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Semi-detached homes in Toronto. Can your neighbour build a 2-story back extension on the property line? Any boundary restrictions?


The area in question is Woodbine/ Danforth -- above the Danforth, on a side street near Woodbine.

Hi Lorraine;

This is a zoning question. Your neighbour is not allowed to build over the boundary, however, the proximity to it and the nature of the structure that can be built is determined by the City’s zoning bylaws.  I suggest you contact the City of Toronto’s building department for your answer (