Welcome to a masterfully upgraded, state-of-the-art residence that seamlessly blends sophisticated modern design, advanced technology, and ultimate comfort. Perfectly positioned on a quiet street in prestigious Thornhill Woods, this home showcases custom finishes, soaring smooth ceilings, expansive windows inviting natural sunlight, and a dramatic architectural open staircase. A dedicated main-floor office with lightning-fast fiber-optic internet connectivity provides the perfect work-from-home setup. At the heart of the home is a grand chef's kitchen equipped with high-end appliances, custom countertops, a convenient wall pantry, a massive breakfast bar, and a built-in central vacuum floor inlet. The kitchen flows seamlessly into a family room anchored by a cozy gas fireplace, while the elegant living and dining areas stand ready for formal entertaining and large family gatherings. Upstairs, the primary suite serves as a serene sanctuary featuring a spacious walk-in closet with custom organizers and a spa-inspired ensuite with heated marble floors, a MAAX jacuzzi hot tub, and a TOTO washlet. The remaining bedrooms provide ultimate convenience and privacy, boasting private ensuite bathrooms along with walk-in and double closets equipped with built-in organizers. A functional main-floor laundry/mudroom comes complete with a utility sink and a custom closet organizer. The fully finished lower level significantly expands your living space, offering an additional bedroom, an outstanding full bathroom, and a kitchen/wet bar rough-in. The entire property is serviced by a central vacuum system, featuring a convenient Chameleon hose extension on the main floor. This high-security home offers total peace of mind with a reinforced security front entrance door, anti-theft enhancements, and a remote-monitored three-camera video surveillance system.