How to Search Lake County Records (Start Here)
- Court records: Circuit Clerk.
- Deeds and liens: County Recorder.
- County Assessor (Township Assessor in some counties).
- Tax bills: County Treasurer.
- Marriage licenses: County Clerk.
This page lists 13 searchable databases for Lake County.
Each source below is verified and links to an official portal.
Criminal & Court Records
Court Records | 1840-1898
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Illinois State Archives database of Lake County Circuit Court Case Files for the period 1840-1898.
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Most Wanted | Sex Offenders
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Official Free
Lake County Sheriff's Office list of non-compliant wanted sex offenders.
Court Calendars
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Lake County Nineteenth Judicial Circuit Court calendars.
Jail & Inmate Records
Most Wanted | Deadbeat Parents
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Lake County Sheriff's office list of most wanted child support deadbeat parents.
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Property & Tax Records
Property | Tax Payments
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Official Free
Lake County Treasurer's Office current tax payment status search.
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Property | Assessment
Visit →Property & Tax Records
Official Free
Lake County Assessment Office property assessment records searchable by address or PIN.
Business, Voter & Other
Lake County
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Official Free
Lake County, Illinois official website, including government information, contacts, departments, schedules, events, business services, social services, maps, and more.
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Voters
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Official Free
Check your Lake County voter registration and find your polling place.
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Frequently Asked Questions
Who handles court records in Lake County? ▼
Go to the Circuit Clerk for court records in Lake County. Start at the Circuit Clerk's office for case lookups — Illinois has no statewide court search portal.
Who handles property records in Lake 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 Lake County? ▼
Marriage licenses in Lake 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 Lake County records available online? ▼
Yes — Lake County has good online coverage. This page lists 13 searchable databases covering court records, jail and inmate records, property records, and business filings. Each links directly to an official government portal.
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