Cosmetics heir William Lauder sold his second Upper East Side co-op in less than a year.  Lauder sold his 12th-floor unit at 778 Park Avenue for $21.3 million, according to property records. He bought the unit from billionaire financier Ronald Perelman for $24 million in 2023.  The loss comes less than a year after Lauder sold his co-op at 998 Fifth Avenue for $37.5 million. He purchased that unit for $23.5 million in 2017. Lauder listed the home for $26.5 million at the end of 2024 before dropping the price to $25 million in Jan. 2025, and dropping it again […]

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