Stand-up comedy · Ontario, CA

Steve Treviño in Ontario

Ontario Improv · 4555 Mills Circle

Thursday 3 to Sunday 6 December 2026 · 6 shows

Tickets ↗Plan the night

The short answer

Steve Treviño plays Ontario Improv in Ontario from Thursday 3 to Sunday 6 December 2026, 6 shows. Ontario Improv is at 4555 Mills Circle, Ontario; tickets $25.22–$37.17, 21 and over, two-item minimum, as the room gives them. After Ontario, Steve Treviño has 7 more dates on the tour, to 17 January 2027.

Steve Treviño at Ontario Improv: the shows

Lineups belong to the room and the comedians, and can change; the room's listing has the last word. D.O.C. sells no tickets: a ticket link goes to the room's box office or its ticket seller.

Ontario Improv

4555 Mills Circle, Ontario, CA 91764

ShowsWednesday to Sunday, some Tuesdays
TicketsStarting prices $25.22–$37.17 on the shows it listed ("Starts at" on each show page) source ↗
Age21 and over unless the show says otherwise source ↗
MinimumTwo-item minimum; any food or drink counts, with or without alcohol source ↗
PhonesNo photos or recording without consent; some artists keep phones out of the show — check your show source ↗
ParkingNorth lot next to AMC Theaters and Market Broiler; valet on Fridays and Saturdays only source ↗

As the club's own pages give them, checked 30 September 2026 — a source link opens the page it comes from.

Ontario Improv in the Club Directory →Its website ↗

Plan the night

The night planner builds the evening around Steve Treviño at Ontario Improv: where to eat before, the trip there and home, and what the night costs.

Plan the night →Tickets ↗More shows in California →

Also at Ontario Improv that week

Steve Treviño's dates after Ontario

7 more dates to 17 January 2027, in 3 cities.

Steve Treviño tour dates, specials and more →

Hear who's next at Ontario Improv

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Questions and answers

When is Steve Treviño at Ontario Improv?

Thursday 3 to Sunday 6 December 2026: Thursday 3 December 2026 at 8:00 PM; Friday 4 December 2026 at 7:30 PM; Friday 4 December 2026 at 9:45 PM; Saturday 5 December 2026 at 7:00 PM; Saturday 5 December 2026 at 9:30 PM; Sunday 6 December 2026 at 6:00 PM.

Where is Ontario Improv?

4555 Mills Circle, Ontario, CA 91764 (Ontario Improv in the Club Directory).

How much are tickets at Ontario Improv?

Starting prices $25.22–$37.17 on the shows it listed ("Starts at" on each show page). The price of a show is on its ticket page.

Is there an age limit at Ontario Improv?

21 and over unless the show says otherwise.

Is there a minimum at Ontario Improv?

Two-item minimum; any food or drink counts, with or without alcohol.

Where is Steve Treviño performing after Ontario?

Las Vegas on 10 December 2026, Mayetta on 17 December 2026 and Doral on 15 January 2027, and 4 more dates (Steve Treviño tour dates).

More stand-up in California

California on the Comedy Calendar, night by night → · Ontario Improv → · Stand-up comedians, A to Z →

Updated 10 October 2026 · the room's details from its website, checked 23 September 2026; tickets and house rules checked 30 September 2026