This is a private reference website, not a government office. It cannot confirm whether someone is in custody, release an inmate, post bond, schedule visitation, pull official records, or provide court documents. Use the official office or locator that holds the record.
Official Places to Start
For Winnebago County jail custody and sheriff records, start with the jail or Sheriff's Office. For court records, use the Clerk of Courts. Wisconsin public-records requests are governed in part by Wis. Stat. 19.31 and 19.35, and the sheriff uses a NextRequest public-records portal for sheriff-held records.
Winnebago County Sheriff's Office and County Jail
4311 Jackson Street
Oshkosh, WI 54901
Jail inmate information: 920-236-7380
Sheriff non-emergency: 920-236-7300 or 920-727-2888
Fax: 920-236-7302
Office hours: Monday through Friday, 8 a.m. to 4 p.m.
Public records: Sheriff's Records Division and the Winnebago County Sheriff's Office NextRequest portal.
Winnebago County Clerk of Courts
415 Jackson Street, 1st Floor
Oshkosh, WI 54901
Main Clerk of Courts phone: 920-236-4848
Criminal, traffic, and fines: 920-236-4855
Use the route that matches the record you need:
- For a current county jail custody check, use jail inmate records and then call the Winnebago County Jail information line if the PDF does not answer the question.
- For booking-photo questions, start with jail roster mugshots and the Sheriff's Records Division or NextRequest for any record request.
- For charges, hearings, dispositions, and case copies after an arrest, use court records after a jail arrest, Wisconsin Circuit Court Access, or the Clerk of Courts.
- For a specific local facility, use the facility pages linked in the footer for the jail, DOC institutions, and Wisconsin Resource Center.
- For a sentenced state prisoner or DOC supervisee, use the Wisconsin Department of Corrections Person in Our Care or Client Search at appsdoc.wi.gov/lop/welcome.
- For custody notifications, use Wisconsin VINE / VINELink. For federal custody, use the BOP inmate locator when appropriate. For immigration detention, use the ICE Online Detainee Locator.