Nestled on a quiet, tree-lined street in the prestigious Thornlea community, this rarely offered 4+3 bedroom family home offers approximately 3,600 sq. ft. of above-grade living space in one of Markham's most desirable neighbourhoods. Surrounded by mature trees and located in a peaceful, family-friendly area, this home features a spacious kitchen with granite countertops, stainless steel appliances, custom backsplash, oversized pantry, and a walk-out to a large deck overlooking the beautiful backyard and pool. The main floor offers a generous family room with a built-in wall unit and fireplace, a private office with custom built-ins, and a convenient laundry room with side entrance. Upstairs features three full bathrooms, including a spacious primary suite with multiple closets and a 5-piece ensuite. The finished basement features two separate self-contained units with private entrances. One unit offers two bedrooms, while the other includes one bedroom. Each unit has its own kitchen and full bathroom, with a shared laundry area, making it ideal for rental income, extended family, or guests. An additional storage area is also available for the main floor, providing the perfect space for extra storage or a second refrigerator/freezer. Located within walking distance to parks, top-rated schools, and transit, this exceptional home combines privacy, functionality, income potential, and an unbeatable Thornlea lifestyle.