This is a private reference service, not a government office. It cannot confirm custody, arrange a release, post bond, or retrieve an official booking record. Contact the responsible public office directly for those matters.
Find the right office
For a current Fond du Lac County adult-custody question or a booking-record request, start with the Fond du Lac County Sheriff’s Office. The public Current Inmates roster is separate from a request for a released person’s record.
Fond du Lac County Sheriff’s Office, Attention: Records
180 S. Macy Street
Fond du Lac, WI 54935
Mail: P.O. Box 1273, Fond du Lac, WI 54936-1273
Records: (920) 929-3371
Non-emergency: (920) 929-3390
Jail: (920) 929-3394
Records hours: weekdays, 8:00 a.m. to 4:00 p.m., excluding holidays
The sheriff accepts records requests through its Open Records page, in person, and by mail. Use the official office rather than a private site to confirm availability or the current fee.
- For a current county booking or roster process, use the Fond du Lac records and custody path.
- For a warrant question, use the official verification and safety information on Sheriff's Most Wanted.
- For a later state court case, search Wisconsin Circuit Court Access or contact the Fond du Lac Clerk of Courts.
- For a person sentenced to state prison, use the Wisconsin DOC locator.
- For federal or immigration detention, use the official BOP locator or ICE locator.