New Developments

The Penthouse Duplex at 427 East 90th Street Create Over 4,700 SF of Mint-Condition Living + 1,400 SF of Private Outdoor Space A truly rare opportunity to combine two full-floor penthouses into a grand-scale, mint-condition duplex with 4,700 interior square feet and 1,400 square feet of private outdoor space across four terraces. With private elevator access to both floors, open river and skyline views, and complete...

Introducing Penthouse 9 at Gracie Green - A full-floor showstopper with nearly 1,000 square feet of private outdoor space. Perched atop this boutique Upper East Side condominium, Penthouse 9 delivers the rare kind of outdoor living New Yorkers dream about: two sprawling terraces totaling over 900 square feet, including a 720-square-foot private terrace that spans the full width of the building, framed by open southwest...

Introducing Penthouse 10 at Gracie Green - A rare full-floor, four-bedroom home with two private terraces and sweeping river and skyline views. This is absolutely the best value four-bedroom new development in the Upper East Side. Enter directly from your keyed elevator into a 25-foot-wide living room, where floor-to-ceiling windows frame southwest city views and open onto a private terrace. Nearly 10-foot ceilings...

Rare Opportunity in a Prime Park Block Co-op Create your dream home in this classic six at 21 East 90th Street. Just off Central Park, this spacious prewar apartment offers exceptional layout, charm, and potential in one of Carnegie Hill's most desirable full-service buildings. Residents enjoy a full-time staff, beautifully renovated lobby, a small fitness room, and an unbeatable location.    From your semi-private...