Find and select your local warehouse to see hours and upcoming holiday closures. Regular hours apply unless otherwise specified.
Montclair Warehouse
Hours
Executive Member Hours
Mon-Fri: 9:00 a.m. - 8:30 p.m.
Sat: 9:00 a.m. - 7:00 p.m.
Sun: 9:00 a.m. - 6:00 p.m.
Gold Star & Business Member Hours
Mon-Fri: 10:00 a.m. - 8:30 p.m.
Sat: 9:30 a.m. - 7:00 p.m.
Sun: 10:00 a.m. - 6:00 p.m.
Christmas Day Closed
MLK Birthday Open
New Year's Day Closed
New Year's Eve 10:00 a.m. - 6:00 p.m.
Warehouse Services
Mon-Fri: 5:30 a.m. - 10:00 p.m.
Sat: 6:00 a.m. - 8:30 p.m.
Sun: 6:00 a.m. - 7:30 p.m.
New Year's Eve 6:00 a.m. - 6:00 p.m.
Phone: (909) 575-5008
Phone: (909) 575-5003
Mon-Fri: 9:00 a.m. - 7:00 p.m.
Sat: 9:00 a.m. - 6:00 p.m.
Sun: Closed
Tire Center operating hours for executive, gold star, and business members are the same as the warehouse hours.
Appointments recommended! Schedule your appointment today at costcotireappointments.ca (separate login required). Walk-in-tire-business is welcome and will be determined by bay availability.
Phone: (909) 575-5009
Phone: (909) 575-5002
Phone: (909) 575-5050
Departments and Specialty Items
- AT&T Cellular Kiosk
- ATM
- Auto Buying Program
- Bakery
- Beer & Wine
- Executive Membership
- Fresh Meat
- Fresh Produce
- Membership
- Service Deli
- Tobacco
- Wheelchair Available
Opening Date
12/11/2001
Departments and Specialty Items
- AT&T Cellular Kiosk
- ATM
- Auto Buying Program
- Bakery
- Beer & Wine
- Executive Membership
- Fresh Meat
- Fresh Produce
- Membership
- Service Deli
- Tobacco
- Wheelchair Available
Opening Date
12/11/2001