Michigan building permits
We index 42,704 building permits across 1 Michigan metro — Detroit — classified into real segments, parcel-joined, with field-level data-quality flags.
The largest segments statewide are Residential Alteration (80%), Commercial Alteration (12%), Residential New (Single-Family) (2%).
Metros we cover in Michigan
- Detroit42,704
Counts are live from the classified index, refreshed nightly. Each metro links to its full breakdown — segments, permit types, and contractors.