List of Costco Stores in Montclair, CA Outlet Note Regular Brands Costco California Montclair 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 - Montclair 9404 Central Ave (909) 575-5004 People Also Viewed