| Business | Phone |
| Macomb County Finance Dept 10 N Main St 12, Mount Clemens 48043 | (586) 469-5251 |
| Macomb Delinquent Property Tax 1 S Main St 2, Mount Clemens 48043 | (586) 469-5190 |
| Land File Tax Mapping Dept 1 S Main St 2, Mount Clemens 48043 | (586) 469-5312 |