Nestled along a scenic country road near the hamlet of Mountainville, Mavin Hill is a sophisticated Country Colonial offering the perfect balance of timeless charm and modern luxury. Flooded with natural light, this custom-built home showcases stunning craftmanship, from intricate moldings to red oak hardwood floors and oversized windows throughout. Designed with entertaining in mind, the home features generously scaled principal rooms and a seamless indoor-outdoor flow. At the heart of the home, the Chef's Kitchen impresses with new quartz countertops and sink ('25), abundant cabinetry, a sunny breakfast area, and premium appliances including a new Viking 6-burner cooktop ('25), Bosch dishwasher, and SubZero fridge. Relax on the deck or enjoy the heated, saltwater pool and spa, beautifully integrated into the landscaped grounds. Perfect for extended guests or in-law suite, the home includes a secondary entrance and rear staircase to two potential guest areas-each with their own full bath. The luxurious primary bathroom was fully renovated in '25 and additional bathrooms were updated and refreshed. Other major updates include a new roof ('25), lower-level HVAC ('24), new driveway ('25), and pool cover ('25).Located approx 4 miles from Rte 78 and 22, with quick access to shopping, fine dining and Newark Airport (45 mins). Tewksbury Twp is known for its natural beauty, preserved lands and excellent schools. Golf clubs, equestrian facilities and trails for hiking nearby.