Welcome to 736 Harry Douglas St, Above Grade 3000sq ft by Builder floorplan, a south-facing, sun-filled home in Newmarket's sought-after Stonehaven community, tucked into a quiet pocket on a premium 40.06x 120.93ft lot, backing onto a private, tree-screened outlook with no rear neighbours. Nearly 4,300 sq ft of finished living space (including finished basement) with 4 bedrooms and 4.5 baths, starting with 10-ft ceilings and pot lights on the main floor: upgraded hardwood on both the main and upper levels, an oversized family room with a bow window, and an upgraded kitchen with a breakfast area and 24x24-inch porcelain tiles.Upstairs, 9-ft ceilings, 4 bedrooms plus a media room that easily becomes a 5th bedroom, a primary suite with its own 5-piece ensuite, and upstairs laundry.The finished basement is a wide-open media space with abundant storage. 200 AMP. Whole-home water softener and central humidifier, freshly painted throughout, brand-new sod, freshly sealed asphalt driveway, and modern high-end lighting - maintained to a standard you can feel the moment you walk in. Double-car garage with driveway parking for 4 more.Minutes to Hwy 404, close to Aurora GO stations, top-rated schools, French Immersion and IB nearby, Magna Centre's rinks and pools, parks, trails, T&T Supermarket, shopping and dining.A rare near-new home in one of Newmarket's most established neighbourhoods. A must-see!