| MI | Bay County | Bay County (no county building department) | website |
| MI | Bay County | City of Auburn Building Department | website |
| MI | Bay County | City of Bay City Building Department | website |
| MI | Bay County | City of Essexville Building Department | website |
| MI | Bay County | City of Pinconning Building Department | website |
| MI | Bay County | Township of Bangor Building Department | website |
| MI | Bay County | Township of Beaver Building Department | website |
| MI | Bay County | Township of Frankenlust Building Department | website |
| MI | Bay County | Township of Fraser Building Department | website |
| MI | Bay County | Township of Garfield Building Department | website |
| MI | Bay County | Township of Gibson Building Department | website |
| MI | Bay County | Township of Hampton Building Department | website |
| MI | Bay County | Township of Kawkawlin Building Department | website |
| MI | Bay County | Township of Merritt Building Department | website |
| MI | Bay County | Township of Monitor Building Department | website |
| MI | Bay County | Township of Mt. Forest Building Department | website |
| MI | Bay County | Township of Pinconning Building Department | website |
| MI | Bay County | Township of Portsmouth Building Department | website |
| MI | Bay County | Township of Williams Building Department | website |