Illinois Building Codes

Adoption Info

INCORPORATED AMENDMENTS
2018 Illinois Accessibility Code
Effective October 23, 2018
Original document
Illinois Specific Amendments to IECC
Effective July 1, 2019
Original document
Public Act 101-0369
Enacted August 9, 2019
Original document


Notice:

According to PA 096-0704 (effective January 1, 2010), all new commercial construction after July 1, 2011 must comply with the 2006 or later editions of the International Building Code, International Existing Building Code, International Property Maintenance Code, and the 2008 or later edition of the National Electrical Code (NFPA 70) and must pass an inspection by a qualified inspector. This Act does not apply to areas that registered its own adopted building codes to the Capital Development Board (CDB) in accordance with the Capital Development Board Act.

PA 096-0704 was replaced by PA 101-0369 which states that new commercial constructions in a non-building code jurisdiction must comply with the current edition or the most current preceding of the International Building Code, International Existing Building Code, and National Electrical Code (NFPA 70). The change will take effect on December 15, 2019.

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Illinois Building Codes

The building codes of Illinois adopt the the International Building Code 2018 (IBC 2018), International Existing Building Code 2018 (IEBC 2018), Illinois Accessibility Code, International Energy Conservation Code 2018 (IECC 2018), and the NFPA 70 ‒ National Electrical Code 2017. These codes include amendments enacted at the state level.

Illinois building codes, including the fire and residential codes

Amendments

States and cities enact critical amendments to the base codes. Illinois has made amendment to the codes. UpCodes provides the only source to view these amendments integrated into the model codes. Learn about amendments

Illinois Agencies

Capital Development Board
Website: https://www2.illinois.gov/cdb/Pages/default.aspx
Building Codes & Regulations
3rd Floor Stratton
401 South Spring
Springfield
IL
62706