Welcome to 509 South Main Street, a wonderful property on a large, level, landscaped lot that combines charm, flexibility, and income potential. Enjoy the best of peaceful Vermont living, mere moments from the vibrant town of White River Junction. The main residence features high ceilings, wood floors, and abundant natural light, with a floor plan consisting of 3 bedrooms, a full bath, an eat-in kitchen, and a living room. A separate second-floor ADU includes a 1-bedroom, 1-full bath space with its own eat-in kitchen and living room-ideal for guests, extended family, or as a rental for extra income. A 2-car attached garage and ample additional parking add everyday convenience, while the generous lot provides room to garden, entertain, play, or simply enjoy the peaceful outdoors. The sellers have made many upgrades throughout their stewardship, including vinyl siding, windows, and finishing off a lovely 3-season porch. The location is hard to beat. From your doorstep, you're within walking distance of the restaurants, shops, cafés, and community gathering places of White River Junction, with easy access to the Advanced Transit free local bus route, and a less than 10 minute walk to the Amtrak train station with lines running to NYC. Dartmouth Health Medical Center and the VA hospital are a short drive away, as is Hanover, NH, home to Dartmouth College. Whether you're seeking a charming primary residence, a multi-generational home, or a property with built-in rental income, 509 South Main Street delivers a rare combination of character, flexibility, and convenience in one of the Upper Valley's most desirable and walkable communities.