| Business | Phone |
| Flat Rock City Office 1 Maguire St, Flat Rock 48134 | (734) 379-1444 |
| Flat Rock Building Safety 25500 Gibraltar Rd, Flat Rock 48134 | (734) 782-0445 |
| Flat Rock City Clerk 25500 Gibraltar Rd, Flat Rock 48134 | (734) 782-2455 |
| Flat Rock City Office 25500 Gibraltar Rd, Flat Rock 48134 | (734) 782-2042 |