An Exceptional Opportunity on East 62nd Street Located on one of the Upper East Side's most prestigious blocks, between Fifth and Madison Avenues, this rare offering presents the chance to acquire two side-by-side magnificent limestone townhouses spanning an impressive 41 feet of frontage. Together, the properties encompass approximately 16,200 square feet above grade, with an additional 3,100 SF on the lower level, and are currently interconnected on each floor by a hallway. Each structure retains its own grand staircase and elevator, allowing for versatility of use and design. The interiors showcase beautifully maintained rooms filled with natural light from oversized windows, soaring ceiling heights reaching up to 14 feet on the double parlor floor, multiple wood-burning fireplaces, and original architectural detail. An existing backyard lies between the two structures, with potential for further outdoor terraces. Currently configured for non-profit office use, the property may be reimagined as a grand private residence or for approved not-for-profit or philanthropic purposes. 15 East 62nd Street, designed by the famed architect C.P.H. Gilbert in 1900, boasts a striking Beaux-Arts facade with a high stoop, blending seamlessly with the stately limestone facade of 17 East 62nd Street. Available for the first time in over 50 years, this unique pair of properties offers a rare opportunity to create a legacy estate of exceptional scale and grandeur in one of Manhattan's most coveted locations, steps from  Fifth Avenue, Central Park and Madison Avenue's ultra luxury retail corridor, most fashionable restaurants and private membership clubs.  15-17 East 62nd Street (One Tax Lot) Asking Price: 35,000,000 Total Approximate Square Footage: 16,200SF Above Grade and 3,100SF Cellar Annual R.E Taxes: $288,983 (2025-2026) Current Certificate of Occupancy: Offices (Philanthropic Non profit Institution without sleeping accommodations) Zoning Districts: R8B, LH-1A Upper East Side Historic District