday evenings, $27 Thursday-Saturday evenings (fees not included; one 'choose your price' Wednesday performance); pricing varies by show and is set separately for each production
By Grandstreet Theatre
About Grandstreet Theatre Mainstage Season
Grandstreet Theatre is Helena's community and professional theatre, founded in August 1975 by Carl Darchuck, who staged the company's first show, 'How to Succeed in Business Without Really Trying,' in the ballroom of the historic Placer Hotel. The company moved into its current home in August 1976: a Romanesque granite building built in 1901 as a Unitarian church, later used as Helena's public library from 1933 to 1976. The theatre runs a school serving more than 350 students a year in acting, dance and a conservatory program, alongside its mainstage season of community and youth productions.
The 2026-27 season, Grandstreet's 51st, includes CLUE: Live On Stage (Oct. 9-25, 2026), the holiday show How the Grinch Stole Christmas performed by Theatre School students at the Helena Civic Center Auditorium (Dec. 11-13, 2026), and the musical COME FROM AWAY (April 16-May 2, 2027) at the theatre's 200-seat home at 325 N. Park Ave. Tickets for CLUE ran $23 to $27 per seat; pricing is set per show. The box office is reached at (406) 447-1574, Monday through Friday, noon to 5 p.m.
What happens
- Community mainstage productions with local volunteer casts (e.g. CLUE: Live On Stage, COME FROM AWAY)
- Young Performers Mainstage shows featuring Theatre School students, including a December holiday production
- Grandstreet Theatre School classes, camps and a conservatory program for students of all ages
- Performances inside a restored 1901 Romanesque granite building that once served as Helena's public library
Tips
- The Grinch is staged at the Helena Civic Center Auditorium, not at the Grandstreet building on N. Park Ave, check the venue on each ticket before heading out
- The theatre seats only about 200, so popular shows like COME FROM AWAY can sell out; buy ahead through grandstreettheatrehelena.ludus.com
- Ticket prices are set per production and vary by night (matinee vs. weekend evening); check the specific show page rather than assuming a flat price
Grandstreet Theatre Mainstage Season FAQ
- What is Grandstreet Theatre's 2026-27 season?
- The 51st season includes CLUE: Live On Stage (Oct. 9-25, 2026), How the Grinch Stole Christmas (Dec. 11-13, 2026, at the Helena Civic Center), COME FROM AWAY (April 16-May 2, 2027) and the Young Performers show Dare to Dream Jr. (June 4-13, 2027).
- How much are Grandstreet Theatre tickets?
- Prices are set per show; CLUE: Live On Stage tickets ran $23 for matinees and Wednesdays and $27 for Thursday-Saturday evenings, plus ticket fees.
- Where is Grandstreet Theatre located?
- 325 N. Park Ave in Helena, in a granite building built in 1901 as a Unitarian church and later used as Helena's public library from 1933 to 1976.
- Does Grandstreet Theatre offer acting classes?
- Yes. The Grandstreet Theatre School serves more than 350 students a year through classes, camps and a conservatory program, led by Director of Education Marianne Adams.
- How old is Grandstreet Theatre?
- The company was founded in August 1975 and has performed in its current building since August 1976, making the 2026-27 season its 51st.
Other annual events in Helena
Helena Bighorns
Friday, September 18, 2026 – Sunday, March 14, 2027 · Steed Arena (formerly Helena Ice Arena)
Helena Symphony Masterworks Season
Saturday, September 12, 2026 – Saturday, May 1, 2027 · Helena Civic Center (Masterworks concerts); Cathedral of St. Helena (Christmas in the Cathedral)
Little Tykes Trick or Treat
Saturday, October 31, 2026 · Downtown Helena (Walking Mall and Great Northern Town Center)
Just for the Helena of It
Sunday, October 18, 2026 · Bill Roberts Golf Course area / Country Club Avenue start-finish