How to File a Small Claims Lawsuit in Illinois (2026)
Reviewed by DocDraft Legal Team · Illinois · Last updated April 30, 2026
Illinois small claims handles money disputes up to $10,000 in Circuit Court under Supreme Court Rule 281-289. Filing fees vary by county, typically $90 to $268 in Cook County. The statute of limitations is 10 years for written contracts and 5 years for oral.
What is small claims court in Illinois?
In Illinois, small claims court handles disputes up to $10,000. Filing fees range from $87 in downstate counties to $268 in Cook County depending on claim size and location. The statute of limitations for written contracts is 10 years and for oral contracts 5 years. Filing happens at the Circuit Court Small Claims Division. No attorney is required.
How much does it cost to file a small claims lawsuit in Illinois?
Illinois filing fees vary by county. Downstate counties charge approximately $87 for a typical small claim, while Cook County charges about $268, roughly three times the downstate rate. Service of process by the sheriff adds about $35 to $60. Fee waivers are available for low-income filers under Illinois Supreme Court Rule 298.
Do I need a lawyer for small claims court in Illinois?
No. Illinois small claims court is designed for self-represented parties. Attorneys are permitted under Illinois Supreme Court Rules 281 to 289, but most plaintiffs and defendants in claims under $2,500 appear without counsel. The simplified complaint form under Rule 282 was written specifically so non-lawyers can file without hiring one.
How long do I have to sue someone in Illinois small claims court?
Illinois has the longest written-contract statute of limitations in the United States: 10 years (735 ILCS 5/13-206). Oral contracts get 5 years (735 ILCS 5/13-205), property damage 5 years, personal injury 2 years (735 ILCS 5/13-202), and debt collection 10 years for written agreements or 5 years for oral.
Illinois small claims at a glance
Illinois has the longest statute of limitations on written contracts in the United States: 10 years under 735 ILCS 5/13-206, compared with the typical 4 to 6 years in most states. A creditor with a signed agreement effectively has more than twice the filing window of a creditor in California or Texas. Plaintiffs filing claims of $2,500 or less get a procedural shortcut as well: Illinois Supreme Court Rule 282 lets them use a simplified complaint form instead of a formal pleading, which keeps the paperwork small for the smallest cases. Cook County (Chicago) carries the highest filing fees in the state at roughly $268 for a typical small claim, more than three times the $87 charged in most downstate counties.
Filing cost example: $5,000 unpaid invoice in Cook County
Suppose you are owed $5,000 on an unpaid invoice for consulting work performed under a signed written contract. The Illinois statute of limitations for written contracts is 10 years (735 ILCS 5/13-206), so you have a long filing window. You file at the Cook County Circuit Court Small Claims Division at the Daley Center in Chicago. The Cook County filing fee for this claim size is approximately $268. Sheriff service adds about $50, for a total of roughly $318 out the door. After winning, post-judgment interest accrues at 9% per year (735 ILCS 5/2-1303). If the defendant pays a year late, you collect approximately $5,450 plus your filing and service costs.
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Relevant Documents
Billing Dispute Letter
A formal letter to the company or service provider detailing the nature of the billing dispute, including specific charges being contested, reasons for the dispute, and requested resolution. This document establishes a paper trail of your dispute attempt.
Promissory Note
This document is your written promise to repay the loan according to specific terms. It's often simpler than the full loan agreement but creates a legally binding obligation to repay the borrowed funds.
Wage Withholding Order
This document directs an employer to withhold child support or spousal support payments from a spouse's paycheck.
Local Courthouses
Cook County Circuit Court, Richard J. Daley Center
50 W Washington St, Chicago, IL 60602
DuPage County Circuit Court
505 N County Farm Rd, Wheaton, IL 60187
Lake County Circuit Court
18 N County St, Waukegan, IL 60085
Will County Circuit Court
100 W Jefferson St, Joliet, IL 60432
St. Clair County Circuit Court
10 Public Sq, Belleville, IL 62220
Illinois Circuit Court directory (statewide)
Find your local Circuit Court Small Claims Division by county.
Relevant Laws
Illinois Supreme Court Rules 281-289
Governs small claims procedure including jurisdiction, the simplified complaint form for claims at or under $2,500 (Rule 282), service of process (Rule 284), and hearings.
735 ILCS 5/13-206 (Statute of Limitations, Written Contracts)
Sets the 10-year statute of limitations for written contracts, the longest in the United States.
735 ILCS 5/13-205 (Statute of Limitations, Oral Contracts)
Sets the 5-year statute of limitations for oral contracts and most non-contract money claims.
735 ILCS 5/2-1402 (Judgment Enforcement)
Authorizes the citation to discover assets, the primary tool for forcing a defendant to disclose income and property after judgment.
735 ILCS 5/2-1303 (Post-Judgment Interest)
Sets post-judgment interest at 9% per year on unpaid judgments.
Illinois Courts Self-Help
Statewide self-help portal for forms, filing instructions, and procedural guidance. Includes the Rule 282 simplified complaint form.
Regional Variances
Statute of Limitations for Common Claims in Illinois
Written contract
10 years (735 ILCS 5/13-206)
Oral contract
5 years (735 ILCS 5/13-205)
Property damage
5 years (735 ILCS 5/13-205)
Personal injury
2 years (735 ILCS 5/13-202)
Debt collection (written)
10 years (735 ILCS 5/13-206)
Debt collection (oral)
5 years (735 ILCS 5/13-205)
Suggested Compliance Checklist
Send demand letter (recommended)
30 days before filing days after startingSend a formal written demand to the defendant. Use certified mail with return receipt. Keep proof of mailing and delivery.
Verify claim is within $10,000 limit
Before filing days after startingConfirm the claim is at or below $10,000. If it exceeds the limit, either reduce it or file in the Circuit Court Law Division.
Confirm statute of limitations
Before filing days after startingWritten contract: 10 years. Oral contract: 5 years. Property damage: 5 years. Personal injury: 2 years.
Gather evidence
Before filing days after startingCollect contracts, receipts, photos, communications, witness contacts. Make three copies of every document.
File the complaint at Circuit Court Small Claims Division
Within applicable SOL days after startingFor claims at or under $2,500, use the Rule 282 simplified complaint form. For larger claims, use the standard small claims complaint. Pay $87 to $268 filing fee.
Serve defendant per Ill. Sup. Ct. R. 284
Before hearing per local rules days after startingUse sheriff service ($35 to $60) or certified mail with return receipt. File proof of service before the hearing.
Attend hearing with all evidence and witnesses
30 to 60 days after filing days after startingHearings are public and informal. Bring three copies of every document. Judge typically rules from the bench.
Collect judgment if you win
After 30 days unpaid days after startingFile a citation to discover assets under 735 ILCS 5/2-1402. Pursue wage garnishment, bank levy, or property lien. Post-judgment interest is 9% per year.
| Task | Description | Document | Days after starting |
|---|---|---|---|
| Send demand letter (recommended) | Send a formal written demand to the defendant. Use certified mail with return receipt. Keep proof of mailing and delivery. | demand-letter | 30 days before filing |
| Verify claim is within $10,000 limit | Confirm the claim is at or below $10,000. If it exceeds the limit, either reduce it or file in the Circuit Court Law Division. | - | Before filing |
| Confirm statute of limitations | Written contract: 10 years. Oral contract: 5 years. Property damage: 5 years. Personal injury: 2 years. | - | Before filing |
| Gather evidence | Collect contracts, receipts, photos, communications, witness contacts. Make three copies of every document. | - | Before filing |
| File the complaint at Circuit Court Small Claims Division | For claims at or under $2,500, use the Rule 282 simplified complaint form. For larger claims, use the standard small claims complaint. Pay $87 to $268 filing fee. | - | Within applicable SOL |
| Serve defendant per Ill. Sup. Ct. R. 284 | Use sheriff service ($35 to $60) or certified mail with return receipt. File proof of service before the hearing. | - | Before hearing per local rules |
| Attend hearing with all evidence and witnesses | Hearings are public and informal. Bring three copies of every document. Judge typically rules from the bench. | - | 30 to 60 days after filing |
| Collect judgment if you win | File a citation to discover assets under 735 ILCS 5/2-1402. Pursue wage garnishment, bank levy, or property lien. Post-judgment interest is 9% per year. | - | After 30 days unpaid |
Frequently Asked Questions
Illinois small claims court handles claims up to $10,000 under Illinois Supreme Court Rule 281. Claims above the limit must be filed in the Circuit Court Law Division. A plaintiff can also choose to waive the amount above $10,000 and stay in small claims to keep the procedure simple and fast.
Yes. Businesses, including corporations, partnerships, and LLCs, can sue and be sued in Illinois small claims court up to the $10,000 limit. Unlike California, Illinois does not impose a lower cap on business plaintiffs. Corporations may appear through an officer or employee for claims under $10,000 without retaining counsel.
Illinois Supreme Court Rule 284 allows service by sheriff or by certified mail with return receipt requested. Sheriff service typically costs $35 to $60 depending on county. The plaintiff is responsible for paying service costs upfront, though those costs are recoverable as part of the judgment if the plaintiff wins.
Yes. Either party can appeal a small claims judgment to the Illinois Appellate Court within 30 days of entry of judgment under Illinois Supreme Court Rule 303. Appeals are reviewed on the record, not heard de novo, so the appellate court reviews the trial transcript and exhibits rather than retrying the case.
Use a citation to discover assets under 735 ILCS 5/2-1402 to require the defendant to disclose income and property under oath. From there, you can pursue wage garnishment, bank account levy, or a lien on real estate. Post-judgment interest accrues at 9% per year under 735 ILCS 5/2-1303 until paid.
Illinois does not require a demand letter before filing a small claims lawsuit. However, sending one is strongly recommended. A demand letter creates a clear record that the plaintiff tried to resolve the dispute before suing, which judges view favorably, and it sometimes prompts payment without litigation, saving filing fees.