Situated on one of Westmount's most sought-after streets, this exceptional Royal Pine-built detached residence offers over 4,900 sq. ft. of beautifully finished living space, combining timeless elegance with extensive top-to-bottom renovations. Designed for modern family living, this impressive home features 4+1 bedrooms, 5 bathrooms and an outstanding open-concept layout with generously proportioned principal rooms throughout. The main level is both sophisticated and functional, highlighted by a dramatic living room with soaring open-to-above ceilings, an elegant dining room for formal entertaining, a stunning renovated chef's kitchen with an expansive breakfast area, and a large sunken family room that creates the perfect space for everyday living. A dedicated main floor office provides an ideal work-from-home environment or quiet study. Upstairs, the luxurious primary retreat offers a beautifully renovated spa-inspired ensuite and separate his-and-her walk-in closets. A second bedroom enjoys the privacy of its own ensuite, while two additional generously sized bedrooms share a well-appointed Jack-and-Jill bathroom, providing exceptional accommodation for a growing family. The professionally finished lower level adds almost 1,500 sq. ft. of additional living space, featuring a spacious recreation room, a fifth bedroom, a full bathroom, and exceptional flexibility for extended family, guests, or recreation. Perfectly positioned within walking distance of Westmount's award-winning schools, parks, scenic trails and recreation facilities, and offering convenient access to Bronte GO Station, public transit and major highways, this is a home that delivers both luxury and lifestyle. Substantial family homes of this calibre, quality and size are seldom offered for sale in Westmount. 2067 Helmsley Avenue presents an exceptional opportunity to own one of the neighbourhood's finest residences.