Welcome to this unique & versatile home in Marlborough, offering a rare multi-generational or income-producing layout not commonly found in the area. An enclosed front sunroom provides a welcoming space to relax and enjoy abundant natural light. The main residence offers a spacious living & dining area with a fireplace, 3 bedrooms, & 2 full bathrooms, including a primary suite with a private bath. The kitchen includes granite countertops, an under-mount sink, island with bar seating, and appliances. The main bathroom features a double vanity and flexible space for a walk-in shower or laundry hookup. The in-law suite features its own living room, dining area, kitchen, updated full bath, & 1 bedroom with the possibility of a 2nd; along with a private sun porch, entrance to the back deck, in-unit washer/dryer, updated appliances, & dedicated electrical subpanel. The hardwood flooring has been re-finished throughout, & freshly painted walls enhance the move-in-ready feel. The finished lower level adds valuable living space with a half bath, fireplace, kitchenette, washer/dryer hookup, workout room, and walk-out access. Highlights include a generator hookup in place, newer roof (2022), newer well system (2022), oversized deck wired for a hot tub, tin storage shed, and an oversized 2-car garage with walk-up storage. Situated on 1.4 acres on a cul-de-sac, the home borders state forest and offers access to hiking trails, convenient access to local beach, & much more!