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Can My Toronto Property Become a Fourplex?
What Toronto’s multiplex permissions allow, and why zoning is only the first question.
What the zoning allows
Toronto permits buildings with up to four units in residential neighbourhoods citywide. That permission removes one barrier, but every lot still has to meet zoning standards such as height, setbacks, lot coverage and building depth.
What zoning does not settle
A permitted use is not the same as a feasible project. Water and sewer servicing, emergency access, building-code requirements, structural condition and the cost to build all determine whether a fourplex works on a specific property.
Where to start
Start with the address, the existing building and your goals. A preliminary review identifies the likely constraints before you spend money on full design.