How to Search Union County Records (Start Here)
Searching Union County records starts with identifying which of 4 offices has what you need.
- Criminal and civil case records are filed with the Circuit Clerk.
- Start with the County Assessor for any property-related search.
- The County Clerk issues and records marriage licenses.
Keep in mind: Cook County uses completely different systems from the rest of Illinois.
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Business, Voter & Other
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Illinois Sex Offender Registry
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Illinois State Police sex offender information. Covers all Illinois counties.
Frequently Asked Questions
Who handles court records in Union County? ▼
Go to the Circuit Clerk for court records in Union County. Start at the Circuit Clerk's office for case lookups — Illinois has no statewide court search portal.
Who handles property records in Union County? ▼
For deeds, mortgages, and liens, go to the County Recorder. For property values and assessment data, go to the County Assessor (Township Assessor in some counties). For tax bills and payments, go to the County Treasurer.
How do I get birth, death, or marriage records in Union County? ▼
Marriage licenses in Union County are issued by the County Clerk. Birth and death certificates are available from County Clerk (local) / IDPH (state). Divorce records come from the court that granted the decree.
Are Union County records available online? ▼
Online access in Union County is limited. We list 3 databases here. For most other records, you will need to contact the county offices directly by phone or in person.
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