Code Library › Volume 1 › Section 9.35 — Garages and Carports
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.35.3.1.Foundation Required

(1) Except as permitted in this Subsection, foundations conforming to Sections 9.12. and 9.15. shall be provided for the support of carport and garage super-structures, including that portion beneath garage doors. (2) Detached garages of less than 55 m2 floor area and not more than 1 storey in height that are not of masonry or masonry veneer construction are permitted to be supported on (a) wood mud sills, or (b) a concrete floor slab having a minimum thickness of not less than 100 mm.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.