Billionaire sells two UWS retail condos to undisclosed buyer for $14.375M

The billionaire biotech investor Wayne Rothbaum who invests through his company Quogue Capital, sold two Upper West Side retail condominium units at 210 West 77th Street and 221 West 77th Street, to an undisclosed buyer in care of the law firm Schwartz Sladkus Reich Greenberg Atlas, in two separate transactions. Both buildings were developed by the Naftali Group.

In the first, the buyer through the entity 210 W 77 NYC LLC paid $9.6 million to Quogue Capital through the entity 210 W. 77th St. LLC for the retail condo at 210 West 77th Street in the Upper West Side of Manhattan.
The deal closed on September 30, 2025 and was recorded on October 7, 2025. The property has 2,046 square feet of built space according to a PincusCo analysis of city data. The sale price per built square foot is $4,679 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 signatory for Quogue Capital was third-party attorney David R. Mashaal . The signatory for Schwartz Sladkus Reich Greenberg Atlas registered was attorney Mark A. Hakim . The contract date was September 29, 2025. Quogue Capital is the family office investment vehicle for billionaire biotech investor Wayne Rothbaum.

The seller bought the property on July 12, 2017, for $3.9 million from Naftali Group.

In the second, the entity 221 W 77 NYC LLC paid $4.8 million to Quogue Capital through the entity 221 W. 77 St. Commercial LLC for the retail condo at 221 West 77th Street in Upper West Side, Manhattan. The expected use is cash flowing.
The deal closed on September 30, 2025 and was recorded on October 7, 2025. The property has 2,369 square feet of built space according to a PincusCo analysis of city data. The sale price per built square foot is $2,027 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 signatory for Quogue Capital was David R. Mashaal . The signatory for Schwartz Sladkus Reich Greenberg Atlas registered was Mark A. Hakim . The contract date was not disclosed.

The seller bought the property on January 14, 2020, for $2.7 million from the Naftali Group.

Prior sales and revenue

Prior to this transaction, PincusCo has records that Schwartz Sladkus Reich Greenberg Atlas registered entities purchased three properties in one transaction for a total of $5 million and has no record it sold any properties over the past 24 months.
The seller Quogue Capital had not purchased any other properties and had not sold any properties over the same time period.

The property

The retail condo in Upper West Side has 2,046 square feet of built space according to a PincusCo analysis of city data. The parcel has a total lot size of 2,046 square feet. The city-designated market value for the property in 2022 is $1.4 million.

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 not received any significant violations in the last year.

Development

For the tax lot building, it received its initial certificate of occupancy on October 21, 2016. There are no active new building construction projects or major alteration projects with initial costs more than $1 million on this tax lot. On the tax lot, the most recent condominium plan was filed by 206-210 W. 77TH PROPERTY OWNER, L.L.C. to create 25 residential units in a building at 206-210 West 77th Street in Upper West Side, Manhattan, called Two Ten West 77 Condominiumthat has a $194 million sellout, according to an March 25, 2014 submission to the New York State Attorney General. The principal of the sponsor, 206-210 W. 77TH PROPERTY OWNER, L.L.C., was Miki Naftali.

The neighborhood

In Upper West Side, The majority, or 59 percent of the 52.9 million square feet of commercial built space are elevator buildings, with walkup buildings next occupying 23 percent of the space. In sales, Upper West Side has 3.1 times the average sales volume among other neighborhoods with $916.5 million in sales volume in the last two years and is the 12th highest in Manhattan. For development, Upper West Side has 1.4 times the average amount of major developments relative to other neighborhoods and is the 21st highest in Manhattan. It had 2.1 million square feet of commercial and multi-family construction under development in the last two years, which represents 4 percent of the neighborhood’s built space.

The block

On this tax block, PincusCo has identified the owners of 13 of the 19 commercial properties representing 368,126 square feet of the 562,036 square feet. The largest owner is Ashkenazy Acquisition, followed by Triumph Real Estate Management and then Lawrence Zombek.
On the tax block, there was one new building construction project filed totaling 21,915 square feet. It is a 10-unit, 21,915 square-foot residential (R-2) building submitted by Aleksandr Finkelshteyn and filed by Aleksandr Finkelshteyn with plans filed May 9, 2025 and it has not been permitted yet.

The majority, or 52 percent of the 562,036 square feet of built space are hotel buildings, with elevator buildings next occupying 30 percent of the space.

Direct link to Acris document. 210 West 77th Street link
Direct link to Acris document. 221 West 77th Street link