145 Arthur Avenue Legal two family residence with accessory apartment in the heart of Thornwood, offering versatility, comfort, and exceptional commuter convenience. Ideally located just minutes from the Pleasantville, Hawthorne, and Mount Pleasant Metro North stations, as well as the Sawmill River Parkway, this property provides easy access to shopping, dining, parks, and major transportation routes. An oversized garage with exceptional depth-large enough to accommodate a standard size limousine-opens to an extensive heated sunporch that both units can enjoy, creating a unique shared indoor outdoor living space. The entry level unit features a welcoming and functional layout, including a first floor bedroom, an eat in kitchen, a formal dining room, and a living area with a fireplace that brings warmth and character. The second level unit offers a spacious three bedroom layout with a beautifully updated bathroom featuring radiant floor heating, along with a kitchen that includes an impressive pantry and eat in area, a formal dining room, and a large family room providing generous living space. The home also includes a full lower level with walk out access and laundry. Outdoor amenities include a fenced backyard, a lower-level patio, and an upper-level covered deck, offering multiple areas for relaxation and entertaining. The driveway accommodates parking for four additional cars, and a dedicated gravel area provides space suitable for RV parking. The home is equipped with 200-amp electrical service, solar panels, and central AC servicing all finished living areas above grade (the basement is not air conditioned), offering efficiency and year-round comfort. A rare opportunity to own a well maintained, energy efficient two-family home in a sought-after Westchester neighborhood.