Building code in Indiana

Indiana has adopted 2012 IBC (IBC / IRC (ICC)), effective December 1, 2014. The adopting authority is Indiana Fire Prevention and Building Safety Commission (Indiana Dept. of Homeland Security). Verified June 28, 2026.

The Indiana Building Code (commercial / Class 1) is the 2014 Indiana Building Code (675 IAC 13-2.6), adopting the 2012 IBC, 1st printing, with 2014 Indiana amendments. The official FPBSC rules table lists 675 IAC 13-2.6 as the currently-in-effect building rule (eff. 12/1/2014), with no newer (e.g. 2021 IBC) commercial rule yet adopted. One- and two-family dwellings fall under the separate Indiana Residential Code based on the 2018 IRC (675 IAC 14-4.4, eff. 12/26/2019). Some secondary trackers (e.g. BCAP) report a 2021 IBC adoption effective 12/13/2021; both Indiana-authoritative sources (FPBSC rules table and IABO) still list the 2012 IBC, so that claim is treated as unconfirmed.

It is the specific edition of a model code (for example the 2023 NEC, the 2021 IBC, or CSA C22.1:24) that a state or province has legally adopted and currently enforces. Codes are republished on roughly three-year cycles, and each jurisdiction adopts a new edition on its own schedule — often with amendments — so the edition in force varies by place and by discipline.

Not always. Many jurisdictions set a statewide or provincial baseline edition, but local building departments (the authority having jurisdiction, or AHJ) can amend it or enforce a different edition. Some states leave most adoption to local jurisdictions, and a few large cities such as Chicago and New York City run their own codes. Always confirm with your AHJ.

In the United States: the NEC (NFPA 70) for electrical, the ICC I-Codes (IBC/IRC) for building, the UPC (IAPMO) or IPC (ICC) for plumbing, the IMC/UMC for mechanical, the IFGC/NFPA 54 for fuel gas, and the IFC/NFPA 1 for fire. In Canada: the Canadian Electrical Code (CSA C22.1), the National Building, Plumbing and Fire Codes of Canada and their provincial editions, and CSA B149.1 for gas.

NFPA offers free read-only online access to many of its standards including the NEC, and the ICC publishes its I-Codes through a free online reading room. Canadian codes are typically published by CSA Group or the National Research Council and may require purchase or membership. Each result links to the official source.

Trade codes are copyrighted by their standards bodies (NFPA, ICC, IAPMO, CSA). This directory publishes only factual adoption data — which edition is in force, when it took effect, who the authority is, whether it is amended, and where to read it officially — and links you to the official source for the code text itself.