List of Costco Stores in Clarkston, WA Outlet Note Regular Brands Costco Washington Clarkston 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 - Clarkston 301 5th St (509) 758-1800 People Also Viewed