The Ontario Building Code | Small Garages
9.35.3.3. Small garages
(1) Detached garages of less than 55 m² floor area and not more than 1 storeyin height may be supported on wood mud sills provided the garage is not of masonry or masonry veneer construction.
In Plain Language
Small garages may qualify for reduced foundation requirements under the conditions set out in this article, reflecting their lighter structural loads.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.