21 Don Ridge Drive, Toronto, ON M2P 1H3

Set On A Spectacular Ravine Lot, 21 Don Ridge Is A Remarkable Custom Residence Designed And Built By Renowned Architect Lorne Rose. A Refined Expression Of Timeless Architecture, Pairing An Elegant Palette With Elevated Interiors, 10ft Ceilings And Impressive Wainscotting And Millwork Throughout, Plus Generously Proportioned Principal Rooms For Everyday Living And Entertaining. A Sun-Filled Main Floor Office/Study Offers The Perfect Work-From-Home Retreat. The Kitchen Anchors The Home With Custom Cabinetry, Sub-Zero And Wolf Appliances And A Large Centre Island With Butler's Pantry. The Primary Retreat Overlooks The Rear Grounds, With A Statement Gas Fireplace, Custom Built-Ins, His-And-Hers Walk-In Closets And A Spa-Like Ensuite. Heated Floors Run Throughout, And The Lower Level Features A Temperature-Controlled Wine Cellar. 5 Bedrooms, 7 Bathrooms & A 3-Car Heated Garage. Mature Landscaping Surrounds A Private Heated Pool. Moments To Top Private Schools, TTC And Rosedale Golf Club.

• 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

Also checked, nothing flagged at this location: flood hazard mapping, provincially significant wetlands, heritage conservation districts, the Greenbelt, 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.