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Illinois Rent Increase Calculator 2025 Local Only

Statutory cap, exemptions, and notice rules under Chicago RLTO § 5-12 / Chicago Residential Tenant and Landlord Ordinance (2024 RC amendment)

No capNo statewide rent increase limit
2Cities with local ordinances
$1,046/mo Statewide median rent (ACS 2023)
4.8/10 Avg landlord risk score
Illinois has no statewide rent cap — but some cities and counties have their own ordinances. If you live in one of the jurisdictions listed below, a local cap may apply. For all other Illinois cities, landlords may raise rent by any amount with proper notice.

How Rent Increases Work in Illinois

Chicago enacted a rent stabilization ordinance in 2024. Evanston has had rent control for manufactured housing. Outside those two cities, no Illinois municipality has an active rent increase cap.

Key Rules Summary

RuleRequirementSource
Statewide cap None Chicago RLTO § 5-12 / Chicago Residential Tenant and Landlord Ordinance (2024 RC amendment)
2025 maximum increase No limit
Notice required Typically 30–60 days written notice State landlord-tenant law
Retaliation prohibited Yes — increases cannot be retaliatory or discriminatory Federal Fair Housing Act + state law

Units Exempt from the Cap

Even where a cap applies, the following unit types are typically not covered:

If your unit is exempt, the landlord may raise rent to any market-rate amount with proper notice.

Cities with Local Rent Control Ordinances

These Illinois cities currently have or are actively developing rent stabilization ordinances. Caps and covered-unit definitions vary — check your city's municipal code or housing authority for the current allowable increase.

Frequently Asked Questions

How much can a landlord raise rent in Illinois in 2025?

Illinois has no statewide rent increase cap. Some cities and counties have local ordinances — check your specific municipality.

Is rent control legal in Illinois?

Yes — while Illinois has no statewide cap, local governments are permitted to enact rent control ordinances, and some have.

How much notice must a landlord give before raising rent in Illinois?

In Illinois, landlords must generally provide at least 30 days' written notice before increasing rent for month-to-month tenants. For covered units under Chicago RLTO § 5-12 / Chicago Residential Tenant and Landlord Ordinance (2024 RC amendment), any increase above the allowable cap requires proper written notice and may require additional disclosures.

Does the rent increase cap apply to my apartment in Illinois?

In Illinois, there is no statewide cap. The increase can be any amount as long as proper notice is given and the increase is not retaliatory or discriminatory.

Related Guides for Illinois Landlords

Rent Increase Laws in Other States

Statutory data sourced from published Illinois law (Chicago RLTO § 5-12 / Chicago Residential Tenant and Landlord Ordinance (2024 RC amendment)), BLS Consumer Price Index (2024–2025), and state agency publications. Census ACS 2023 5-Year Estimates for median rent. Last updated April 29, 2026. This page is informational only and does not constitute legal advice.