Nestled in desirable Heather Estates, this beautifully maintained Colonial offers over 3,400 sq ft of living space plus a fully finished lower-level In-Law, ideal for extended family, guests, or au pair. The main level features an updated kitchen with marble countertops, spacious dining area, first-floor laundry, and a step-down family room with cathedral ceilings and fireplace. Upstairs are four generous bedrooms, including a primary suite with private bath and walk-in closet. The walk-out lower level includes a full kitchen, dining area, bedroom, media room, full bath, and separate living space. Outside, enjoy a fenced backyard retreat with in-ground pool, newer heater, Loop-Loc cover, vinyl fence, irrigation with private well, fire pit and mature landscaping. Updates include new central air, hardwood floors, surveillance system, and more. Close to South Shore Hospital, medical facilities, Derby Street Shops, commuter rail, and Route 3.