Nestled at the end of a private cul-de-sac in a serene Atherton neighborhood west of Alameda de las Pulgas, 86 Belbrook Way is a rare and beautiful estate on a flat, one-acre+ lot. A long paver driveway with guest parking leads to two structures: a main residence and a guest/pool house (ADU) with an attached four-car garage. Inside the main home, soaring vaulted ceilings with exposed beams, rich hardwood floors, and floor-to-ceiling windows create a bright, open living and dining area. A stone fireplace adds warmth and elegance. The adjacent eat-in kitchen features granite countertops, high-end appliances, abundant cabinetry, and a cozy breakfast nook. French doors open to a patio connecting the guest house and backyard. Three spacious bedrooms and three full baths include a vaulted-ceiling primary suite with its own fireplace and private access to the yard. The resort-style backyard boasts manicured lawns, a sparkling pool/spa, lush landscaping, and fruit trees.The guest house offers a full kitchen, open living area with fireplace, wet bar, wine cellar, and shaded veranda. The detached garage includes laundry, storage, and workspace. Located near top schools and major routes, this private estate blends luxury, space, and convenience.