Skip to content City of Toronto
City of Toronto
  1. City of Toronto
  2. Services & Payments
  3. Building & Construction
  4. Apply for a Building Permit
  5. 2024 Ontario Building Code Transition Rules and Requirements

2024 Ontario Building Code Transition Rules and Requirements

  • Share to Facebook (opens in a new window)
  • Share to X (opens in a new window)
  • Share to LinkedIn (opens in a new window)
  • Share to Copy Link (opens in a new window)

Effective January 1, 2025, Ontario is adopting the new 2024 Ontario Building Code to replace the 2012 Ontario Building Code.

As of April 1st, 2025, new applications will be reviewed against the 2024 Ontario Building Code.

Additional Resources

Engineers, Architects & Building Officials (EABO) Infographic

In This Section

  • Apply for a Building Permit
    • 2024 Ontario Building Code Transition Rules and Requirements
    • Conditional Permit Applications
    • Contact Toronto Building Customer Experience
      • Requesting an In-Person Appointment for Zoning By-law Information
    • Express Building Permits
      • Express Building Permits Application
    • Building Permit Application Guides
      • Accessory Structures (Sheds, Cabanas and other residential accessory buildings)
      • Small Residential Project Guides
      • Renovation and New House Guides
      • Guides for other Buildings
      • Guides for Structures
      • Plumbing, Mechanical and Drains related to a Building Permit
      • Electronic Submission Guidelines
      • Standalone Plumbing, Mechanical and Drains
    • Building Permit Fees
    • Building Permit Regulations
      • Applications for Development within the Hospital Helicopter Flightpath
    • Building Permit Review Streams
    • Detailed Email Submission Process
    • Toronto Building Forms Index
    • When Do I Need a Building Permit?
    • Plan Review Process
Back to Top