Behind a gated entry on a private cul-de-sac, 1 White Deer Lane sits on three point one acres in Harding Township, bordering Chatham. A 2025-2026 studs-up rebuild with fully custom finishes, the home offers five en-suite bedrooms and six full, two half bathrooms across three floors plus a partially finished basement. The first floor features a designer kitchen with custom island seating five, shiplap ceiling, exposed beams. The family room open to the kitchen offers a soapstone fireplace surround and hearth, custom wet bar and French doors to the bluestone terrace. Directly off of the kitchen, the dining room serves everyday meals and larger gatherings with equal ease. Across the entry hall, the living room holds the home's second fireplace and flows into a sunroom with expansion possibilities, tray ceiling and windows on three sides. The mud room, laundry, full pool bathroom and three-car garage complete this level. Upstairs, the primary suite features a spa-like bathroom and custom walk-in closet with center island. Three additional en-suite bedrooms and a stackable washer/dryer complete the second floor. The third floor adds another en-suite bedroom, ideal as an office or guest suite, cedar closet and walk-in attic. The partially finished basement includes a movie room, home gym, and storage room. Outside, a heated, fenced pool is surrounded by a paver patio. Minutes from Chatham Mall, Madison, Morristown, and Summit nearby. Commutable to New York City via Routes two hundred eighty-seven , seventy-eight , New Jersey Transit , and BoxCar from Madison and Chatham.