Premium Pie-Shaped Ravine Lot in Prestigious Upper Thornhill Estates! Experience executive luxury living in this stunning residence offering approx. 3, 730 sq. ft. plus 1, 336 sq. ft. of finished walk-out basement with a customized floor plan. Grand open-to-above foyer, 10' ceilings on main, smooth ceilings throughout, pot lights, oversized windows, 8' upgraded doors, crown moldings, custom frames, arches & columns. Elegant stone exterior with precast arches and fascia, oak staircase with custom metal railings, and engineered hardwood floors on main & second levels. Freshly painted interior. Sun-filled south-facing family and breakfast rooms with fireplace. Custom gourmet kitchen featuring granite countertops, backsplash, built-in stainless steel appliances, and walk-out to deck overlooking the ravine. Four ensuite bedrooms with custom closet organizers, including a spa-inspired primary retreat with his & hers walk-in closets. Finished walk-out basement offers a large recreation area, wet bar, sauna, steam shower, and direct access to the professionally landscaped backyard oasis with exterior lighting, automatic sprinkler system, and upgraded garage doors. Prime location - walk to parks, trails, shops, and top-ranked schools!