Overview
Preemption classification
Tier E — Light preemption
Rent control preemption. St. Louis and KC have charter flexibility.
Governance
Home rule
Cities set their own zoning and can adopt newer building codes than the state requires.
Adopted building codes
Local adoption
City-level IBC adoptions (3)
| City | IBC | Amendment notes |
|---|---|---|
| Springfield | 2018 | |
| St Louis (city) | 2018 | |
| St Louis County | 2015 |
View building-code adoption for Missouri →
0 of 5 codes adopted statewide (home-rule or unresearched — see per-state adoption page)
Profiled counties
Cities
Showing 7 of 7
| City | Population | Code | Status | Issues |
|---|---|---|---|---|
| Hermann | — | Hermann Municipal Code Chapter 420 (Zoning Code) · 7 districts | V2 ✓ | |
| Kansas City | — | Chapter 88 — Zoning and Development Code (2011 hybrid use-based + form-based) · 24 districts | V2 ✓ | |
| Springfield | — | Land Development Code, Chapter 36 (revised March 2025) · 11 districts | V2 ✓ | |
| St. Louis | — | Title 26 — Zoning, 1994 City of St. Louis Revised Code · 12 districts | V2 ✓ | |
| Sullivan | — | Sullivan City Code Chapter 400 (Unified Land Use Regulations) · 6 districts | V2 ✓ | |
| Union | — | — | V2 ✓ | |
| Washington | — | Washington Reorganized Development Code (Title 6 & related chapters) · 10 districts | V2 ✓ |
Research status
Data quality
100%completeness7 confirmed