Illinois Building Codes
Automate code compliance checking for Illinois (IL). Nomic supports 2 state-specific codes plus all standard adopted codes.
Illinois Code Adoption
Illinois has state-specific plumbing and accessibility codes. Chicago has its own comprehensive building code.
Adopted Codes in Illinois
These are the primary codes adopted by Illinois for building construction
Illinois State-Specific Codes
Illinois has adopted these state-specific codes in addition to or instead of standard model codes
ILLINOIS ACCESSIBILITY CODE
Accessibility Code
ILLINOIS PLUMBING CODE
Plumbing Code
Major Cities in Illinois
Select a city to see local code amendments and requirements
Codes Available for Illinois Compliance
Browse all codes in our database that apply to Illinois projects
IBC
SupportedBuilding Code
International Building Code IBC
IRC
SupportedResidential Code
International Residential Code IRC
IMC
SupportedMechanical Code
International Mechanical Code IMC
NFPA 70
Electrical Code
NFPA 70 National Electrical Code
NFPA 704
Fire Code
NFPA 704 Standard System For The Identification Of The Hazards Of Materials For Emergency Response
NFPA 70E
Electrical Code
ILLINOIS ACCESSIBILITY CODE
Accessibility Code
ILLINOIS PLUMBING CODE
Plumbing Code
Other Midwest States
Explore building codes in nearby jurisdictions
Ready to automate Illinois code compliance?
See how Nomic handles IL building codes, state-specific requirements, and local amendments automatically.
Illinois has state-specific plumbing and accessibility codes. Chicago has its own comprehensive building code. Nomic's AI-powered platform automatically checks your drawings against all applicable Illinois requirements, including state amendments and local variations.
State Code Framework
Illinois has its own state building code with IBC, IRC, IMC and other codes as the foundation for construction requirements.
Instant Compliance Checks
Upload your drawings and get instant answers about IL code compliance. Nomic provides specific citations and actionable recommendations.