Welcome to 876 William Lee Ave in Oshawa, a beautifully upgraded 4+1 bed, 4-bath family home with a spacious and functional layout. With over 3500sqft of living space this stunning residence features upgraded hardwood flooring, upgraded hardware and light fixtures throughout, and has been recently painted. The main level offers a bright open-concept design with large windows, pot lights, and a family room that flows into a gourmet kitchen. The kitchen boasts granite countertops, stainless steel appliances, upgraded cabinets with ceiling-height uppers, a backsplash and pantry. Custom drapery, shutters, and front door enhance the home's elegant appeal. Step outside to a fully fenced backyard with an interlock patio and BBQ gas hookup. Upstairs, the primary suite has quartz counters in the 5-piece ensuite and a walk-in closet. 3 additional bedrooms with ample closet space and a convenient laundry room complete this upper level. The finished basement by Penguin Basement adds a rec room, 5th bedroom/guest suite with vinyl flooring, and a Limited Lifetime Warranty. Immaculate curb appeal with an upgraded porch, garage sconces, and a custom interlock walkway leading between homes. Minutes from schools (Trent & Tech University, Durham College), parks, transit, grocery stores and dining. Walkable to public, Catholic and French immersion schools. **EXTRAS*** Living comfort improved with installation of HEPA/UVC/CPO, air cleaner, HRV system and humidifier.