Ontario Building Code 2024 – Ad-Free

To achieve harmonization, Ontario has adopted the national code's numbering system. Professionals will need to familiarize themselves with new section references, as old OBC clause numbers have changed to match the NBC framework. Major Technical Upgrades

The 2024 Ontario Building Code was officially filed as Ontario Regulation 163/24. January 1, 2025: The 2024 OBC officially took effect. ontario building code 2024

New provisions allow for slightly lower minimum ceiling heights (1.95m) in secondary suites to facilitate basement conversions. To achieve harmonization, Ontario has adopted the national