This Is Not a Government Office. We run a private reference site. We cannot pull criminal records, run official background checks, remove or correct a record, or accept expungement filings for anyone. For any of those, you need to reach the right government office directly.
Need an Official Record?
Use the following official routes for Cook County records:
- Court case files: use the criminal court cases guide or the proper Circuit Court Clerk district; the executive office is at 50 W. Washington St., Suite 1001, Chicago, IL 60602, 312-603-5030
- State conviction information: contact Illinois State Police BOI, 260 N. Chicago St., Joliet, IL 60432, 815-740-5160, or use CHIRP
- Arrest, booking, and jail records: contact the Cook County Sheriff at 3026 S. California Ave., Chicago, IL 60608; general line 312-603-6444; jail information 773-674-5245
- Official self-review: follow Illinois State Police Access and Review and its licensed live-scan vendor instructions
- Police reports and incident records: contact the agency that wrote the report
- Expungement and record sealing: file with the court that heard the case
Sheriff FOIA requests may be mailed to the Cook County Sheriff’s Office, Attn: Freedom of Information Officer, Richard J. Daley Center, 50 W. Washington St., Room 704, Chicago, IL 60602; walk-in delivery goes to Room 701. The Sheriff’s customer-service line, 773-674-1945, operates daily from 8 a.m. to 8 p.m. Chicago Police records instead go to CPD Records Services, 3510 S. Michigan Ave., Chicago, IL 60653, whose published counter hours are weekdays except holidays, 8 a.m. to 3 p.m.