Retail space for lease in Dedham, MA right next to Legacy Place. 870–890 Providence Highway is a two building, 25,720 SF shopping center located in Dedham, MA at the signalized intersection of Legacy Boulevard and Providence Highway (Route 1). The center is located at one of two primary entrances to the 675,000 SF Legacy Place and is located at the only entrance to Costco. The center underwent a complete facade renovation in Spring 2012. Tenants include: Lenscrafters, Jos. A. Bank and Mattress Firm.