Condominium for sale by owner in Boston, MA 02116. Back Bay Carriage House Overlooking the Esplanade with a Full Deeded Parking Spot and Private Patio. This is a separate building from the main building so you don't have anyone living above, beside or below you. This house has wide pine floors, plantation shutters, skylite, private patio and more. More photos available.... See site for full property details.