A private oasis in a neighborhood of fine homes. This creatively expanded and smartly updated 4 bedroom Colonial sits on a .74 acre landscaped corner lot. Its flexible, sunny living spaces are perfect for entertaining! Enjoy gatherings in the formal dining room, over-sized eat-in kitchen, cozy den and family room with kitchen and deck. The sunroom entry overlooks an amazing patio, gardens, walkways, deck and heated pool. Main floor bedroom and full bath, office with 1/2 bath, and laundry. Three bedrooms upstairs. One is tandem--convert to a private space, or use as a Master sitting area or exercise room. Cheerful corner bedroom with treetop views of the grounds and panoramic sunsets. Master bath has a steam shower, third full bath has a dressing area. Two 2-car garages. Updates: gas fireplace, Buderus boiler, AC, windows, wood floors, generator and more! Easy access to highly rated Chelmsford schools, recreation, shopping and commuting routes 3, 4 and 495. In-law or au pair potential.