3 Costain Avenue, Toronto, ONM4E 2G7

Welcome home to your stunning, detached house on a quiet street near the Upper Beaches! This recently renovated home features an open concept main floor with hardwood floors throughout, a chef inspired kitchen with gas range, stone counters, breakfast bar, tons of storage and a walkout to your private backyard. The Upstairs you'll find three generous bedrooms, all with double closets, including the spacious primary bedroom plus a 5PC bathroom. The finished lower level includes a large rec room, perfect for relaxing, a guest bedroom or home office/gym with an attached 3PC ensuite. Outside, a private yard awaits, complete with a new deck and stone patio, ideal for summer barbecues and relaxation with friends. With a detached garage and ample parking this is the perfect house to call home! Close to TTC & GO, schools, shopping, restaurants and the Beaches.

• 69 m from a rail corridor

  Visit at train times to judge noise and vibration for yourself.

  Source: Ontario Railway Network (ORWN) · as of Sep 2026

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