Stand-up comedy · Ontario, CA

Steve Treviño in Ontario, 3–6 December 2026

Ontario Improv · 4555 Mills Circle

Thursday 3 to Sunday 6 December 2026 · 6 shows

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 6 more dates on the tour, to 29 January 2027.

Steve Treviño in Ontario: the shows at Ontario Improv

Steve Treviño in Ontario, 3–6 December 2026: a portrait of the comedian

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.

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.

Steve Treviño's dates after Ontario

6 more dates to 29 January 2027, in 4 cities.

Steve Treviño tour dates, specials and more →

About Steve Treviño

Steve Treviño is a stand-up comedian, writer and producer from Portland, Texas, who started at the Addison Improv at 19 and is known for relationship and marriage humor.

Stand-up specials
Grandpa Joe's Son, Relatable, 'Til Death, My Life in Quarantine and 2 more
Albums
That's How Daddy Does It, Live, Grandpa Joe's Son and 1 more
Podcasts and books
Steve Treviño & Captain Evil: The Podcast
On screen
Comics Unleashed, Mind of Mencia, The Late Late Show with Craig Ferguson and Pitbull's La Esquina

Hear who's next at Ontario Improv

Follow Ontario Improv, or Ontario, and the free D.O.C. letter says who is coming, week by week, from the shows on the Comedy Calendar. Leave any time.

What you get: the free D.O.C. letter with the news of the comedians, rooms and towns you follow, never daily. Every letter has a one-click unsubscribe. How your address is kept

For fans 18 and over: signing up says you are, and makes you a Disciple, D.O.C.’s free fan club.

Follow Steve Treviño →

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 3 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 3 November 2026 · the room's details from its website, checked 23 September 2026; tickets and house rules checked 30 September 2026