# Ontario Convention Center Floor Plans, Exhibit Hall Specs & Loading Docks

- **Canonical URL:** https://conventions.com/venues/ontario-convention-center-ontario/floor-plan
- **Parent Venue Hub:** https://conventions.com/venues/ontario-convention-center-ontario
- **VenueScore™:** 8.4/10 (Ontario Union Jurisdiction Convention Campus)
- **Address:** Downtown Convention Corridor, Ontario, CA
- **Labor Jurisdiction:** Union Jurisdiction

Inspect hall-by-hall square footage, theater/banquet setup capacities, ceiling rigging clearances (28' 0" – 32' 0"), slab floor loads, Edlen/utility floor-box grids, 16 freight dock bays + drive-in roll-up portal, and Union Jurisdiction exhibitor self-install rules at Ontario Convention Center.

## Hall-by-Hall Capacities & Structural Specs
| Hall / Ballroom | Net Sq Ft | Clear Height | Column Grid | Floor Load | Max 10x10s | Theater / Banquet |
| --- | --- | --- | --- | --- | --- | --- |
| Ontario Convention Center Main Exhibit Hall A–C (Contiguous Span) | 70,000 sq. ft. | 28' 0" – 32' 0" | 90' × 90' clear-span steel truss | 350 lbs / sq. ft. heavy industrial slab | 378 | 7,368 Theater / 5,185 Banquet |
| Ontario Convention Center Grand Ballroom & General Session Plenary | 40,500 sq. ft. | 24' 0" | 100% Pillarless | 150 lbs / sq. ft. | 203 | 4,263 Theater / 3,000 Banquet |
| Ontario Convention Center Executive Breakout Wing (24 Rooms) | 33,750 sq. ft. | 14' 0" – 16' 0" | Pillarless airwall pods | 100 lbs / sq. ft. | Tabletop Sponsors | 30–350 per room |