Discover charm and tranquility in this meticulously maintained 1-bedroom, 1-bath garden duplex with a bonus room, nestled on a picturesque tree-lined street in the heart of Yorkville, on the Upper East Side. Offering expansive interiors and an additional 400 square feet of private outdoor space, this home exudes the feel of a townhouse. Upon entering, the upper level greets you with hardwood floors, soaring 10-foot ceilings, and serene views of your very own bi-level garden. The top floor features a spacious bedroom, a full bathroom, and a versatile bonus room, ideal for a home office, nursery, fitness space, or art studio. Descending to the garden level, you'll find an open-concept living, dining, and entertaining space. The fully renovated kitchen is equipped with top-of-the-line appliances, including a Bosch Fridge, Miele dishwasher, and Smeg oven. The Caesarstone countertops and a breakfast bar add an additional charm to this timeless space. Lastly, a washer/dryer has been conveniently installed in this area. Best of all there is a private and expansive, well-maintained two level garden that provides a peaceful retreat, perfect for outdoor gatherings or personal relaxation. Located at 419 East 78th Street, this well-maintained pre-war, pet-friendly co-op offers a blend of quiet, residential living with the conveniences of city life. Residents are just steps away from Carl Schurz Park, the East River, and a variety of shopping and dining options. Transportation is a breeze with easy access to the Q and 6 subway lines, M79 crosstown bus, and M15 SelectBus service along First and Second Avenues. Building amenities include a basement laundry room and bike storage. Subletting, pets, pieds--terre, co-purchasing, and gifting are permitted with board approval. The building has a 2.5% flip tax, paid by the seller.