Illinois Legal Guide
Full guide · Updated for 2026
Small Claims
$10,000
Filed in Small Claims Court (Circuit Court). No lawyer required below this amount.
Open the calculator →Security Deposits
45 days
Deadline for landlords to return a deposit or send an itemized deduction list after move-out.
What to do if it’s late →Eviction Notice
5 days
Minimum written notice a landlord typically must give before starting eviction proceedings.
Statute of Limitations
10 years
Time limit to sue over a breached written contract in Illinois.
Employment
At-will
Employers can generally terminate without cause, subject to federal anti-discrimination and retaliation protections.
Check overtime pay owed →What Makes Illinois Different
Illinois gives a long 10-year window to sue on written contracts, among the longest in the nation.
Illinois’s $10,000 small claims limit sits above the 50-state median of 7500 — meaning more disputes qualify for a fast, self-represented filing before you'd need to escalate to a formal civil suit.
On security deposits, Illinois gives landlords 45 days to act — below the 50-state median of 30 days. That's a longer window than most states give landlords, so don't assume a violation just because a few weeks have passed — check the exact number above first. Once that window closes without an itemized deduction list, you have real leverage to demand the full amount back — see our Security Deposit Checker to see exactly where you stand.
For eviction, Illinois generally requires 5 days’ written notice before a landlord can start formal proceedings — regardless of that number, only a court can order an actual eviction; a landlord changing your locks or removing belongings without a court order is illegal self-help eviction in every state, Illinois included.
Free Tools & Guides for Illinois
Every link below is a working tool or guide — not a placeholder.