NEW EXCLUSIVE! Located in The Park Mansion, the Upper East Side's newest boutique condominium building, is this sprawling, full floor four bedroom residence with four-and-a-half bathrooms and glorious prewar detail and over 11-foot ceilings throughout. Your private keyed elevator entrance leads to an elegant gallery which guides you seamlessly toward a grand living room, formal dining room, library/fourth bedroom and a windowed eat-in chef's kitchen by Arclinea, outfitted with all top-of-the-line Miele appliances, Taj Mahal Quartzite marble counters and custom cabinetry. The attention to function and detail is flawless, with a generous breakfast bar for informal dining, a vented exhaust for large-scale cooking and the sophistication of Dreamscape fixtures. The bedroom wing features a Master Suite with a large balcony, a five-fixture en-suite windowed bathroom with enclosed stall shower, Calacatta polished marble walls and Bardiglio white marble radiant heated floors, and two closets, including one walk-in. There are two additional bedrooms, both beautifully proportioned and each with its own en-suite bathroom. Additional features include wide plank White Oak floors, a discreet powder room, industrial size washers and dryers and private basement storage. Built in 1900 by the Beaux-Arts architecture firm of Janes and Leo, this stunning landmarked structure has been thoughtfully redefined to offer its residents the finest in contemporary living. Amenities include a doorman, fitness room and bicycle storage. This is a Co-Exclusive.