Live your best life in the heart of Vaughan's prestigious Patterson community - Upper Thornhill Estates! Welcome to 4 Alex Black St, this elegant 4-bedroom fully detached home is the perfect blend of sophistication, comfort, and convenience. This beautifully upgraded and maintained residence boasts 9-ft ceilings on main, about 11 ft vaulted ceilings in family room, updated wide plank hardwood floors throughout 1st and 2nd floor, smooth ceilings throughout (no popcorn!), pot lights, custom Zebra blinds throughout, and a finished basement. The bright, open-concept layout is perfect for modern family living. Offers excellent layout with double entry doors and a sunken foyer; living and dining room leading to the eat-in kitchen which overlooks family room; vaulted ceilings in inviting family room with West exposure and a gas fireplace with 2 sliding doors to walk-out to your private backyard finished with stone patio; 4 spacious bedrooms upstairs; primary bedroom with a 5-pc ensuite and a walk-in closet! The finished basement offers endless possibilities - a recreation area, home gym, office, or media room - your choice! Enjoy peace of mind with major updates: roof (Sept 2025), furnace (Feb 2023), dishwasher (2023), fridge (Nov 2022), washer (Aug 2021), microwave (2017), hot water tank (2020). Nestled in a family-friendly community close to top-ranked schools, beautiful parks, walking trails, shopping, and transit, this home offers everything a growing family needs to live, learn, and thrive. Don't miss this rare opportunity to own a meticulously maintained home in Vaughan's premier Patterson neighborhood - where comfort meets class! Visit and fall in love with your next chapter in Upper Thornhill Estates! Move in ready, just bring your furniture & enjoy!