Find and select your local warehouse to see hours and upcoming holiday closures.
Brentwood CA Warehouse
Hours
Executive Member Hours
Mon-Fri: 9:00 AM - 8:30 PM
Sat: 9:00 AM - 7:00 PM
Sun: 9:00 AM - 6:00 PM
Gold Star & Business Member Hours
Mon-Fri: 10:00 AM - 8:30 PM
Sat: 9:30 AM - 7:00 PM
Sun: 10:00 AM - 6:00 PM
Christmas Day Closed
New Year's Day Closed
Christmas Eve 10:00 AM - 5:00 PM
New Year's Eve 10:00 AM - 5:00 PM
Warehouse Services
Mon-Fri: 6:00 AM - 10:00 PM
Sat: 6:00 AM - 8:30 PM
Sun: 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.
Phone: (925) 666-0233
Mon-Fri: 9:00 AM - 7:00 PM
Sat: 9:00 AM - 6:00 PM
Sun: Closed
When only one pharmacist is on duty the Pharmacy may be closed for 30 minutes between the hours of 1:30pm and 2:30pm
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.com (separate login required). Walk-in-tire-business is welcome and will be determined by bay availability.
Phone: (925) 666-0235
Phone: (925) 666-0236
Phone: (925) 666-0243
Departments and Specialty Items
- AT&T Cellular Kiosk
Opening Date
03/07/2025
Departments and Specialty Items
- AT&T Cellular Kiosk
Opening Date
03/07/2025