407 East 91st Street - Yorkville
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407 East 91st Street was built as a piano factory in 1901 and converted to a 38-unit cooperative in 1980. It is an intimate prewar building with an elevator, live-in super, central laundry room, package room, parking garage across the street, and pet-friendly policy. It is situated between First and York Avenues in a prime Upper East Side location near Carl Schurz Park, Asphalt Green, Gracie Mansion, and the Vinegar Factory as well as great restaurants, shopping, schools, the crosstown bus, and the Second Avenue subway.
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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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