Sun Filled Penthouse with Roof Deck Plus Parking on Highly Desirable & Quiet Mt. Vernon Street in Charlestown! Stunning 1500+ SF Top Level Duplex in a beautifully maintained brownstone! Entertainer's dream layout with enormous front facing living room, dining area & updated chef's kitchen. Viking appliances, high end cabinetry, breakfast island & long runs of stone counters make this a truly impressive & functional space! In the rear of the 1st level is the California King Sized Primary BR with bay windows, walk in closet & en-suite bath. Additional half bath off the kitchen, closets & towering ceilings! Top floor is the perfect home sanctuary & the layout lends to so many options! Kitchenette area next to the massive roof deck with arguably the best views in Charlestown will be a hit with all! WFH space or additional den area, 2nd bedroom and an additional full bath complete the top floor. C/A & sparkling hardwood floors throughout, plus the building has a new roof! Wonderful value!