List of Costco Stores in Saint Peters, MO Outlet Note Regular Brands Costco Missouri Saint Peters Rating 4.7 based on 76 votes Official Website http://www.costco.com/ Products Handbags Clothing Furniture Jewelry Appliances Electronics Office Products NameAddressPhone Name/Address/Phone Costco outlet - Saint Peters 200 Costco Way (636) 970-4004 People Also Viewed