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

2017 Ohio Building Code with latest amendments/updates as issued by the State of Ohio Board of Building Standards. Columbus Building Code (CBC) (latest online version of local code for permits and licenses) Referenced codes applicable for OBC 2017 (Partial List)

  • 2017 Ohio Plumbing Code
  • 2017 Ohio Mechanical Code
  • 2017 National Electric Code (NEC) – NFPA 70)
  • 2015 International Fuel Gas Code
  • ICC A117.1-2009 Accessible And Useable Buildings And Facilities
  • 2012 International Energy Conservation Code
  • ASHRAE 90.1 2010
  • National Fire Alarm and Signaling Code (NFPA 72-16)
  • Automatic Sprinkler Systems (NFPA 13-16)
  • Ohio Fire Code 2017
  • OBC - Residential Code (RCO) 2013


Residential – One, Two, and Three Family Buildings