Introducing 174 Mactier Drive a refined and luxurious residence nestled in the heart of prestigious Kleinburg where elegant wainscoting thoughtfully designed and meticulously upgraded, this 4+1 bedroom, 5-bathroom and BONUS ROOM (Rec. or Office) home offers an exceptional layout of finished living space, including a basement in-law suite with a legal private entrance. From the moment you step through the double front doors, you're welcomed into a grand foyer with smooth nine-foot ceilings, rich hardwood flooring, and a sun-filled formal living room. A wide central hallway leads to a powder room and an expansive formal dining area, ideal for hosting. At the heart of the home is a chef-inspired kitchen featuring stainless steel KitchenAid appliances, appliance tower, modern cabinetry with integrated spice racks and a lazy Susan, quartz countertops, and an oversized island. A cozy breakfast nook opens seamlessly to the fenced backyard, complete with stamped concrete. Just beyond the kitchen, the open-concept great room centers around a warm fireplace. The main level also offers a functional laundry room with built-in cabinetry and overhead storage, as well as convenient interior garage access. Upstairs, the primary suite is a peaceful retreat with double door entry, his and hers closets outfitted with custom built-in organizers, and a beautifully appointed 5-pc ensuite. A secondary bedroom with a private 3-pc ensuite, plus two additional bedrooms connected by a shared 3-piece bath, complete the upper level. The fully finished basement is a true highlight professionally built featuring its own legal separate entrance, sunlit bedrooms, a full modern 3-piece bath, a kitchenette, spacious living area, and dedicated home gym and a versatile bonus room ideal as a home office, den, or playroom. A full laundry room and cold cellar add to its functionality. Additional upgrades include EV charging, exposed aggregate concrete front porch. (Pictures have been virtually staged)