Ontario Convention Center

4.5(2,689 reviews on Google)

Exhibition Center listing in Ontario, CA

About Ontario Convention Center

Ontario Convention Center in Ontario, California offers flexible, column-free space that can be set for a trade show, a conference, a gala or breakout meetings. An expansion is planned that would add 247,000 square feet of exhibit halls, meeting rooms and a new ballroom to the current 222,560 square feet, along with better pedestrian access and more parking. The center has 1,336 spaces for event parking, including 24 accessible spaces, at $10 to $25 for cars and motorcycles depending on the event, $20 for limos and trucks with trailers and $50 for RVs, paid by card only and per entry. Under fire code, vehicles may not park on the loading docks or ramps. OCC Catering handles meals from small dinners in banquet rooms to galas in the ballroom and needs the final guest guarantee three working days before an event. Floor plans are available for planning. Rated 4.5 from 2,689 Google reviews, 1,795 of them five stars.

What reviewers mention: friendly staff (90), covid vaccine (44), comic con (27), gun show (20), quilt show (18), clean bathrooms (14), truck show (12), card show (3), fencing tournament (2), dance competition (2)

Venue facts

Parking spaces1,336 spaces

Services and details

  • Hosts trade shows and conventions

    Yes
  • On-site parking

    Yes
  • Loading docks / drive-in access

    Yes
  • Floor plans available

    Yes

No information yet on connected hotel, hotels within walking distance, public transit access, exclusive in-house catering, outdoor event space, public event calendar, wi-Fi. The website did not say; call and ask.

Contact

Listing compiled from public sources on 2026-10-08. Report a correction or request removal. Back to exhibition centers in California.