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434 West 20th Street is a pre-war co-op building in Chelsea, Manhattan, built in 1920. The 4-story walk-up building contains 31 units and features an intercom system. Currently, 1 apartment is for sale.
434 West 20th Street is a four story pre-war co-op on Chelsea’s Seminary Row, directly opposite the grounds of General Theological Seminary. Completed in 1920, the 31 apartment walk up occupies a tree lined block in the Chelsea Historic District.
Apartments retain high ceilings of roughly 10 or 11 feet, oversized windows, hardwood floors, and wood burning fireplaces. Larger floor through homes occupy a full level, while top floor layouts connect by internal stairs to private rooftop terraces with skyline and Seminary views. Southern and western exposures also bring treetop and rear garden outlooks into many residences.
The building has an intercom and shared laundry, and several homes have in-unit laundry and basement storage. Pets are permitted, while co-op rules prohibit subletting and pied-à-terre ownership. The High Line is one block west, with Hudson River Park, Chelsea Piers, and the neighborhood’s gallery district farther west and south.
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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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