This Grand, Sun-flooded, extremely well-maintained 9 room Prewar Apartment is located at 90th Street and Park Avenue in a Premier Park Avenue Cooperative. This 3 Bedroom and a Library or 4 Bedroom Apartment has an exceptional layout with just under 10 ft. ceilings and Southern, Western and Northern exposures throughout.Entering the generous marble floored Gallery, one is immediately drawn to the wood paneled Library or 4th Bedroom with ample built-ins, large walk-in closet, and a Powder Room (Powder Room can be a full Bathroom). To the left of the Gallery is the expansive 29' Living Room with wood-burning fireplace and a wall of windows facing South also on 90th Street. Down a private Hallway there are 3 generous sized Bedrooms with oversized walk-in closets. These rooms are sun drenched with south facing windows onto 90th Street. Two of these Bedrooms share a connected Bathroom. The Primary Bedroom is a large corner room with a wall of built-in closets, generous En-suite Bath with South and West facing windows fill this Bedroom with lots of sunlight. Across the Gallery on the other side of the Apartment is the huge Formal Dining Room with a wall of windows and seating for at least 14. Adjacent is the Eat-in Kitchen which includes a large Breakfast Room. Also off the Kitchen is a separate Staff Room with en-suite full bath and double exposure windows. In addition, there is a Butler's Pantry that doubles as a Laundry Room and Storage space complete this wing of the Apartment. This wonderful Carnegie Hill Co-op was originally designed by architect George Pelham and was constructed in 1929. 1120 Park Avenue at 90th Street is a quiet street near Central Park, Museum Mile, wonderful Boutiques and Restaurants, the finest schools and cultural institutions.This Full-Service Building has a 2% Flip Tax, a Live-in Superintendent, Doormen, Handymen, a Fitness Center, Bike Room, and Private Storage.