List of Costco Stores in Fullerton, CA Outlet Note Regular Brands Costco California Fullerton 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 - Fullerton 900 S Harbor Blvd (714) 738-7521 People Also Viewed