Reminiscent of a more refined era, this grand home is located on the ideal floor for perfect architectural and Park Avenue views. Arriving on the private elevator landing you enter the nearly 28-foot gallery which opens to three beautiful public rooms spanning 63 feet in length. The corner living room, center reception room, and dining room are all very large and are complimented by attractive architectural exposures and tremendous morning light. The dining room retains its original intricate plaster ceiling and both fireplaces, in the living and dining rooms, are adorned with stunning custom marble mantels. Between the dining room and the oversized chefs windowed eat-in kitchen is a handsome wet bar, perfect for entertaining, with fabric walls and custom finishes in rich wood grain. There is a private library with views to Park Avenue located off the gallery as well. 10'6" ceilings throughout.There are currently 3 sizeable bedrooms, all facing Park Avenue with bright Eastern light, and 1 additional guest room used as a home gym. The corner primary suite includes a gargantuan bathroom, with separate shower and soaking tub, with walls clad in tumbled imported stone. The primary suite's dressing room/ closet is equally impressive in size, and has 2 windows and a vanity sink.Stunning custom solid wood doors, historically accurate marble fireplace mantels, and beautiful original herringbone floors are found throughout the home. There is through wall air conditioning throughout, and a separate windowed laundry room with sink next to the kitchen. A basement storage unit transfers with the sale.550 Park Avenue is a top full-service prewar co-op building completed in 1917, and designed by prominent architect, J.E.R. Carpenter. 50% financing is permitted, as are pets. Showings by appointment.