Welcome to 139 Orr Avenue, where over 13,000 Sq. Ft. of custom built luxury awaits in one of the GTAs most prestigious neighbourhoods. The striking Indiana limestone, solid brick and DuRock stucco exterior accented by copper roofing and low E, argon filled wood clad windows sets the tone for the handcrafted details within. Step through custom walnut and stained glass doors into a marble foyer and you will discover solid poplar and cherry doors, hand stained maple stairs, walnut and oak floors, plus hand painted Bloomsbury maple and cherry cabinetry throughout. Radiant in floor heating on every level (with solar ready hookups), high velocity A/C, HRV exchangers and steam humidifiers ensure comfort year round. The main floor flows effortlessly from formal dining and music rooms to a sunken family room anchored by a stone faced fireplace. The chefs kitchen features Viking appliances, a spacious island, plenty of counter space, and a bakers kitchen for seamless entertaining. Upstairs, seven generous bedrooms each offer custom closets, private ensuites and built in study nooks, while the loft provides versatile lounge or play space. Downstairs, the fully finished basement is your ultimate retreat with a second kitchen, entertainment area with built-in 5.1 Grohe speakers and stone accents, gym, wine cellar, and spacious laundry room with laundry chute plus direct walk up access to the backyard. Outside, flagstone porches, landscape lighting, mature trees and an integrated sprinkler system complete this truly exceptional estate. The heated four car garage with workshop provides ample space for parking and storage. Located just minutes from top schools, parks, Vaughan Mills, Rutherford GO Station, VMC subway station, Canadas Wonderland and highways 400, 407 and 7.