Approx. 18,000 SqFt Of Custom Architectural Estate Living In Prestigious Fairfield Estates, King Township. This exceptional residence showcases grand scale, refined craftsmanship, and thoughtfully designed spaces throughout. A dramatic two-storey foyer opens to elegant principal rooms, including a formal sitting room, dining room, and a breathtaking great room with approx. 25.5-ft ceilings and floor-to-ceiling windows. The chef's kitchen is complemented by a fully equipped service kitchen and overlooks the backyard, pool, and cabana. The main level offers a private bedroom suite, conservatory/office wing, spacious mudroom, pet wash station, elevator, and main-floor laundry. A 4-car garage inc EV charging, multiple openers, and direct interior access. The upper level features multiple bedroom suites, elevator access, an open gallery overlooking the great room, a library with private balcony, additional laundry, and sitting area with walkouts to balcony. The primary retreat occupies its own wing and includes a boutique-style dressing room with centre island, spa-inspired ensuite with steam shower and soaker tub, and a walkout to the balcony spanning the rear of the home with views of the pool and countryside. The lower level includes a large rec rm with walkout, a music rm, extensive storage, a full kitchen, bedroom suite, movie theatre and a wellness area w/sauna & steam rm. Finished with quartz countertops throughout, hardwood & porcelain flooring, 8-ft doors, multi-zone HVAC, security system, and cameras. Private well and septic. A rare opportunity to own a thoughtfully designed estate offering luxury, comfort, and modern infrastructure!