Cook County, Illinois public records are divided across several official offices and systems, so the right starting point depends on whether the need involves property, taxes, court activity, custody information, or vital records.
- Property SearchUse this record type for assessment-related property information from the Cook County Assessor's Office, including address, PIN, neighborhood, and advanced search options.
- Property TaxThe Cook County Property Tax Portal is the main starting point for property tax information, with related tasks split among assessment, payment, exemption, appeal, and tax redemption resources.
- Court RecordsThe Clerk of the Circuit Court of Cook County Online Case Search fits general case-status needs, while older non-current records may involve the Archives Department.
- Inmate SearchThe Individual in Custody Locator is the official starting point for finding a person currently listed in Cook County custody by name or booking ID.
- Marriage RecordsThe Cook County Clerk’s Bureau of Vital Records handles certified marriage certificates for marriages that occur in Chicago and suburban Cook County.