Getting Started: Commercial & Residential Codes

The State of Ohio, through the Board of Building Standards, has adopted the 2017 Ohio Building Code (OBC) effective November 1, 2017. The links below referencing existing OBC codes may not yet be updated. Access the current version with the newest changes.

Please follow the links to reference Columbus City Codes.

Adopted Building Codes

Commercial & Residential 4 Family and Greater Buildings

2024 Ohio Building Code with latest amendments/updates as issued by the State of Ohio Board of Building Standards.

  • 2024 Ohio Building Code
  • 2024 Ohio Plumbing Code
  • 2024 Ohio Mechanical Code                                  
  • 2023 National Electrical Code, NFPA 70
  • 2021 International Fire Code
  • 2021 International Energy Conservation Code
  • 2019 ASHRAE 90.1
  • 2017 ICC/ANSI A117.1 accessibility - new buildings and additions
  • 2009 ICC/ANSI A117.1 accessibility - existing building alterations and change of occupancies
  • 2024 Ohio Existing Building Code
  • 2022 NFPA 13 Installation of sprinkler systems
  • 2022 NFPA 72 National Fire Alarm and Signaling Code

 

Residential – One, Two, and Three Family Buildings