This historically landmarked townhouse at 336 East 69th Street stands at the center of an iconic row of spectacular townhomes which spans the entire block. Located on a famed, tree-lined street in the heart of Manhattan''s Upper East Side and listed in the National Register of Historic Homes, This townhouse combines timeless architectural elegance with modern conveniences, creating a unique opportunity to own a piece of New York City history. Spanning 3,584 square feet, this four story home features five bedrooms and three bathrooms. Thoughtfully designed interiors are highlighted by three wood burning fireplaces, large windows and 11 foot ceilings. The home boasts numerous original period details, including hardwood floors and exquisite architectural accents. The property includes two kitchens with modern appliances and two laundry rooms, catering to both convenience and functionality. Stunning custom glasswork throughout the home adds a contemporary touch to its historic appeal. Additional highlights include central air for year-round comfort, ample storage space, and its prime location in one of Manhattan''s most sought-after neighborhoods. This elegant home is a perfect blend of historic charm and modern living. Outdoor spaces abound, with a 435-sq/ft garden, a 115-sq/ft balcony and a 195-sq/ft front patio. Step outside to the large private garden, a rare and tranquil outdoor retreat in the city, ideal for entertaining or relaxing. Additionally, an outdoor balcony provides even more space to enjoy the surrounding views and fresh air. The garden can be accessed from both the ground floor and second floor, while the balcony is found off of the second floor living room. This townhouse is legally designated as a two-family building and includes a separate one-bedroom apartment on the ground floor with its own private entrance, kitchen, garden access and washer/dryer, making it ideal for use as a guest suite, a home office, or an income-generating rental. The apartment has a proven track record as a successful rental, providing an excellent opportunity for additional revenue. For those seeking further possibilities, the roof offers potential for vertical expansion. With its prime location, generous square footage, and the added bonus of an income-generating apartment, 336 East 69th Street presents an exceptional opportunity to buyers looking for a versatile townhouse in one of New York''s most desirable neighborhoods.