The Space of a Townhouse. The Charm of the Upper West Side. Representing an exceptional value and a rare opportunity, this expansive Prewar Duplex offers the scale and privacy of a Townhouse with the ease of Cooperative living. Blending classic architectural character with versatile, modern spaces, this home is defined by its generous proportions and a Private Garden. The Home at a Glance: - Layout: 4 Bedrooms | 2.5 Bathrooms across two sprawling floors - Outdoor Space: A Private Garden - Prewar Character: 9-foot ceilings, original hardwood floors, and oversized south-facing windows - Entertaining: Formal dining room, lower-level great room, and a wet bar - Convenience: In-unit washer/ dryer and excellent storage throughout The Main Level Sunlight pours into the south-facing living room, offering a warm and welcoming space to unwind. Just beyond, a gracious formal dining room is ready to host everything from weeknight meals to dinner parties. The windowed cook’s kitchen features a smart layout, generous maple cabinetry, and stainless steel appliances. Tucked away in a separate wing, the sleeping quarters offer privacy and quiet. Here you will find two large bedrooms, connected by a charming vintage shaving closet, and a full windowed bathroom with a soaking tub. A flexible staff room with an en-suite powder room completes the upper floor, ideal for a home office or nursery. The Garden Level Downstairs, the floor plan opens up into a massive great room featuring a wet bar and direct access to the private garden. This is an authentic urban oasis, providing an indoor-outdoor flow for summer evenings, weekend play, or morning coffee under the open sky. This lower level also includes a secluded additional bedroom, a full bathroom, and the in-unit washer/dryer, making it an ideal setup for a guest suite, media room, or dedicated workspace. The Building & Neighborhood The pet-friendly Von Colon Co-op, residents enjoy virtual doorman services, a bike room, additional storage, and a central laundry room. The location is quintessential Upper West Side- Riverside Park is quite literally at the end of your block, and you are surrounded by the neighborhood's dining, shopping, and easy access to the 96th Street subway and bus lines. Come view this incredible Riverside Park-adjacent home.