This stunning Chateau-style residence is gracefully situated on coveted Chateau Drive in the prestigious Carolands area of Hillsborough. Set on approximately .77 acres of gated grounds with Bay views, a circular driveway, and lush mature landscaping, this private estate is offered for the first time since its original construction. Spanning over 4,200 square feet, the home reflects timeless architecture, grand proportions, and light-filled interiors. A gracious entry opens to an expansive living room anchored by a marble fireplace, an adjoining library, and dramatic arched windows framing serene views. The elegant dining room with coffered ceilings and intricate hardwood floors is ideal for entertaining, while multiple covered verandas create seamless indoor-outdoor living. The home offers 4 bedrooms and 3.5 bathrooms, including a lower-level retreat with closet, fireplace, and patio access, well suited for guests, a private office, or extended living. Featuring a spacious family room, dry sauna, 3 fireplaces, dual laundry areas, and a 3-car garage w/ additional driveway parking. Mostly level grounds enhanced with fruit trees offer potential for a pool or ADU, creating a private estate-like setting. A rare offering in a premier sought after location.