Architectural masterpiece, distinguished, industrial craftsmanship, cantilevered steel-and-concrete construction, floor to ceiling windows w/ views of the Hudson River and its spectacular sunsets. One of two sculptural staircases leads to the main level's living space that flows to the dining area, den/office/5th bedroom and extraordinary custom kitchen: black marble counters, back splashes, graphite-faced cabinetry, double-sided pizza oven, appliances by Wolf, Sub-Zero, Blue Star, Miele. Entertain on the multiple decks, patios, backyard with retractable glass doors. The bedroom floor boasts two guest rooms with a shared Toto bath, and a stunning master suite w/ three exposures, private rooftop deck, and marble spa bath w/ a Victoria & Albert tub. Radiant-heated polished concrete floors on three levels, gallery size walls, lower level office/au pair quarters/sixth bedroom, recreational room, green roof, state of the art mechanicals. Additional Amenities: Cooktop, Dryer, Range, Refrigerator, Wine Cooler, Sprinkler Lawn System, Cathedral Ceiling(s), Marble Countertops, Master Bath, Wet Bar