Welcome to 319 Harris Road in Cumberland - With 4 bedrooms plus an in-law suite/ADU for multigenerational living or income potential. Set on a private 3-acre lot, this exceptional home offers over 4,000 sq ft of bright, flexible space ideal for multigenerational living, or simply spreading out in comfort. The main house includes 4 bedrooms, 3.5 baths, and an attached ADU/in-law apartment with its own entrance, full kitchen, living area, bedroom, bath with laundry, and office/den - perfect for guests, rental income, or extended family. Step into the main home from a charming wrap-around porch into an open living, dining, and kitchen area with new flooring and fresh paint. The kitchen features granite countertops, a center island, farmhouse sink, and wine fridge. The dining space opens to the porch, ideal for entertaining or quiet mornings with coffee. Upstairs, the spacious primary suite offers vaulted ceilings, exposed beams, a sitting area, walk-in closet with barn door, and a spa-like ensuite with double vanity, soaking tub, and separate shower. Three additional bedrooms, a full bath, and a laundry room complete the second floor. The heated 3-car garage leads into a functional mudroom, while the finished lower level adds even more space with a full bath - perfect for a home gym, media room, or office. Recent upgrades include new heat pumps, an 80-gallon heat pump water heater, and LED lighting for efficient, year-round comfort. Ideally located minutes from Cumberland's top-ranked schools (U.S. News & World Report), the coastline, and Cumberland and Falmouth town landings with nearby marinas for boaters. Stroll or bike on scenic trails at Twin Brook and Falmouth Town Trails. Enjoy nearby golf, pickleball, and tennis at Val Halla, The Woodlands, Falmouth Country Club and Toddy Brook. With I-295 just 5 minutes away and Portland 10 minutes down the road, this property offers the perfect blend of privacy and convenience.