This impressive center entrance Colonial is nestled-in on a tree-lined cul-de-sac in one of Boxborough's admired neighborhoods! Pristine & Spacious this home features 4 bedrooms, 2.5 baths, a  fabulous bonus room, and an easy flowing floor plan. A granite kitchen, with high end SS appliances, a 2-level center island for both food prep & seating flows seamlessly into the fireplace family room. A formal dining room, living room/home office, powder room and laundry room complete the first level. Upstairs there are 4 generously sized bedrooms including the main bedroom suite w/private bath & walk-in closet, 3 more bedrooms, and a full bath. The third level bonus room is quite the surprise; offering enormous space - perfect for exercise, game room, and tons of fun!  The unfinished LL - utilities, storage, & future expansion possibilities. Private deck, backyard with garden shed, & mature landscaping. Newer Heating & Central A/C systems too!  Don't miss out on this stunning property!