List of Costco Stores in Concord, CA Outlet Note Regular Brands Costco California Concord 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 - Concord 2400 Monument Blvd (925) 566-4003 People Also Viewed