Illinois Building Codes
Below you can find links to Building Codes and Authorities Having Jurisdiction for the state of Illinois.
This information is obtained directly to the source -- the city, county and state building departments that issue these codes. If you find an error, please send an e-mail with the updated information to RCDWebmaster@ReedBusiness.com.
Additional Resources
School construction in Illinois is regulated by the Capital Development Board, School Construction Program. For information call (217) 782-8708.
A comprehensive directory of building codes and officials for many Illinois cities can be purchased from Interstate Publishing.
A comprehensive directory of building codes and officials for many Illinois cities can be purchased from Interstate Publishing.
Illinois Building Codes
| Code Type | Code Model | Amendment Contact |
| Building/Dwelling Code | None | N/A |
| Structural Code | None | N/A |
| Plumbing Code | Illinois Plumbing Code | Div. of Bldg. Codes & Regulations, (217) 524-0791 |
 | Applies as a mandatory minimum to all buildings | |
| Mechanical Code | None | N/A |
| Electrical Code | None | N/A |
| Fire/Life Safety Code | NFPA 101, 2000 edition | 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 Code | ADAAG (Illinois Accessibility Code) | Online |
| Applies as a mandatory minimum to all buildings except residential | |
| Elevator Code | None | N/A |
| Gas Code | None | N/A |
| Boiler Code | ASME Boiler & Pressure Vessel Code 2006 edition | Div. Of Boiler & Pressure Vessel Safety, State Fire Marshal, (217 ) 782-2696 and online |
Illinois 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 Area | Contact |
| Accessibility | Doug Gamble Accessibility Specialist, Capital Development Boar Phone: (217) 782-8530 Fax: (217) 524-4208 |
| Energy | Dave Kramer Bureau of Energy, Department of Commerce Phone: (217) 785-2765 |
| Fire Marshal | Office of the State Fire Marshal Phone: (217) 785-0969 Fax: (217) 782-1062 |
| Boiler Inspector | David Douin Superintendent Boiler & Pressure Vessel Safety Div Phone: (217) 782-2696 |
Illinois Municipalities
Building codes are also available for the following municipalities within Illinois:
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