Welcome to 1 Brookside Dr! An exceptional opportunity awaits in one of Streetsville's most vibrant neighbourhoods, where this custom-built residence offers nearly 4,000 SF of refined living space on an impressive 163-ft deep lot. Modern architecture, soaring 11-ft ceilings on the main level, 10-ft ceilings on the second floor, expansive windows & sophisticated designer finishes combine to create a functional yet elegant family home. The chef-inspired kitchen is beautifully appointed w/ quartz countertops, premium cabinetry, a waterfall centre island & breakfast area, seamlessly connecting to the spacious living room anchored by a striking feature fireplace overlooking the expansive backyard. A private main floor den provides the ideal space for a home office or professional workspace. The upper level reveals a luxurious primary retreat featuring a spa-inspired 5-pc ensuite & walk-in closet, while three additional bedrooms offer generous proportions w/ ensuite or semi-ensuite access, complemented by the convenience of second-floor laundry. The finished lower level extends the home's versatility w/ two additional bedrooms, a full bath & an expansive recreation area, ideal for extended family, entertaining or future customization. Adding tremendous long-term value, the property presents exciting possibilities through professionally designed concepts envisioning a detached additional dwelling unit & the potential for a future separate basement apartment w/ a private below-grade entrance, creating exceptional flexibility for multi-generational living, private guest accommodations, executive home offices or future income potential. Outdoors, the expansive grounds provide exceptional space for recreation, entertaining & future enjoyment. Ideally located just moments from Streetsville Village, GO Transit, top-rated schools, parks, shopping centres, vibrant restaurants & major highways 401, 403 & 407.