An absolute masterpiece of design and elite engineering by an award-winning local MA builder. This high-performance, energy-efficient home features a supreme HERS score, ERV fresh air system, and balanced Make-Up Air. Inside, 4" white oak floors lead to a magnificent family room with coffered ceilings and a chef's kitchen with handmade custom cabinetry. High-end Pella windows flood the sprawling 5,450 SF plan with light, highlighting 4 bedrooms—each with its own private en-suite bath! This weekend only: reserve by the end of June and choose 1 of 5 FREE builder luxury upgrade packages—Entertainment, Theater, Gym, Golf Lounge/Simulator, or Outdoor Living! Best of all, the builder provides, installs, and completes the entire package prior to closing. Positioned for beautiful scenic views with direct access to 10 acres of protected Sudbury River trails, yet just 26 miles from Boston and a short walk to the commuter rail. See firm remarks for incentive details!