187 Steam Whistle Drive, Whitchurch-Stouffville, ON L4A 4X5

A truly one-of-a-kind executive residence backing onto protected forest, offering over 4,500 sq. ft. of beautifully finished living space. Professionally decorated by Kimmberly Capone Interior Design and enhanced with over $750,000 in upgrades, as reported by the seller, this exceptional home was designed for luxurious everyday living, entertaining and multigenerational living. A private Savaria elevator connects all three levels, with upgraded soundproofing and solid-core doors enhancing privacy. Soaring 10-ft. main-floor ceilings, 9-ft. ceilings upstairs and an impressive 9-ft. finished walkout basement, bring your golf simulator! Oversized windows, 8-inch-wide oak flooring, designer lighting and extensive custom millwork featuring cornice mouldings, coffered and waffle ceilings showcase exceptional attention to detail. The showpiece chef's kitchen features Wolf and Sub-Zero appliances, porcelain countertops and an oversized island. The adjoining family room is anchored by a striking stone-surround gas fireplace. Four bedrooms and three upper-level bathrooms include heated floors. The luxurious primary retreat features a custom walk-in closet and spa-inspired ensuite with soaker tub, glass shower and dramatic double-sided gas fireplace. Outdoor living overlooks the protected forest with a covered concrete loggia, frameless glass railing and two electric heaters. The finished walkout opens to a covered patio and fully fenced backyard. An oversized double garage completes the property. Ideally located near new Catholic elementary and high schools, parks, tennis and pickleball courts, and a splash pad. A rare opportunity where luxury, privacy, thoughtful design and functionality come together. Includes security cameras.

• Inside Ontario's Greenbelt plan area — Oak Ridges Moraine Conservation Plan

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

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

• Inside the Oak Ridges Moraine plan area — Settlement Area

  Moraine conservation policy constrains development — confirm this parcel's land-use designation.

  Source: Ontario GeoHub — Oak Ridges Moraine Land Use Designation · as of Sep 2026

Also checked, nothing flagged at this location: flood hazard mapping, conservation-regulated areas, provincially significant wetlands, 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.