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406 East 73rd Street is a five story pre-war co-op dating from 1910 and converted to a cooperative in 1977. The building's most distinctive residences are penthouse duplexes with private terraces or roof decks, including outdoor spaces measuring roughly 400 to 575 square feet.
This eight unit, walk up building has two apartments per floor and a range of loft like layouts, from one flight up homes to duplexes arranged across the upper levels. Apartments commonly retain pre-war details such as high ceilings, hardwood floors, exposed brick, and working wood burning fireplaces, while open kitchens and renovated bathrooms appear alongside those original features.
The co-op is financially secure and has a flexible board. Pets are permitted with approval, and subletting, co-purchasing, gifting, and pied-à-terre arrangements are allowed with board approval; in-unit washer dryers are also permitted. Entry includes a video intercom system.
On a tree lined, mid-block stretch of Lenox Hill, 406 East 73rd Street is close to John Jay Park, the East River promenade, and Carl Schurz Park. The surrounding Upper East Side includes restaurants, cafes, neighborhood shops, and major medical institutions such as New York Presbyterian Weill Cornell Medical Center, Hospital for Special Surgery, Memorial Sloan Kettering, and Rockefeller University.
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For some co-ops, instead of price per square foot, we use an estimate of the number of rooms for each sold apartment to chart price changes over time. This is because many co-op listings do not include square footage information, and this makes it challenging to calculate accurate square-foot averages.
By displaying the price per estimated room count, we are able to provide a more reliable and consistent metric for comparing sales in the building. While we hope that this gives you a clearer sense of price trends in the building, all data should be independently verified. All data provided are only estimates and should not be used to make any purchase or sale decision.
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