This Upper East Side building offers seven full-floor duplex condos, including a penthouse with a private rooftop terrace. Residences feature five bedrooms, five bathrooms, soaring 10-foot ceilings, wood-burning fireplaces, floor-to-ceiling windows, and private balconies with neighborhood views. Designed by BKSK Architects and Pembrooke & Ives, these homes combine classic townhouse charm with modern luxury.