This Is a Private Reference, Not a Public Office. We cannot retrieve or certify records, verify an occupant, or change a custodian's database. Contact the agency that holds the file. Call 911 for an emergency. Report stalking or harassment to local police.
Reach the Right Record Keeper
Choose the Cook County route that matches the record you need:
- Who owns or lives along a street: see the Cook County street directory
- Old directory volumes and past residents: see the Cook County city directory collections
- Finding or verifying one person: see the Cook County resident lookup walkthrough
- The offices behind the rolls: see Cook County resident records offices
- Records not available online: file a request under the Illinois Freedom of Information Act with the named custodian
Cook County Assessor: 118 N Clark St, Room 320, Chicago, IL 60602; 312-443-7550; Monday through Friday, 8:30 a.m. to 5 p.m. For recorded documents, Clerk Recordings serves requests at 118 N Clark St, Room 120.