List of Costco Stores in San Dimas, CA Outlet Note Regular Brands Costco California San Dimas 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 - San Dimas 520 N Lone Hill Ave (909) 962-5507 People Also Viewed