Overview
Preemption classification
Tier E — Light preemption
Rent control preemption. Chicago operates under home rule.
Governance
Home rule
Cities set their own zoning and can adopt newer building codes than the state requires.
Adopted building codes
No statewide building code
City-level IBC adoptions (3)
| City | IBC | Amendment notes |
|---|---|---|
| Joliet | 2015 | |
| Naperville | 2024 | |
| Rockford | 2021 |
View building-code adoption for Illinois →
1 of 5 codes adopted (IECC)
Profiled counties
Cities
Showing 5 of 5
| City | Population | Code | Status | Issues |
|---|---|---|---|---|
| Chicago | — | Title 17 — Chicago Zoning Ordinance, Municipal Code of Chicago · 26 districts | V2 ✓ | |
| Joliet | — | Chapter 47 — Zoning, Joliet Code of Ordinances · 12 districts | V2 ✓ | freshness:volatiledata:dimensional-standards-not-extracteddata:district-inventory-partialretrieval:municode-spa-blocked |
| Naperville | — | Title 6 — Zoning Regulations, Naperville Municipal Code · 24 districts | V2 ✓ | freshness:volatiledata:dimensional-standards-not-extractedretrieval:municode-spa-blockedblocker:municode |
| Rockford | — | City of Rockford Zoning Ordinance · 13 districts | V2 ✓ | |
| Springfield | — | Springfield Municipal Code, Chapter 155 — Zoning · 9 districts | V2 ✓ |
Research status
Data quality
100%completeness5 confirmed