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Lake County Courthouse

Filing information for Lake County Courthouse in Waukegan, IL. Part of the Lake County small claims court system.

E-FILE!

E-Filing

✓ Available

Max Claim

$10,000

Courthouse Details

Lake County Courthouse

18 N. County Street

Waukegan, IL 60085

Phone: 847-377-3226

Hours: 8:30 a.m. to 5:00 p.m., Monday through Friday

Area Served

All of Lake County

How to File at Lake County Courthouse

E-filing available

This court accepts electronic filing for small claims cases.

Note: As of January 1, 2018, e-filing is mandatory for all civil cases in Illinois, including those in Lake County. Filers must choose a certified Electronic Filing Service Provider (EFSP) to submit their documents to the court.

File in person

Bring your completed forms to the courthouse during business hours.

File by mail

Most small claims courts accept filing by mail — check with this court first. Typically you mail your completed forms with the filing fee plus a self-addressed stamped envelope for your returned copies.

Ready to get your money back?

A demand letter often settles disputes before a case is ever filed — and it only takes a few minutes.

Read the demand letter guide

For statewide rules, see the full Illinois small claims court guide →

Data verified May 6, 2026.