Introducing a rare and masterfully reimagined residence at 520 East 89th Street, where modern innovation meets timeless design in the heart of the Upper East Side. Newly completed in 2022, this exceptional seven-story, 7,200-square-foot property encompasses 6 graciously appointed bedrooms, 7 full baths, and 2 elegant powder rooms, providing a spacious and luxurious townhouse lifestyle with a fully...