Welcome to a meticulously maintained Custom Colonial in the Hill Section of Boonton. This home offers upscale living, designer-level finishes, and exceptional curb appeal in one of Boonton's most desirable neighborhoods. A charming front porch, professional landscaping with a fenced-in yard, paver driveway and walkways, and exterior uplighting create warm first impressions. Inside, this 4-bedroom + office, 2.5-bath home showcases beautiful natural light, and a flowing layout for both everyday living and entertaining. The spacious main level invites living and dining spaces with a beautifully appointed kitchen with Thermadore appliances and a Sub-Zero refrigerator/freezer, warming drawer, a Trex side deck, and a back room addition that can be used for recreation, or a first floor bedroom. Upstairs, 3 generously sized bedrooms, including a primary suite retreat, plus an office/potential 5th bedroom, provide comfort and versatility. Below, a walk-out basement offers additional potential for fitness, media space, crafts, or extended entertaining options with direct outdoor access. The pristine condition reflects true pride of ownership. Conveniently located near downtown Boonton shops, restaurants, parks, major highways, and NJ Transit access, this exceptional property blends timeless style with modern convenience. Come experience all that 303 Highland Ave has to offer.