Welcome to 145 Arthur Avenue in Thornwood, NY—a rare opportunity to own a versatile legal two-family home situated on a desirable corner lot in one of Westchester County’s most convenient locations. This spacious property offers four bedrooms, three full bathrooms, a bright sunroom, a finished basement, and an oversized garage with plenty of room for multiple vehicles, a workshop, or additional storage. The first-floor unit features a kitchen, dining room, living room, full bathroom, sunroom, bedroom, and flexible den or office space. Handicap Accessible pathway from the driveway to the back entrance of the home. The second-floor unit offers a spacious three-bedroom layout, an updated full bathroom with heated floors, an eat-in kitchen, dining room, and large living room that opens onto a private second-floor patio. The finished walk-out basement includes three versatile rooms suitable for additional living space, recreation, hobbies, or storage, along with a full bathroom. Outside, enjoy an expansive, approximately half-acre fenced yard with an additional patio and garden area, offering plenty of space for outdoor entertaining, relaxation, or recreation. Ideal for owner-occupants, investors, or multigenerational living, this home is conveniently located near Metro-North train service, providing easy access to New York City, as well as nearby shopping, restaurants, parks, schools, and major highways. Offering exceptional space, flexibility, and convenience, 145 Arthur Avenue is an opportunity not to be missed—schedule your showing today!