Sun-filled Penthouse with Private Roof Deck Plus Parking on Highly Desirable Mt. Vernon Street in Charlestown! Stunning 1595 SF Upper Duplex in a beautifully maintained brownstone! Entertainer's dream layout with enormous front-facing living room, dining area and updated chef's kitchen. Viking appliances, high end cabinetry, breakfast island and long runs of stone counters make this a truly impressive and functional space! California King Sized Primary bedroom with bay windows, oversized closet and en-suite bathroom in the rear of the first level. Additional half bathroom off the kitchen. Second level is the perfect home sanctuary and the layout lends to so many options! Kitchenette area next to your massive private roof deck with arguably the best views in Charlestown will be a hit with all! Ideal for a work-from-home space or additional den area plus a second bedroom and an additional full bathroom! Central air, in-unit laundry, towering ceilings, and sparkling hardwood floors throughout, plus the building has a new roof! Wonderful value!