Welcome to 3 Rio Vista Street, a beautiful and expansive home set in highly desirable West Billerica near the Carlisle line. Offering approximately 3,700 sq ft of thoughtfully designed living space, this 4-bed, 3-bath home provides the perfect blend of comfort, flexibility, and room to grow. The great room over the 2-car garage is ideal for entertaining, an office, playroom, or media space. The main level features a generous living room, formal dining room, and an open kitchen with breakfast bar, ample cabinetry, and newer appliances—creating an inviting layout for everyday living and gatherings. Step outside to a spacious deck overlooking a serene wooded lot, offering privacy and a peaceful outdoor retreat. The flexible floor plan also presents the opportunity to create a first-floor bedroom with en-suite bath or accommodate extended family. Conveniently located near Route 3, shopping, dining, and commuter routes, this home offers space, versatility, and an exceptional location.