| Business | Phone |
| Warren Court Administrator 8300 Common Rd, Warren 48093 | (586) 574-4900 |
| District Court Judge 8300 Common Rd, Warren 48093 | (586) 574-4935 |
| District Court-Civil 8300 Common Rd, Warren 48093 | (586) 574-4969 |
| District Court-Probation 8300 Common Rd, Warren 48093 | (586) 574-4920 |
| District Court-Traffic 8300 Common Rd, Warren 48093 | (586) 574-4901 |