| Business | Phone |
| St Clair Shores Adm Office 27600 Jefferson Ave, St Clair Shores 48081 | (586) 445-5200 |
| St Clair Shores Dist Ct-Civil 27701 Jefferson Ave, St Clair Shores 48081 | (586) 445-5282 |
| St Clair Shores Housing Comm 1000 Blossom Heath Blvd, St Clair Shores 48080 | (586) 773-9200 |
| St Clair Shores Water Mntnc 19600 Pleasant St, St Clair Shores 48080 | (586) 445-5374 |
| Lac Sainte Claire Harbor 27600 Jefferson Ave, St Clair Shores 48081 | (586) 445-5271 |