Welcome to 21 East Mountain Road South in Cold Spring, NY — a beautifully maintained 4-bedroom, 2.5-bath ranch set on 1.1 flat private acres in the highly sought-after Haldane Central School District. This warm and inviting home offers effortless single-level living with original hardwood floors, skylights, central air, 3-zone heating, and a bright open-concept layout designed for everyday comfort. The spacious open basement provides endless possibilities for recreation, fitness, media, or additional living space, while the large attic offers abundant storage. Step outside to your private backyard oasis featuring an enclosed patio, expansive usable yard, and above-ground pool perfect for entertaining. A 2-car attached garage includes generator and trailer hookups. Conveniently located just minutes from the historic Village of Cold Spring, Metro-North, shopping, dining, hiking trails, and the scenic Hudson River, this property offers the perfect blend of privacy, charm, and commuter convenience.