An expansive prewar duplex that lives like a townhouse, with four bedrooms, two full bathrooms and a powder room, a gracious separate dining room, and a private garden that brings everyday life outdoors. Classic prewar character is woven throughout, including nine foot ceilings, hardwood floors, oversized south facing windows, and excellent storage with multiple closets. Beautiful details bring warmth and a sense of permanence. On the main level, a bright south facing living room offers a calm setting for conversation and quiet afternoons. The formal dining room is made for long, leisurely meals, from weeknight family dinners to weekend brunches and dinner parties where the conversation lingers. A windowed cook's kitchen with smart flow, generous maple cabinetry and stainless steel appliances.. Staff room includes an en suite powder room. Occupying a separate wing of the home, you will find two large bedrooms, connected by a charming shaving closet, and a full windowed bathroom with soaking tub. Downstairs, the home opens into a large great room with a wet bar and direct access to the private garden, ideal for indoor outdoor entertaining, play, and summer evenings under the open sky. This level also includes an additional bedroom, a full bathroom, and an in-unit washer dryer, creating a versatile lower floor that can easily adapt to work from home needs, guests, or a media and recreation space. Set in the pet-friendly Von Colon Co op, the building offers additional storage, a bike room, a laundry room, and virtual doorman services. Moments from Riverside Park and surrounded by Upper West Side dining and shopping, with convenient access to the 96th Street subway and nearby bus lines. A rare combination of scale, comfort, and private outdoor space in a quintessential neighborhood setting. Note: Virtually staged room photos with their vacant counterpart image as well. Garden, kitchen, bathroom are not virtually staged.