One57, formerly known as Carnegie 57 and nicknamed "The Billionaire Building", is a 75-story (marketed as 90-story) supertall skyscraper at 157 West 57th Street between Sixth and Seventh Avenues in the Midtown neighborhood of Manhattan, New York City. Upon completion in 2014, it stood at 1,005 feet tall, making it the tallest residential building in the city for a few months until the completion of 432 Park Avenue.
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