Discover unparalleled luxury and sophisticated living, a meticulously designed custom home nestled in a prestigous area. Boasting approx over 9,000 sqft of opulent living space, this residence epitomizes elegance and grandeur. The high ceiling foyer, adorned with marble flooring and skylights, welcomes you into large principal rooms that flow seamlessly in an open-concept layout. O/C living and dining room features a custom marble fireplace and meticulously crafted wainscoting that extends throughout the main floor. The extraordinary chefs kitchen is equipped with high end appliances, grand centre island, large breakfast area, and a walk-out to the deck. The spacious family room offers a cozy fireplace, custom built-in shelving, and a sliding door walk-out to the private backyard. Work and relax in the wood-paneled office/library, complete with custom built-in shelving. Upstairs, features 5 spacious bedrooms. The primary bedroom suite is both spacious and grand, including a serene sitting area, his and hers walk-in closets, and a luxurious 5-piece ensuite with a skylight. The extensive basement is an entertainers dream, complete with a wet bar, recreation room, family, dining room and a bedroom with a 3-piece ensuite. Step outside to a very wide & private, landscaped backyard that offers a serene retreat from the hustle and bustle of daily life. Enjoy the flagstone patio, the tranquil waterfall and pond, a secluded gazebo, and a wooden deck. 159 Old Yonge Street is not just a home; it's a statement of luxury and refined living. Experience the best of prestigious style and gracious living in one of the most sought-after neighborhoods. Dont miss the opportunity to make this exquisite property your own.