Illinois Building Codes

Building Codes References

School construction in Illinois is regulated by the Capital Development Board, Illinois State Board of Education. For information call (217) 782-8708.

A comprehensive directory of building codes and officials for many Illinois cities can be purchased from Interstate Publishing.
Supplement for commercial structures statewide. IBC, IFC, IMC, IFGC, IPMC, IECC, IEBC for IL Board of Edu Facilities (other than vehicular), but do not apply to Chicago. IBC adopted by Dept of Health for hospitals where local codes do not apply. The Illinois Energy Conservation Code is based on the 2009 IECC.
Code TypeCode ModelAmendment Contact
Building/Dwelling Code2009 International Building CodeN/A
Structural Code2009 International Building CodeN/A
Plumbing CodeIllinois Plumbing CodeDiv. of Bldg. Codes & Regulations, (217) 524-0791
Applies as a mandatory minimum to all buildings
Mechanical Code2009 International Mechanical CodeN/A
Electrical CodeNoneN/A
Fire/Life Safety Code2009 International Fire Code Office of the State Fire Marshal, Division of Fire Prevention, (217) 785-4714
Applies as a mandatory minimum to all buildings except 1 and 2 family dwellings and public schools
Accessibility CodeADAAG (Illinois Accessibility Code)Online
Applies as a mandatory minimum to all buildings except residential
Energy Code2009 IECC The Law requires all new commercial and residential construction for which a building permit application is received by a municipality or county to follow a comprehensive statewide energy conservation code.
Elevator CodeNoneN/A
Gas Code2009 International Fuel Gas CodeN/A
Boiler CodeASME Boiler & Pressure Vessel Code 2006 editionDiv. Of Boiler & Pressure Vessel Safety, State Fire Marshal, (217 ) 782-2696 and online

Authorities Having Jurisdiction (AHJ)

Authorities Having Jurisdiction are those government officials who are the final authority on questions in a particular area (or jurisdiction).
Jurisdictional AreaContact
AccessibilityDoug Gamble
Accessibility Specialist, Capital Development Boar
Phone: (217) 782-8530
Fax: (217) 524-4208
EnergyLisa Mattingly, PE
Administrator, Professional Services
Phone: (217) 524-6408
Fax: (217) 524-4208
Fire MarshalOffice of the State Fire Marshal
Phone: (217) 785-0969
Fax: (217) 782-1062
Boiler InspectorDavid Douin
Superintendent Boiler & Pressure Vessel Safety Div
Phone: (217) 782-2696