Welcome to this beautifully maintained 4-bedroom detached home, ideally located in the heart of the highly sought-after Unionville community. Situated on a rare and premium 50 x 135 ft large lot, this property is nestled on a quiet, family-friendly street and offers timeless curb appeal with a functional layout perfectly suited for everyday family living. Over $200K in upgrades completed since 2021 provide both peace of mind and modern comfort. Recent improvements include roof insulation and sheathing (2025), updated windows including basement windows (2013-2024), sliding door to backyard (2024), front and back interlocking (2023), air conditioner (2025), and furnace (2025). Interior upgrades feature all new closets and high-quality cabinetry (2024), an upgraded and enlarged basement drainage system (reducing risk of clogging), roof & gutter de-icing system, replaced front entrance aluminum panel, Waterproofing Basement 2015, new refrigerator (2025), main floor powder room renovation (2025), and flooring, kitchen, and second-floor bathroom renovation (2019-2020). The finished basement offers a spacious and versatile recreation area with laminate flooring and pot lights-perfect for a home gym, entertainment space, or kids' play area. Step outside to a beautifully landscaped backyard featuring a large interlocking patio, mature trees, and a private, fully fenced yard-an ideal outdoor setting for entertaining, family gatherings, or simply relaxing in your own peaceful green space. Large lots like this are increasingly rare in mature Unionville neighbourhoods. A double car garage and wide driveway provide ample parking. Located within top-ranking Unionville school zones and just minutes to parks, trails, Main Street Unionville, shopping, restaurants, transit, and major highways. A rare opportunity to own a truly move-in ready home on a premium lot in one of Markham's most prestigious and established neighbourhoods. Must see!