Find and select your local warehouse to see hours and upcoming holiday closures. Regular hours apply unless otherwise specified.
Simi Valley 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.
MLK Birthday Open
New Year's Day Closed
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.
Phone: (805) 578-3330
Phone: (805) 578-3305
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: (805) 578-3325
Phone: (805) 578-3303
Phone: (805) 578-3334
Departments and Specialty Items
- AT&T Cellular Kiosk
- Auto Buying Program
- Bakery
- EV Station
- Executive Membership
- Fresh Deli
- Fresh Meat
- Fresh Produce
- Membership
- Special Order Kiosk
Opening Date
05/01/1996
Departments and Specialty Items
- AT&T Cellular Kiosk
- Auto Buying Program
- Bakery
- EV Station
- Executive Membership
- Fresh Deli
- Fresh Meat
- Fresh Produce
- Membership
- Special Order Kiosk
Opening Date
05/01/1996