Costco Locations in Newmarket

New to Newmarket? Here is a list of Costco locations in Newmarket

Location 1 Costco: Newmarket, Ontario
Address: 18182 Yonge Street
               Newmarket, L3Y 4V8
Phone: (905) 954-4733
Store hours: M-F 10:00am - 8:30pm, Sat. 9:30am - 6:00pm, Sun. 10:00am - 5:00pm,


Map for Costco locations in Newmarket, Ontario