Introducing 418 W County Line Road, a rare and refined estate offered for the first time, gracefully positioned on over five acres of manicured grounds just moments from downtown Barrington and directly across from the prestigious Barrington Hills Country Club. A lighted tree-lined drive leads to this expansive ranch-style residence featuring over 5,500 square feet of finished living space, five generously sized bedrooms, and five spa-inspired baths. The sunken great room with soaring ceilings flows seamlessly into a bluestone patio ideal for elegant entertaining. The chef's kitchen is appointed with Viking appliances, quartz countertops, and a spacious breakfast area, while the dramatic dining room offers warmth and sophistication with its own fireplace. The luxurious primary suite boasts a private deck, fireplace, and a serene bath retreat with soaking tub and separate shower. A dedicated office connects to a private upper-level bedroom with full bath and finished attic, perfect for a guest suite or in-law arrangement. The walkout lower level is designed for gatherings with custom built-ins, a wet bar, wine room, and expansive lounge space. Timeless architectural details, and a location within the highly acclaimed Barrington 220 school district, this exceptional home offers a rare blend of privacy, prestige, and proximity.