Located alongside one of Manhattan's most prestigious Park Avenue co-operatives on a distinctive Upper East Side townhouse row, just 900ft from Central Park, this 20-foot-wide, 5-story residence with a distinctive, disciplined classic facade, is currently divided into multiple apartments and an office offering an exceptional opportunity for single-family conversion.....or a combination with its perfectly aligned neighbor to create a 40-ft wide mansion with over 13,000sf of unused F.A.R. that could allow for notable expansion and/or the sale of air rights. The property is currently configured as a ground-floor medical office with eight residential units above. Measuring approximately 7,000 square feet and featuring several outdoor spaces, including a rooftop terrace with impressive city views, this property with ceiling heights that remain elevated on every floor could also be retained in its current mixed-use configuration, ideal for a medical/cosmetic professional seeking to live above their practice. The property is delivered vacant. Perched in the heart of the Upper East Side Historic District, moments from Madison Avenue, the Plaza District, world-renowned cultural landmarks, acclaimed Michelin-starred restaurants, the best healthcare options, and new glamorous private clubs such as Maxime's and Casa Tua, this area also houses iconic cultural institutions such as The Metropolitan Museum of Art, The Guggenheim Museum, and The New Frick Collection. Coveted by discerning buyers globally, the Upper East Side is elegant, timeless, and remains one of New York's premier neighborhoods.