809 Madison Avenue is a prewar building located just one block from Central Park on Manhattan's prestigious Upper East Side. The rental-to-condo conversion will be helmed by Robert A.M. Stern Architects and feature full floor apartments with private elevator landings, offering residents an exceptional level of privacy and exclusivity typically found only in the most distinguished prewar cooperatives.
Homes feature corner living rooms with multiple exposures and working fireplaces. The location provides immediate access to Central Park and places residents in the heart of the Upper East Side's finest dining, shopping, and cultural attractions, making it an ideal choice for those seeking both luxury and convenience in one of Manhattan's most coveted neighborhoods. Delivery is anticipated in 2027.
In September 2025, developer Harry Macklowe purchased the prewar building at 809 Madison Avenue from Churchill Real Estate Holdings for $49 million, with the intention of converting the prewar building to full-floor luxury condominiums. Mr. Macklowe has also acquired air rights to expand the building.
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