Magazine quality penthouse duplex with Monument views! Located within a historic brownstone c.1870, this no-expense-spared renovation offers an idyllic floorplan and exceptional craftsmanship throughout, seamlessly blending old-world charm with modern living. Expansive living offers shiplap / soapstone surround fireplace, handcrafted mantle honed from the home's original wood frame, and built-in wine bar. Chef's kitchen features designer cabinetry, professional grade appliances, incredible sun through picture window, and a formal dining area. Spectacular primary features 11' ceiling, room for a king-size, custom closets, and wonderful Monument views. Spa-bath w/ oversized quartzite vanity, tile-surround shower, and radiant heat flooring. Spacious guest bed w/ exposed brick is ideal for a growing family. Guest bath with built-in laundry. Enjoy all seasons on the gigantic enclosed patio! AC. Ample storage. Roof & balcony rights. A special property in most desirable Charlestown location.