Welcome to 420 Nanny Hagen Road, a magnificent and completely renovated 18th-century farmhouse colonial in Thornwood, NY. This 4-bedroom, 2.5-bathroom, 3200 square foot home masterfully blends historic charm with modern luxury. Nestled on an estate-like property adjacent to over two thousand acres of reservoir and forever dedicated conservation land, this home offers unparalleled privacy and natural beauty. Cross over your own stone bridge to reach this unique residence, rich with history and visited by George Washington during the Battle of White Plains. The meticulously restored home features original pre-revolutionary exposed chestnut beams and porcelain knobs, combined with contemporary amenities like a professional chef's kitchen, a wet bar, and a built-in wall speaker system. The open-concept floor plan ensures a seamless flow throughout the home. The primary suite boasts a luxurious bath, a large walk-in closet, and custom cedar built-ins. Multiple second-floor balconies, a 300 square foot screened-in porch with a double-sided fireplace, and extensive bluestone patios provide ample outdoor living space to enjoy the serene surroundings. A 40-foot in-ground pool adds to the estate's allure, making it perfect for entertaining or relaxing. Modern touches, such as the screened-in porch, ensure comfort while maintaining the property's historic charm. Located in the sought-after Mount Pleasant school district, 420 Nanny Hagen Road offers a one-of-a-kind living experience where you can enjoy the views and sounds of nature from every corner of this exquisite property. Don't miss the opportunity to own a piece of history, beautifully restored and ready for modern living.