Overview
Preemption classification
Tier E — Light preemption
Rent control preemption. Detroit has home rule.
Governance
Statewide
Building and zoning code adoption is mandated at the state level.
Adopted building codes
Statewide
City-level IBC adoptions (3)
| City | IBC | Amendment notes |
|---|---|---|
| Detroit | 2021 | |
| Flint | 2021 | |
| Grand Rapids | 2021 |
View building-code adoption for Michigan →
5 of 5 codes adopted (IBC, IRC, IECC, IFC, NEC)
Profiled counties
Cities
Showing 3 of 3
| City | Population | Code | Status | Issues |
|---|---|---|---|---|
| Detroit | — | Detroit City Code Chapter 50 — Zoning Ordinance (recodified from former Chapter 61 in 2019; ARTICLE XIII Intensity and Dimensional Standards) · 29 districts | V2 ✓ | freshness:volatileblocker:municodedata:gaps-present |
| Flint | — | City of Flint Chapter 50 — Zoning Code (Adopted Ord. 220377, 2022-10-29; most recently amended Ord. 240459-T, 2025-12-07 — amending Articles 3, 4, 5, 6, 9, and 16) · 18 districts | V2 ✓ | freshness:volatile |
| Grand Rapids | — | Grand Rapids Chapter 61 — Zoning Ordinance (TITLE V Zoning and Planning); enacted Ord. No. 2017-27 (March 28, 2017), effective April 27, 2017 — repealed prior Chapter 61 in entirety · 20 districts | V2 ✓ | freshness:volatileblocker:municodedata:gaps-present |
Research status
Data quality
100%completeness3 confirmed