List of Costco Stores in Spokane Valley, WA Outlet Note Regular Brands Costco Washington Spokane Valley 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 - Spokane Valley 5601 E Sprague Ave (509) 842-0003 People Also Viewed