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Newmarket Warehouse

Open until 8:30PM

Address

107 HARRY WALKER PARKWAY S
NEWMARKET, ON
L3Y 7B3
Get Directions

Hours

Mon-Fri:
9:00 AM - 8:30 PM
Sat-Sun:
9:00 AM - 7:00 PM

Warehouse Services

Mon-Fri:
6:00 AM - 9:30 PM
Sat-Sun:
6:00 AM - 8:30 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: (289) 319-4514

Phone: (289) 319-4502
Mon-Fri:
9:00 AM - 8:30 PM
Sat-Sun:
9:00 AM - 7:00 PM

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: (289) 319-4504

Phone: (289) 319-4505

Phone: (289) 319-4512

Departments and Specialty Items

  • Bakery
  • Fresh Meat
  • Fresh Produce
  • *General Information
  • *General Information - English
  • Membership
  • Rotisserie Chicken
  • Self Check-out
  • Service Deli

Opening Date

11/20/2002
Built At: 11/11/2026, 5:17:33 PM
Built At: 11/11/2026, 5:17:33 PM