Illinois Rent Increase Limits
Does Illinois cap rent increases? Check the statewide limit, exemptions, and local rules — then test your increase.
Updated October 2026 · Reviewed by the ValidNotice editorial team · Informational only — not legal advice
Check your proposed increase
Result
Illinois rent increase rules at a glance
| Statewide cap | None — no statewide cap |
|---|---|
| Governing law | 50 ILCS 825/ (Rent Control Preemption Act) |
Does Illinois limit rent increases?
Illinois sets no statewide limit on rent increases. That is the starting point, not the whole answer: cities and counties often have their own rent rules, and your lease itself may restrict how — and how often — you can raise the rent.
No statewide cap. Illinois law preempts local rent control (Rent Control Preemption Act), so municipalities may not impose it either.
What about city and county rules in Illinois?
Illinois is unusual: state law blocks local governments from imposing rent control, so neither the state nor (generally) cities may cap your increases. The lease and any applicable notice-period rules still apply.
Exemptions: does the cap cover your property?
Rent caps almost never cover every rental unit. Common exemptions include newer construction, single-family homes, owner-occupied small buildings, and subsidized housing — but the exact list is different in every Illinois jurisdiction that has a cap. Confirm whether your specific property is covered before applying any limit; an exemption wrongly assumed is as costly as a cap wrongly ignored.
Even where no Illinois cap applies, remember the second half of a legal rent increase: proper advance notice. The required notice period varies by state and sometimes by the size of the increase — use our notice period calculator to date yours correctly.
Sources
- 50 ILCS 825/ (Rent Control Preemption Act) — Illinois Legislature — official site
- ValidNotice 50-state landlord-tenant research dataset, verified October 2026.
Frequently asked questions
Does Illinois have rent control?
No statewide rent control. Illinois sets no general limit on rent increases; limits, if any, come from city or county ordinances, so check local rules before raising rent.
What is the maximum rent increase allowed in Illinois?
There is no statewide maximum in Illinois. Your increase is limited only by the lease, any applicable local ordinance, and the notice period you must give — which the notice period calculator can date for you.
Can my city limit rent increases if Illinois does not?
Generally no — Illinois law preempts local rent control, so cities may not impose their own caps. Verify the current preemption position locally, since legislatures revisit these laws.
Do rent-cap exemptions apply to my rental property?
Possibly — caps commonly exempt new construction, single-family homes, owner-occupied small buildings, and subsidized housing. Exemptions are fact-specific: verify your property’s status against the actual statute rather than assuming you qualify.
Is this legal advice?
No. This page summarizes our researched Illinois rent-cap data, verified October 2026. Rent regulation changes frequently and exemptions are fact-specific — verify the current rules before serving a rent increase.