7 West 54th Street

For Manhattan’s jet-set crowd, the 2010s are starting to look an awful lot like the 1900s. New York’s upper crust are embracing a return to the Gilded Age, moving out of their fancy penthouses, co-ops and lofts and into opulent single-family mansions. From Aby Rosen’s quest to build the largest private mansion on Park Avenue to Jared Kushner’s conversion of three former Brooklyn Law School buildings into single-family townhouses—the most affluent buyers are now on the hunt for New York’s ultimate trophy prize.
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