15 East 63rd Street

in Upper East Side

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Oleg Cassini’s former UES mansion sells for $34.5M after lengthy bankruptcy battle

Photo credit: Evan Joseph for Sotheby’s International Realty

April 1, 2026

Oleg Cassini’s former UES mansion sells for $34.5M after lengthy bankruptcy battle

By Aaron Ginsburg

An Upper East Side townhouse tied to late fashion designer Oleg Cassini has sold for $34.5 million, bringing a years-long legal and bankruptcy battle to a close. The five-story home at 15 East 63rd Street was at the center of a high-profile dispute involving Cassini’s widow, Marianne Nestor, and her sister, Peggy Nestor, who filed for bankruptcy in 2023 after creditors moved to foreclose on the Beaux Arts limestone townhouse. The pair had filed, and lost, nearly 20 court appeals to delay the case and keep the residence, according to Crain’s.
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For $65M, this limestone Beaux Arts mansion on the UES is a trophy townhouse for the ages

Photo credit: Evan Joseph for Sotheby’s International Realty

June 18, 2024

For $65M, this limestone Beaux Arts mansion on the UES is a trophy townhouse for the ages

By Michelle Cohen

Only a few of Manhattan's opulent Gilded Age mansions remain standing and possessed of their original splendor. Many have been turned into art galleries and cultural destinations–the Frick Collection, the Cooper Hewitt design museum, and the Morgan Library and Museum–come to mind. This limestone Beaux Arts mansion at 15 East 63rd Street is a rare opportunity to own one of these stunning survivors. Located just off Fifth Avenue and Central Park on the Upper East Side, the palatial eight-level townhouse, asking a trophy-tier $65 million, offers 18,000 square feet of interior space, with an elevator to access every floor.
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