18 Mill Street, Vaughan, ON L4J 8C5

Escape the city to this architecturally stunning ranch bungalow, a rare offering on an incredibly private ravine lot overlooking the East Don River, nestled between Thornhill Park and the distinguished Thornhill Golf and Country Club. Boasting over 5,800 sq. ft. of living space across two levels, the main floor features a spacious layout with four bedrooms, an office, a grand great room with soaring cathedral ceilings and wall-to-wall windows, a modern kitchen, a laundry room, and a library, all accented by traditional masonry and unexpected modern design elements. Additionally, this unique property includes an inviting indoor pool and multiple walk-outs to a multi-tiered deck and hot tub, making it a serene retreat in one of the area's most exclusive settings, with over 350 ft. of frontage backing onto the picturesque Don River and golf course views. Visualize the potential of this double lot property with rendered photos that showcase the possibilities for maximizing the breathtaking views and tranquil surroundings. *Some photos are rendering images, while others show the property as it was furnished prior to the current tenants occupancy*

• Inside a conservation-regulated area

  A conservation-authority permit may be required for building, grading or landscaping — confirm scope with the authority.

  Source: TRCA Regulation Limit (2025) · as of Sep 2026

• Inside Ontario's Greenbelt plan area — Urban River Valley

  Greenbelt policy limits new development — confirm permitted uses before planning a build or severance.

  Source: Ontario GeoHub — Greenbelt Designation · as of Sep 2026

Also checked, nothing flagged at this location: flood hazard mapping, provincially significant wetlands, the Oak Ridges Moraine, the Niagara Escarpment plan, areas of natural and scientific interest, rail corridors, hydro transmission corridors.

Screened against public government mapping at this home’s location — simplified boundaries, not a survey, an appraisal or a legal determination. Confirm anything that matters with the authority named.