Getting Started: Commercial & Residential Codes

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

• 2019 Residential Code (RCO)
• Columbus Building Code (CBC) (latest online version of local code for permits and licenses)
• Referenced codes applicable for OBC - Residential Code (Partial List)
• 2023 National Electric Code (NEC – NFPA 70)
• 2018 International Energy Conservation Code
• 2016 National Fire Alarm Code (NFPA 72)
• 2016 Installation of Sprinkler Systems (NFPA 13, 13R, 13D)
• (Most codes listed are available for purchase from the ICC at www.iccsafe.org)
• ICC/ANSI A117.1-09 Accessible and Useable Buildings and Facilities