Welcome to 231 Wierimus Rd in Hillsdale, NJ, an exceptional one-of-a-kind duplex style 2 family plus an accessory building. Timeless Italianate Victorian meets contemporary luxury. Perched on a private hill with 1.4 private acres, this fully renovated property offers breathtaking views, unmatched privacy, and endless possibilities. Designed for today's lifestyle, the residence features a separate accessory building, making it ideal for hosting gatherings, a home office, or a creative studio. The North Unit offers 3 bedrooms, 2 full baths, a bright living room with a cozy wood-burning fireplace, dining area, beautifully renovated kitchen, laundry room, finished attic for storage, and AC. The South Unit features 2 bedrooms, 2 full baths, an inviting living room, dining area, renovated kitchen, laundry area, and finished attic for storage. A new heat pump, boiler, water heater, and radiators. Roof, new windows, and durable James Hardie siding. Both residences are equipped with acoustic insulation for enhanced privacy and comfort. Expansive backyard, perfect for entertaining, relaxing, or enjoying the peaceful surroundings. The detached accessory building provides additional flexible space with ample parking. As an added value, the sale includes approved architectural plans for a two-car garage and a civil engineering concept study outlining an easier path toward a potential minor subdivision. A truly rare opportunity in one of Bergen County's most desirable communities.