Welcome to this beautifully maintained 4-bedroom, 3.5-bath Colonial nestled in a desirable sidewalk-lined neighborhood in Mendon. Set on over 6 private acres-with protected land behind ensuring no future development-this home offers the perfect blend of space, comfort, and tranquility. Inside, you'll find a thoughtfully designed layout with all four bedrooms conveniently located on the second floor, including a spacious primary suite complete with a walk-in closet and private ensuite bath. Hardwood floors run throughout the entire second level, adding warmth and timeless appeal. The finished walkout basement provides fantastic bonus space-ideal for entertaining, a home gym, or media room-with direct access to the backyard for seamless indoor-outdoor living. Additional highlights include a 3-car garage, generous living spaces, and a peaceful setting that still keeps you connected to neighborhood charm. A rare opportunity to enjoy privacy, space, and community-all in one.