Nestled within Robert Home Smith's master-planned "Bridge End" and "Old Mill" subdivisions of the Humber Valley Surveys, 66 Old Mill Road is a rare piece of architectural history. Built in 1946, this original 3-bedroom, 2-bathroom stone home exemplifies Home Smith's strict design principles, showcasing iconic elements including striking stone accents, prominent gables, and classic leaded glass windows. Set on an exceptional plot featuring 100 feet of frontage directly on Old Mill Road, the property boasts abundant tableland overlooking breathtaking views of the Humber River. Inside, the home retains its rich character and original craftsmanship. Highlights include a bright primary bedroom with a separate dressing room and a walkout to a private balcony overlooking the river, as well as a finished lower-level family room with a seamless walkout to the grounds. A blank canvas with incredible original and charming details, ready for your unique touch! Complete with two private driveways and detached garage, this prime address offers an unmatched setting just steps from the Old Mill Subway Station, the historic Old Mill, and the scenic trails of Humber River Parkland.