Welcome to 4 Iroquois Avenue, this ultra high-end custom semi-detached home has custom millwork with solid maple drawers, Italian and Spanish tiles and countertops and marble, and high-end appliances. The bespoke residence has been thoughtfully curated with modern designs, offering over 4,100 square feet of finished living space. A striking Indiana limestone facade, elegant mansard roof, and ornate window surrounds deliver exceptional curb appeal. As you enter, the open-concept layout features soaring ceilings, oversized windows, and curated finishes throughout. The kitchen is a showpiece, complete with Silestone countertops, a Franke farmhouse sink, Fisher & Paykel appliances, a hidden walk-in pantry, and custom cabinetry by Wood Studio with Blum and Hailo hardware. The living area centres around a Napoleon gas fireplace with a custom marble surround, built-in wall unit, and layered lighting from Prima Lighting. Upstairs, you'll find four spacious bedrooms, including three with private ensuites. A top-floor loft opens to a private terrace, ideal for a studio, office, or quiet retreat. The lower level, with an enclosed separate staircase and entrance, is easily convertible into an in-law suite, nanny quarters, or future rental opportunity. Additional features include a 10-inch concrete block party wall with sound insulation, whole-home water filtration, ethernet wiring with boosters, a five-camera security system, imported tiles from Ciot, Carrier furnace and A/C, curb-less showers, a Mirolin soaker tub, spray foam insulation, a structural slab garage with lower-level storage, and a fully epoxied garage floor. Located minutes from Mentor College, Port Credit, and Clarkson Village, with boutique shopping, dining, and waterfront trails at Rattray Marsh nearby. Quick access to downtown Toronto via GO Train or the QEW. This residence presents an exceptional opportunity to own in one of Mississauga's most coveted neighbourhoods.