Magnificent four-bedroom, four and one-half bath home with full city views in William Sofield designed condominium just off Park Avenue, widely regarded as the Upper East Side's best crafted condominium development. An exquisite elevator opens directly into the private landing. Through the doorway, a gracious entry hall leads to the stunning sun filled living room with oversized windows and white oak herringbone floors. The nicely proportioned adjacent dining room has pocket doors to create a grand entertaining space with southern views. The dining room is open to the kitchen, with pocket doors that can be closed for formal dining. Off the other side of the living room is a library, currently used as a 4th bedroom, with en-suite bath and a walk-in closet. The hand painted Christopher Peacock kitchen is outfitted with custom wood cabinets, statuary stone slab countertops and backsplash, Wolf six-burner range, Sub-Zero refrigerator and wine cooler, Miele dishwasher and custom fittings designed by Studio Sofield. There is a counter for eating and a thoughtfully designed desk area has been added with matching cabinetry. A long hallway with a powder room creates a wonderful separation of space between the entertaining area and the bedroom wing. All three of these bedrooms have quiet northern exposure with charming views over landmarked townhouses and beyond. The elegant primary bedroom suite has a beautifully designed dressing area, featuring oak paneled doors with inset mirrors and well outfitted interiors, along with a large custom walk-in closet. The en-suite bath is truly luxurious, with Bleu de Savoire marble, soaking tub, double sinks, and separate stall shower and WC. The second bedroom has an en-suite bath, and the third bedroom has a full bath directly across the private hallway. Completing this well designed apartment is a full sized laundry/utility room leading directly to the service corridor and elevator. Apartment 9E is in pristine condition and features over 10' high ceilings, exclusive to the 9th floor. It has been tastefully designed and thoughtfully upgraded to include a Lutron system to control lighting, Sonos and Pandora sound, and automatic solar and Conrad decorative shades which fully retract into recessed pockets. There is also FrameTV wiring in the living room and library. This immaculate apartment features bespoke finishes including solid white oak floors, custom cabinetry in all closets, Nanz hand-cast hardware and slab stone bathrooms. An individual private storage area is assigned to the apartment. 135 East 79th Street is an intimate and luxurious 31-unit condo built in 2012, whose exterior blends in with its prestigious prewar neighbors, while the interiors feature contemporary layouts, along with modern amenities including a full-time doorman, concierge, resident manager, private fitness center, playroom, landscaped garden, wine cellar, bicycle storage, owners' lounge with catering kitchen, game room and private storage. The premier location is near Central Park, Museum Mile, galleries, boutique shopping, fine restaurants and transportation.