Welcome to the ultra rare opportunity at 12490 Mill Road in King City. This magnificent estate offers 86.4 spectacular acres on the prestigious boundary of Vaughan, just south of King Road. This property unfolds a distinguished estate masterclass in privacy and scale. A Grand gated entrance with a tree-lined drive to a 4-bedroom brick home overlooking a 1 Acre aeriated pond & pool. Farmed acreage for Favourable tax status. 16,000 square foot Large barn, two steel-sided driveshed, and 5-car garage. Mill Road paving planned this year (2026) Large, contiguous parcels of this caliber, particularly along the Vaughan boundary-rarely seldom become available.