Legal 3 Family! Elegant Upper East Side Townhouse - 20 Ft Wide, 4 Stories, 30 Ft Setback, Expansion Potential This exceptional 20-foot-wide townhouse on the Upper East Side seamlessly blends architectural elegance with future potential. Spanning four stories, the home features a breathtaking living room designed by renowned architect Michael Helm, offering a perfect balance of sophistication and comfort. A rare 30-foot setback enhances the sense of privacy and grandeur, while the beautifully landscaped yard provides a tranquil retreat. With zoning allowing for expansion up to eight stories, this property offers a unique opportunity for customization or development. Situated in one of Manhattan's most prestigious neighborhoods, this townhouse is steps from world-class dining, shopping, and cultural landmarks, making it an unparalleled investment in luxury living.