This extraordinary corner top floor 4 bedroom, 4 bath, duplex condo residence is surrounded by magnificent open city and skyline views. The north, south and east exposures deliver gorgeous light in every room. The perfectly proportioned floor plan has been meticulously redesigned with classic prewar details to complement your modern lifestyle. The large inviting living room opens to the adjacent dining room. Pocket doors lead to a separate library with en-suite full bathroom providing flexibility to use the space as a guest room or media room. The large windowed eat-in chef's kitchen features custom cabinetry as well as a pantry for ample storage, stunning white glass counter-tops, marble back-splash and Miele, Bertazzoni, Sub-Zero appliances. A beautifully crafted staircase leads to the top floor bedroom suites, which boasts four bright bedrooms and three full baths. The bathrooms are designed with a unique combination of stone, marble, glass and polished nickel fixtures. Central air conditioning, Hunter Douglas remote controlled shades and blackouts in all windows, multi-room integrated audio system, a washer/dryer, solid oak basket weave floors, and high ceilings with crown molding complete this home. This elegant prewar condo building has 24 hour doorman, a beautifully furnished and landscaped roof deck with stunning skyline views, an exercise room, cold storage for your grocery deliveries, central laundry room, and it is pet friendly. In the neighborhood you have Whole Foods and Trader Joe's, plenty of restaurants, easy access to both Central Park and Riverside Park, and the Trinity School is on the same block. If you're looking for classic prewar elegance in a condo building on the Upper West Side, then look no further.