Office of the Illinois State Fire Marshal
1035 Stevenson Dr
Springfield
IL
62703
Phone: (217) 785-0969

Notes:

Illinois Permit, Building Code and Licensing Information

State Website https://www.state.il.us
State Licensing Specialty contractor licensing may be required but general contractor licensing is not required by the State of Illinois. Local jurisdictions may also require licensing.
State Building Code Information The State of Illinois has adopted has not statewide building code (home rule state), only plumbing code is enforced statewide: Illinois Plumbing Code.  There are areas within the state that has no code enforcement department and they are required by the state to use the 2006 editions of the I-Codes and the owner and/or builder is suppose to enforce it.
State Environmental Permit https://www.epa.state.il.us/