Set on an extraordinary 3.01 acres of complete privacy extending to the peaceful banks of the Pascack Brook, this stately 1940 Dutch Colonial offers a rare opportunity to enjoy a majestic estate-like setting in the heart of Hillsdale. Soaring mature trees, expansive manicured lawns, and professionally landscaped grounds create a remarkable sense of seclusion surrounding a one-of-a-kind residence. The exterior showcases timeless architecture with its classic gambrel roof, stone facade, clapboard siding, with gracious proportions. Inside, approximately 3,696 square feet of living space across two main floors is defined by original hardwood floors, and beautifully scaled rooms with character. A grand front-to-back entry foyer sets an inviting tone, while custom built-in cabinetry, sconces, three fireplaces, and dual staircases showcase exceptional craftsmanship. Five generous bedrooms and four-and-a-half baths provide flexible accommodations for daily life and overnight guests, complemented by a full 1,560-square-foot basement. Outdoors, a sprawling paver patio spans the full length of the home, overlooking grounds that feature an inground pool, a 622 SF pool house with a half bath. Plus an area for a tennis court, two attached sheds, and a detached two-car garage with a walk-up attic. With dual street access from Overbrook Pl and close proximity to Pascack Valley conveniences, 1 Carlyle Road is an exceptional 3 acre retreat offering unmatched space, elegance, and privacy.