📋 Illinois Permit Overview
| Detail | Info |
|---|---|
| NEC Edition | varies by local jurisdiction |
| IRC Edition | varies by local jurisdiction |
| Permit Authority | Local jurisdictions adopt 'current' editions — varies widely. No statewide code. |
| Statewide Code | No — local jurisdictions control |
| Licensing Board | See state website |
⚠️ Key Things to Know About Permitting in Illinois
- CHICAGO: Has own building code — Chicago Building Code. Strict. 2017 NEC, 2018 IRC with Chicago amendments.
- Chicago: Licensed Electrician required for all electrical. City-specific licenses sometimes required.
- Suburban Cook County: generally follows state recommendations
- Downstate IL: varies widely — some rural counties have minimal enforcement
- Chicago permit portal: chicago.gov/permits
📍 Cities in Illinois — Permit Guides
📍 Chicago
Chicago Department of Buildings (DOB)
🔨 Permit Guides by Trade — Illinois
Check Any Illinois City Permit in 5 Seconds
Our AI searches live building department data for every city and county in Illinois.
Run a Free Permit Check →