107 Trethewey Drive, Toronto, ON M6M 4B6

A rare Custom-Built Legal Duplex Offering over 6,500 Sq. Ft. of Finished Living Space!! Designed for the evolving needs of today families, this thoughtfully designed custom-built legal duplex offers a rare alternative to traditional single-family housing. With the ability to create 1, 2 or 3 fully independent living environments that offers separate mechanical systems (3 electrical panels, 2 furnaces, 2 a/c units, & 2 hot water tanks) and kitchens with exceptional privacy. The home is ideally suited for multi-generational living, shared family ownership, live-and-rent arrangements, or long-term wealth building. Situated on a premium oversized lot (8,260 sq ft) and boasting approximately 4,650 square feet above grade living space and fully finished basement, this home delivers exceptional scale, flexibility, and quality rarely found within the Toronto market. Located 200m from Black Creek access to 400 series highways and 3 bus stops from the new Eglinton cross town Keelesdale Station (corner of Keele/Elinton) making city and downtown commuting very convenient. Seller advises that the basement is a separate self-contained unit with two entrances/exits. The basement is not represented or warranted by the Seller as a legal secondary dwelling unit. Buyer to conduct their own due diligence with the appropriate municipal authorities regarding zoning, permits, building/fire code requirements and any requirements for conversion or retrofit of the basement. Seller makes no representation or warranty regarding the ability to legalize or retrofit the basement as a separate dwelling unit

• Inside a conservation-regulated area

  A conservation-authority permit may be required for building, grading or landscaping — confirm scope with the authority.

  Source: TRCA Regulation Limit (2025) · as of Sep 2026

Also checked, nothing flagged at this location: flood hazard mapping, provincially significant wetlands, heritage conservation districts, the Greenbelt, the Oak Ridges Moraine, the Niagara Escarpment plan, areas of natural and scientific interest, rail corridors, hydro transmission corridors.

Screened against public government mapping at this home’s location — simplified boundaries, not a survey, an appraisal or a legal determination. Confirm anything that matters with the authority named.