One of Cliffside Park's most coveted properties, 1 Knox Ave is a rare opportunity to own a Two-Family home with breathtaking & unobstructed views of the iconic New York City skyline. Family owned for generations, this cherished home has never before been on the market. A true once-in-a-lifetime opportunity. Nestled at the edge of the cliff on a dead-end street, this residence offers serenity and privacy. Gut renovated in the early 1990's and expanded in 2012, 1 Knox Ave, spans 3,800sf+/- and commands attention with dramatic NYC skyline views, re-finished hardwood floors and expansive windows. Every window frames a spectacular skyline view, while the home features two spacious terraces perfectly positioned for enjoying sunrise-to-sunset and dazzling city lights at night. Inside the home has been meticulously maintained throughout the years, blending classic charm with modern upgrades. Designed for flexibility and multi-generational living, the property includes a completely separate ground-level apartment with its own private entrance. This Cliffside retreat is truly a piece of paradise while overlooking the NYC skyline.