Rare offering on sought-after UPPER WASHINGTON AVE! This classic 6BR 5.1BATH Center Hall Colonial was thoughtfully RENOVATED AND EXPANDED in 2012, blending timeless elegance with modern luxury across FOUR finished levels. Privately set on a level HALF ACRE, the home offers exceptional indoor-outdoor living. The heart of the home is the gourmet Kitchen featuring a large center island, custom white cabinetry, marble countertops and high end appliances including a Viking 6-burner cooktop with griddle. The Kitchen opens seamlessly to the sun-filled Family Rm with stone fireplace, coffered ceiling, built-ins and dramatic 4-panel glass doors overlooking the idyllic backyard. The Formal Dr with Butler's Pantry is ideal for entertaining. The Primary Suite is a serene retreat with a marble-surround fireplace, vaulted ceiling, private Balcony, spa-like Bath and 2 Walk-In Closets. In-Law/Nanny Suite with full BA and Kitchenette is perfect for extended guests. Enjoy outdoor entertaining on the Trex deck featuring a built-in stone fireplace or relax on the patio around the fire-pit with built-in seating. Lower level offers a Recreation Rm with fireplace, a Game Rm, and a versatile room ideal for a Gym or a Media Rm. Additional highlights: private, first floor Office, 4 fireplaces, expansive Mudroom, walk-in Pantry, ceiling speakers, intercom system and a whole house generator. WALK TO EVERYTHING: top-rated Chatham schools, NYC direct train, and charming downtown. Your dream home awaits!