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

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

Contact

Building and Zoning Services
111 North Front Street
Columbus, OH 43215

(614) 645-7433

Additional Contacts(PDF, 146KB)

Directions to Our Office

Parking Map for BZS(PDF, 290KB)

Hours

Monday - Friday
9:00 am - 4:00 pm

Please note that the Zoning Review room will be closed the second Tuesday of the month from 9:00 am - 10:30 am for staff training.

Division of Fire PHI Notification