Immaculate 4 bedroom, 2.5 bath custom colonial nestled in a coveted cul-de-sac on the Carlisle/Acton side of town. Extensive seller upgrades include a spacious great room addition with three walls of windows and a vaulted ceiling, a fully updated dream kitchen with glass-front buffet, an updated primary bathroom with heated floor, a brand new septic system, and a new composite back deck. Enjoy ample natural light from the large windows throughout and a first-floor layout that is perfect for entertaining as well as everyday living. Top-ranking school system completes the allure. Don't miss the chance to make this warm and inviting home yours!