List of Costco Stores in Rockwall, TX Outlet Note Regular Brands Costco Texas Rockwall 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 - Rockwall 1225 State Highway 276 (972) 772-1600 People Also Viewed