This stunning Classic Six is located in the renowned pre-war co-op at 645 West End Avenue, a masterpiece by esteemed Italian architect Gaetan Ajello. Apartment 9C features two spacious bedrooms, plus a staff room or home office, along with 3 bathrooms. The formal dining room is warm and inviting, showcasing original wood-paneled walls and beamed ceilings. French doors with their original one side of mahagony and the other of oak lead into the living room, where oversized windows, elegant moldings, and high ceilings add to the charm. Both bedrooms are generously sized, with the primary bedroom facing east over West End Avenue, allowing natural light to pour in. The en-suite bathroom features a standing shower. The second full bathroom is beautifully appointed with a deep soaking tub, a wood and marble vanity, a stained glass window and classic subway-tiled walls. The large windowed kitchen has been thoughtfully preserved, featuring modern cabinetry, stainless steel appliances, a deep-soaking sink, ample storage, and a separate butler's pantry. Just off the kitchen, the original maid's room with a full bath is tucked away from the other bedrooms, making it a perfect private space for a home office, guest room, or cozy den. This inviting home is completed by hardwood floors, high ceilings, pre-war details, original moldings, and stained-glass windows. In-unit washers and dryers are permitted with board approval. The impeccably maintained, full-service, pet-friendly building offers a 24-hour doorman, a live-in superintendent, newly updated common hallways, a rooftop gym with new equipment, a bike room, storage rooms, and a beautifully landscaped roof deck. 645 West End Avenue stands as one of the most distinguished residential buildings on West End Avenue, known for its turn-of-the-century craftsmanship and attention to detail. 5% flip tax on net profit. Built in 1912 by renowned Italian architect Gaetan Ajello, this Turn Of The Century treasure holds a prominent and distinguished place on West End Avenue. Designed on a grand scale this prominent residence offers an abundance of pre-war details such as, an attended elaborate lobby with soaring ceilings and marble details. The apartments feature very high ceilings (10 to 12 feet), handsome oak paneled and beamed ceilings in the dining rooms, stained glass windows and decorative moldings throughout. Although the building appears massive in size, it is an intimate building with only 72 units. The building residents can enjoy a magnificent landscaped roof garden and gym/exercise room on the rooftop.