Find and select your local warehouse to see hours and upcoming holiday closures. Regular hours apply unless otherwise specified.
Antioch 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
New Year's Day Closed
Christmas Eve 10:00 a.m. - 5:00 p.m.
New Year's Eve 10:00 a.m. - 6:00 p.m.
Warehouse Services
Mon-Fri: 6:00 a.m. - 10:00 p.m.
Sat: 6:00 a.m. - 8:30 p.m.
Sun: 6:00 a.m. - 8:00 p.m.
Christmas Eve 6:00 a.m. - 5:00 p.m.
New Year's Eve 6:00 a.m. - 6:00 p.m.
Phone: (925) 757-1070
Phone: (925) 757-1933
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: (925) 757-6091
Phone: (925) 470-4603
Departments and Specialty Items
- Auto Buying Program
- Bakery
- Executive Membership
- Fresh Deli
- Fresh Produce
- Membership
- Rotisserie Chicken
- T-Mobile Cellular Kiosk
Opening Date
08/29/1991
Departments and Specialty Items
- Auto Buying Program
- Bakery
- Executive Membership
- Fresh Deli
- Fresh Produce
- Membership
- Rotisserie Chicken
- T-Mobile Cellular Kiosk
Opening Date
08/29/1991