List of Costco Stores in Dedham, MA Outlet Note Regular Brands Costco Massachusetts Dedham 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 - Dedham 200 Legacy Blvd (781) 251-9975 People Also Viewed