401 East 89th Street Unit 18/19E Manhattan, NY 10128

This terraced penthouse duplex features four bedrooms and three bathrooms, positioned on the southeast corner of the building. The main living area includes a great room that flows to a south-facing terrace, and a windowed kitchen positioned for entertaining. A spacious main-floor bedroom offers flexible use and its own full bathroom, along with a reading nook behind the staircase.

The upstairs wing is dedicated to private living quarters, including a corner primary suite with river views, California Closets, and a five-piece en-suite bath. Two additional oversized bedrooms share a full bathroom. The upper level also provides access through a door to the building’s hallway for bringing in suitcases. Interior features include richly stained red oak floors, a built-in bookcase wall unit, central forced-air heat and air conditioning, in-unit washer-dryer, and exceptional storage.

Built in 1963, The Gracie Towne House is a well-run full-service post-war cond-op building with 24-hour door staff and a live-in superintendent. Building amenities include a fitness center, private and bike storage, a laundry room on the floor, on-site parking garage, and a package room with refrigerator storage. Pets are permitted, and the offering notes flexibility of ownership with unlimited subletting, no ground lease, and no board approval; owners may convert cooperative shares into condominium ownership.