Former Oleg Cassini atelier in Lenox Hill sells for $34.5M through bankruptcy

The entity 63rd St Townhouse LLC in care of Becker, Glynn, Muffly, Chassin & Hosinski LLP paid $34.5 million through a bankruptcy for the Gilded Age mansion at 15 East 63rd Street in Lenox Hill, Manhattan. The former owners were sisters Peggy Nestor and Marianne Nestor.
The deal closed on March 17, 2026 and was recorded on March 31, 2026. The property has 11,080 square feet of built space according to a PincusCo analysis of city data. The sale price per built square foot is $3,113 per the PincusCo analysis. (The price per square foot analysis is the transaction price divided by square feet as reported in public records and assumes no air rights have been sold.)
The seller bought the property on November 13, 2018, for $6 million. The signatory for the bankruptcy court was Albert Togut. The signatory for the buyer was attorney Justin M. Marques . The contract date was December 29, 2025. This is the former Oleg Cassini showroom and design studio.

The property

The elevator building in Lenox Hill has 11,080 square feet of built space according to a PincusCo analysis of city data. The parcel has frontage of 25 feet and is 100 feet deep with a total lot size of 2,510 square feet. The zoning is R8B which allows for up to 4 times floor area ratio (FAR) for residential. The property is in the Upper East Side Historic District. The city-designated market value for the property in 2022 is $11.4 million.

Transaction Participants

Justin M. Marques , partner at Becker, Glynn, Muffly, Chassin & Hosinski participated in the transaction on behalf of the buyer .

Violations and lawsuits

There were no lawsuits or bankruptcies filed against the property for the past 24 months. In addition, according to city public data, the property has received two DOB violations in the last year.

Development

There are no active new building construction projects or major alteration projects with initial costs more than $1 million on this tax lot.

The block

On this tax block, PincusCo has identified the owners of 11 of the 30 commercial properties representing 96,132 square feet of the 263,752 square feet. Large owners include Graff International and J. Safra Real Estate.
There are no active new building construction projects on this tax block.

The majority, or 30 percent of the 263,752 square feet of built space are elevator buildings, with mixed-use buildings next occupying 30 percent of the space.

The seller

The PincusCo database currently indicates that Marianne Nestor owned at least one commercial property with 10 residential units in New York City with 11,080 square feet and a city-determined market value of $12.4 million. (Market value is typically about 50% of actual value.) The portfolio consists of at least a single elevator property. It is located in Manhattan.

The buyer

The PincusCo database currently indicates that Becker, Glynn, Muffly, Chassin & Hosinski Registered owned at least one commercial property with eight residential units in New York City with 37,993 square feet and a city-determined market value of $15.7 million. (Market value is typically about 50% of actual value.) The portfolio consists of at least a single office property. It is located in Manhattan.

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