Green Building Code: Dearborn vs Detroit
How do green building code rules compare between Dearborn, MI and Detroit, MI?
Dearborn and Detroit have similar restriction levels.
Dearborn, MI
Wayne County
Michigan adopts the 2015 IECC (International Energy Conservation Code) under Part 10 of MCL 125.1502. New construction in Wayne County must meet insulation, glazing, and HVAC efficiency thresholds; Detroit pursues additional sustainability goals.
View full Dearborn rules →Detroit, MI
Wayne County
Michigan adopts the 2015 IECC (International Energy Conservation Code) under Part 10 of MCL 125.1502. New construction in Wayne County must meet insulation, glazing, and HVAC efficiency thresholds; Detroit pursues additional sustainability goals.
View full Detroit rules →Key Facts Comparison
| Fact | Dearborn | Detroit |
|---|---|---|
| Code adoption | 2015 IECC | 2015 IECC |
| Attic insulation | R-49 minimum | R-49 minimum |
| Window U-factor | 0.32 maximum | 0.32 maximum |
| Detroit LEED | Silver for public | Silver for public |
Highlighted rows indicate differences between cities.
Dearborn FAQ
Does my home renovation need to meet energy code?
Yes if replacing more than 50% of the structure or adding more than 500 square feet. Smaller projects only need component-level compliance for replaced windows or HVAC equipment.
Are solar panels required in new Wayne County homes?
No, but solar-ready conduit and roof reinforcement became mandatory in 2025 under amended Michigan code. Actual panel installation remains voluntary; DTE offers rebates and net metering.
Detroit FAQ
Does my home renovation need to meet energy code?
Yes if replacing more than 50% of the structure or adding more than 500 square feet. Smaller projects only need component-level compliance for replaced windows or HVAC equipment.
Are solar panels required in new Wayne County homes?
No, but solar-ready conduit and roof reinforcement became mandatory in 2025 under amended Michigan code. Actual panel installation remains voluntary; DTE offers rebates and net metering.
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