Welcome to 400 W Lawn Ave located in the sought after Wilson School District. This custom-built masterpiece spares no detail and spans over 4100 square feet on 5.19 acres of prime real estate with convenient access to Routes 422 and 222. Enjoy a lifestyle of comfort, sophistication and luxurious living. Efficiency takes center stage with a range of eco-friendly features, including a rain collection system, solar panels, and a cutting-edge 14-zone radiant floor gas heating system. The property boasts three A/C zones, an outdoor wood boiler, and a central vacuum system for ultimate convenience. The thoughtfully designed rain collection system ensures sustainability, while programmable electric switches enhance energy efficiency, this home sets the standard for modern living. This residence is more than just a home; it's a retreat within itself. An in-law suite with a private entrance awaits, offering hardwood floors, a spacious living room, full bathroom, walk-in closet, private deck, and self-sufficient heating, cooling, and electric systems. The heart of the main house is a kitchen to envy, featuring granite countertops, a large kitchen island, custom cherry cabinets, and top-of-the-line appliances including a double drawer dishwasher, dual fridge, and a 5-burner gas stove with a pot filler. The living room exudes comfort with a stone gas fireplace and abundant natural light through ample windows. Entertain in style in the dining room adorned with hardwood floors, crown molding, and recessed lighting. Ascend to the second floor featuring three bedrooms, including a primary bedroom suite. Two bedrooms share a well-appointed hallway bathroom. The primary suite is a retreat in itself, featuring a massive walk-in closet with custom cabinetry and dressing area. The spa-like setting includes a separate whirlpool/soaking tub, glass walk-in shower, double sinks, and a 400+ square foot bonus room—an ideal space for an office, exercise room, or personal sanctuary. Storage is abundant throughout, and the full basement with high ceilings and ample space is a blank canvas awaiting your creative touch. The property includes a generous 3-car garage with abundant space for cars and toys, and there's potential to build an additional garage if desired. Don't miss the opportunity to inquire about the very low-interest assumable mortgage for a portion of the existing mortgage, making this dream home even more attainable. Welcome to a life of luxury, efficiency, and comfort at 400 W Lawn Ave.