Julia Koch, New York's richest lady, is a hidden purchaser of $101 million apartments

Julia Koch, New York's richest lady, is a hidden purchaser of $101 million apartments ...

Julia Koch is the mystery purchaser of two East Side co-ops that sold for $101 million last month, according to sources exclusively on Page Six.

The estate of late Microsoft co-founder Paul Allen sold the properties.

Allen was apparently paid $13.5 million for the penthouse and a full-floor apartment beneath it in 2011.

Koch, 60, could not be reached for a comment.

Bloomberg has reported a net worth of as much as $70 billion. The billionaire has been on a property buying spree lately.

Page Six exclusively reported that David Koch's widow had also purchased a historic Hamptons property adjacent to her own Southampton house for less than $75 million.

An insider claims that Koch intends to restore the historic property, but that any ideas are in the early stages, while another claims that the property might be a permanent residence for the Koch family's three grown children.

Koch owns a $18 million property in Southampton's Billionaire Lane, where celebrities include Calvin Klein, Leon Black, Ian Schrager, and Jay Sugarman.

Sources told Page Six that Koch recently held a costume party in the Hamptons, and that there was excitement among the guests that she was purchasing the East 66th Street pad from the Allen estate. The historic building has also been home to Veronica Hearst and Bernard Baruch, and its address is also known as 845 Fifth Ave.

The sale of the $101 million property was the largest so far in 2022, according to the New York Times (not counting a duplex at 220 Central Park South that sold for $188 million that was finalized in late 2021 but not recorded until mid-January).

But the private purchase was made by an LLC, and the buyer remained anonymous until we learned more.

Koch's $40 million Upper East Side townhouse, which was purchased with her late husband, David, in 2018 was previously reported to us by the media.

In 1996, Koch married David at his Southampton estate. The Koch Industries co-owner was well-known for conservative politics and charitable spending, including giving $100 million to Lincoln Center in 2008 and tens of millions to the Smithsonian, the American Museum of Natural History, the Metropolitan Museum, and others.

He and his older brother, Charles, were key members of Americans for Prosperity, and they pumped out millions to support Republican policies at all levels.

David passed away on August 23, 2019.

David bought the parcel from the Japanese government, which then housed their UN representative.

Julia reportedly put her current purchase of a house in Southampton and Palm Beach, Fla., on the market this year for around $60 million, since she was spending more time with the family. However, she is now looking to spend more time in the city with her latest purchase.

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