Welcome to 46 William Street, East Gwillimbury. Discover this beautiful 5-bedroom (plus 2 in the basement) detached home situated on an impressive 92x158 ft deep lot in a prime East Gwillimbury location. This exceptional property backs onto peaceful green space and nature,offering unparalleled privacy and tranquility. The main level features an open-concept living and dining room with walkout access to your private oasis. The eat-in kitchen boasts stainless steel appliances, elegant granite counters, and stylish backsplash, with a breakfast area leading to the rear deck. A cozy family room with gas fireplace and convenient main floor bedroom/office complete this level. Upstairs, the master bedroom retreat includes a 4-piece ensuite and walk-in closet, complemented by three additional well-appointed bedrooms with ample closet space. The fully finished lower level provides exceptional versatility with additional bedrooms, a spacious rec room/kitchen, plus a legal separate entrance. This home is ideal for multi-generational living. The backyard is an entertainer's dream: fully fenced for privacy, featuring a sparkling heated saltwater inground pool with new liner (2025), pool house and surrounded by lush greenery with parkland views. A three-car garage provides abundant storage and parking. Perfectly positioned close to schools, parks, transit, and all amenities.