An exceptional custom-built luxury residence set on an expansive 45 x 240 ft premium lot in the heart of prestigious South Richvale, surrounded by distinguished multi-million-dollar estates. This bright, south-facing home presents an elegant natural stone exterior and refined architectural presence, complemented by soaring 10-foot ceilings on the main level and 9-foot ceilings above. Thoughtfully designed interiors showcase impeccable craftsmanship, featuring a bespoke gourmet kitchen with an oversized centre island, granite countertops, and integrated high-end appliances, seamlessly flowing to a walk-out breakfast area and private patio. Rich hardwood, limestone, and marble flooring anchor the home's sophisticated aesthetic, enhanced by extensive wainscoting, chair rail detailing, skylight, and three beautifully appointed fireplaces. A custom-designed office with coffered ceiling and built-in shelving offers an ideal executive workspace. The professionally finished walk-up basement is filled with natural light and includes above-grade windows, a generous L-shaped recreation area, additional bedroom, and full bathroom, perfect for extended family or entertaining. Additional highlights include a rare tandem three-car garage, interlock driveway and patio, heated floors, built-in furnishings, sprinkler and alarm systems, and abundant pot lighting throughout. Ideally positioned within walking distance to Yonge Street, top-ranked schools, public transit, and just minutes to Highway 407, this residence delivers refined luxury living in one of Richmond Hill's most coveted enclaves.