Stunning Detached Home in prestigious Upper Thornhill Estates in Patterson! On a Premium corner lot with expansive backyard, this exceptional 4-bedroom, 3-bathroom residence offers the perfect blend of elegance, space and functionality. Ideally located steps away from top-rated Herbert Carnegie Public School, it's the perfect home for growing families. Step inside and experience the grandeur of soaring ceilings in the spectacular open-to-above great room, flooded with natural light, creating a grand inviting atmosphere. A stylish gas fireplace adds to the welcoming ambiance. The beautifully appointed kitchen offers abundant upgraded cabinetry and generous prep space with ornamental granite countertops. This, combined with an elegant formal dining room, provides an optimal setting for everyday family living and entertaining. An upgraded oak hardwood staircase with elegant metal spindles leads to 4 spacious bedrooms accentuated with exotic Tigerwood flooring. The luxurious primary retreat boasts a sizeable covered balcony, park view, and spa-inspired ensuite, with shower and soaker tub-a perfect place to unwind. Outside is a large fully fenced backyard, complete with maintenance-free PVC deck, gas bbq hookup, and majestic mature trees. A large shed with electric hookup is an ideal location for a workshop/hobby space. Rest easy knowing that major updates are completed: new roof, new furnace and new water heater . With premium upgrades, generous living spaces, an impressive corner lot and an unbeatable location near parks, trails, shopping, the 407, and top-rated schools, this is a rare opportunity to own an outstanding home in one of Patterson's most desirable communities.