399 Congress, currently under construction in Boston's Seaport neighborhood, will consist of 414 luxury apartments ranging from "innovation" units to 3 bedrooms. 399 Congress will feature 60 innovation units across a two floor section where there will also be common work, communal and conference space. The ground floor at 399 Congress will house 12,000 square feet of retail, innovation and lobby space. 399 Congress will also have a three level underground parking garage beneath its first floor. Stay updated on 399 Congress' construction, leasing details and pricing here.