List of Costco Stores in Portland, OR Outlet Note Regular Brands Costco Oregon Portland 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 - Portland 4849 NE 138th Ave (503) 258-3700 People Also Viewed