A truly rare home, defined by quality and versatility, offering approximately 3,500 square feet of refined living space. Zoned as a single-family residence, it functions seamlessly as a two-family, enhanced by a spacious finished lower level. The main level features high ceilings and expansive living and dining areas, thoughtfully appointed with custom-made furnishings, flowing into a beautifully finished kitchen with direct access to the backyard and in-ground swimming pool. This level also includes a primary suite with a multi-jet stand-up shower, jacuzzi, and double vanity, along with a second bedroom offering an en-suite powder room. The upper level offers a second full kitchen, generous living and dining rooms, a primary suite with a full bath, three additional well-proportioned bedrooms, and a large, dedicated office. The lower level provides a finished bonus space with a den, open recreation area, kitchenette, and full bath, along with a separate laundry area and a generously sized unfinished storage room with shelving. Elegant, spacious, and thoughtfully designed - an exceptionally unique offering in Saddle Brook.