Find and select your local warehouse to see hours and upcoming holiday closures.
Ontario Business Center Warehouse
Hours
Mon-Sun: 7:00 AM - 6:00 PM
MLK Birthday Open
New Year's Day Closed
New Year's Eve 7:00 AM - 6:00 PM
Warehouse Services
Mon-Fri: 6:00 AM - 10:00 PM
Sat: 6:00 AM - 8:30 PM
Sun: 6:00 AM - 7:30 PM
New Year's Eve 6:00 AM - 8:00 PM
Prices shown here are updated frequently, but may not reflect the price at the pump at the time of purchase. All sales will be made at the price posted on the pumps at each Costco location at the time of purchase.
Departments and Specialty Items
- Auto Buying Program
- Business Delivery
- Business Products
- Delivery
- Executive Membership
- Fresh Meat
- Membership
- Office Furniture
- Restaurant Supplies
- Select Produce & Deli Area
- Tobacco
Opening Date
08/06/2020
Departments and Specialty Items
- Auto Buying Program
- Business Delivery
- Business Products
- Delivery
- Executive Membership
- Fresh Meat
- Membership
- Office Furniture
- Restaurant Supplies
- Select Produce & Deli Area
- Tobacco
Opening Date
08/06/2020