Now offered at exceptional value, 335 Lytton Boulevard presents a rare opportunity to acquire a custom-built residence of this scale, quality, and design. Offering approximately 7,500 sq. ft. of thoughtfully designed living space across four exceptional levels, this meticulously crafted family home was designed by Lorne Rose with interiors by Nazem + Rose to elevate everyday living. The dramatic 20-foot family room anchors the main level, seamlessly connecting to a chef's kitchen with Sub-Zero refrigeration, a 60" Lacanche range, marble waterfall island, and a fully equipped service kitchen with top-of-the-line appliances. The primary suite offers bespoke millwork, an ethanol ventless custom fireplace, dual walk-in closets, and a spa-inspired steam ensuite. The third floor adds exceptional versatility, featuring a cozy lounge/family space ideal for children along with a private office that opens to its own balcony, creating a quiet retreat within the home. The lower level is designed for the ultimate indoor-outdoor lifestyle, featuring a bar, wine cellar, gym, dry and steam saunas, and radiant heated floors throughout. Outside, enjoy a private resort-inspired setting with a heated terrace, concrete pool, basketball court, and outdoor kitchen. Complete with an elevator, heated driveway, snow-melt system, and full Control4 home automation, this is a rare offering in one of Toronto's most prestigious neighbourhoods.