Find and select your local warehouse to see hours and upcoming holiday closures. Regular hours apply unless otherwise specified.
Gaithersburg 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
Christmas Eve 10:00 a.m. - 5:00 p.m.
New Year's Eve 10:00 a.m. - 6:00 p.m.
Warehouse Services
Phone: (301) 417-1544
Phone: (301) 556-1960
Mon-Fri: 9:00 a.m. - 8:30 p.m.
Sat: 9:00 a.m. - 7:00 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: (301) 417-1519
Phone: (301) 417-1533
Phone: (301) 417-1530
Departments and Specialty Items
- Auto Buying Program
- Bakery
- Executive Membership
- Fresh Deli
- Fresh Meat
- Fresh Produce
- Independent Optometrist
- Membership
- Service Deli
- Special Order Kiosk
- T-Mobile Cellular Kiosk
Opening Date
07/28/1990
Departments and Specialty Items
- Auto Buying Program
- Bakery
- Executive Membership
- Fresh Deli
- Fresh Meat
- Fresh Produce
- Independent Optometrist
- Membership
- Service Deli
- Special Order Kiosk
- T-Mobile Cellular Kiosk
Opening Date
07/28/1990