Use the information below to contact the various departments that make up the Oceana County government and administration.
| DEPARTMENT | MAILING ADDRESS | PHONE |
|---|---|---|
| Administrator/Fiscal Officer | 100 S. State Street, Suite M-4, Hart, MI 49420 | (231) 873-4835 |
| Animal Control | P.O. Box 302, Hart, MI 49420 | (231) 861-5395 |
| Building Department | 844 S. Griswold Street, Suite 200, Hart, MI 49420 | (231) 873-5355 |
| 51st Circuit Court | 100 S. State St., Suite. M-10, Hart, MI 49420 | (231) 873-3977 |
| Council on Aging | 621 E. Main Street, Hart, MI 49420 | (231) 873-4461 |
| County Clerk | 100 S. State Street, Suite M-1, Hart, MI 49420 | (231) 873-4328 |
| MSU Extension | 844 S. Griswold Street, Suite 400, Hart, MI 49420 | (231) 873-2129 |
| County Treasurer | P.O. Box 227, Hart, MI 49420 | (231) 873-3980 |
| 79th District Court | P.O. Box 167, Hart, MI 49420 | (231) 873-4530 |
| Drain Commissioner | P.O. Box 584, Hart, MI 49420 | (231) 873-3887 |
| Economic Alliance | 844 S. Griswold Street, Suite 500, Hart, MI 49420 | (231) 742-3328 |
| Emergency Ambulance/EMS | 3966 N. Oceana Drive, Hart, MI 49420 | (231) 873-8241 |
| Emergency Management | 844 S. Griswold Street, Suite 300, Hart, MI 49420 | (231) 873-4473 |
| Equalization | 100 S. State Street, Suite L-12, Hart, MI 49420 | (231) 873-4609 |
| Family Court | 100 S. State Street, Suite M-10, Hart, MI 49420 | (231) 873-3977 |
| Friend of the Court | 100 S. State Street, Suite. M-10, Hart, MI 49420 | (231) 873-4605 |
| Health Department | 3986 Oceana Drive, Hart, MI 49420 | (231) 873-2193 |
| Juvenile Court | 100 S. State Street, Suite M-10, Hart, MI 49420 | (231) 873-3811 |
| Mason-Oceana 911 | 9160 N. Oceana Drive, Pentwater, MI 49449 | (231) 869-7911 |
| Medical Care Facility | 701 E. Main Street, Hart, MI 49420 | (231) 873-6600 |
| Probate Court | 100 S. State Street, Suite M-10, Hart, MI 49420 | (231) 873-3666 |
| Probation/Parole | 844 S. Griswold Street, Suite 600, Hart, MI 49420 | (231) 873-4776 |
| Prosecuting Attorney | P.O. Box 169, Hart, MI 49420 | (231) 873-4608 |
| Register of Deeds | P.O. Box 111, Hart, MI 49420 | (231) 873-4158 |
| Road Commission | 3501 W. Polk Road, Hart, MI 49420 | (231) 873-4226 |
| Sheriff’s Office | P.O. Drawer 32, Hart, MI 49420 | (231) 873-2121 |
| Transfer Station | 100 S. State Street, Suite M-4, Hart, MI 49420 | (231) 861-6394 |