How many days' notice must a landlord give before raising rent in Illinois?

No rent-increase statute — notice derives from tenancy-termination rules (see summary).

Does Illinois have rent control?

No — Illinois has no statewide rent control or stabilization.

Does Illinois preempt local rent control ordinances?

Illinois's Rent Control Preemption Act forbids every unit of local government, including home-rule cities such as Chicago, from controlling the amount of rent charged for private residential or commercial property; the only exception is residential property in which the local government itself has a property interest.

Can a landlord raise the rent during a fixed-term lease in Illinois?

No Illinois statute lets a landlord raise rent during a fixed-term lease or sets a notice period for doing so, so the lease governs until its term ends. A lease for a fixed term expires at the end of the term with no notice to quit required (735 ILCS 5/9-213), so a new rent can take effect at renewal; a tenant holding over without special agreement on a tenancy of less than a year can be given 30 days' written notice ending the tenancy (735 ILCS 5/9-207(b)).

How much notice is required to raise the rent in Illinois?

Verified October 1, 2026 All Illinois topics →

Legislative changes ahead — not yet in force. This page reflects the law in force today. The following measure would change Illinois's landlord-tenant law:

SB 1260 (104th General Assembly, 2025-2026) — Would repeal the Rent Control Preemption Act (50 ILCS 825), removing the statewide bar on local rent control. Status: Filed January 28, 2025 and referred to the Senate Committee on Assignments the same day; no committee or floor action since. It dies when the 104th General Assembly's term ends in January 2027. (checked October 1, 2026).

Illinois has no general statute setting a notice period for rent increases; the effective floor for a month-to-month tenancy is the termination rule in 735 ILCS 5/9-207(b), 30 days' written notice, because a tenant who rejects the new rent is on notice the tenancy can end on that same timeline.

Cited to 735 ILCS 5/9-207 and 3 more cited sources · Verified October 1, 2026

Mobile home park lots are the exception: a park owner must give 90 days' notice of any rent increase (765 ILCS 745/6(d)). Illinois has no statewide rent control, and the Rent Control Preemption Act of 1997 (50 ILCS 825) bars every Illinois city and county from enacting residential rent control or rent stabilization. The Act has not been amended or repealed since it took effect in 1997.

Illinois rent increase notice at a glance

Notice — month-to-month	No rent-increase statute — notice derives from tenancy-termination rules (see summary)
Varies by increase size	Not addressed by statute
Fixed-term leases	No Illinois statute lets a landlord raise rent during a fixed-term lease or sets a notice period for doing so, so the lease governs until its term ends. A lease for a fixed term expires at the end of the term with no notice to quit required (735 ILCS 5/9-213), so a new rent can take effect at renewal; a tenant holding over without special agreement on a tenancy of less than a year can be given 30 days' written notice ending the tenancy (735 ILCS 5/9-207(b)).
Statewide rent control / stabilization	No
Rent control details	Not addressed by statute
Local rent regulation	Illinois's Rent Control Preemption Act forbids every unit of local government, including home-rule cities such as Chicago, from controlling the amount of rent charged for private residential or commercial property; the only exception is residential property in which the local government itself has a property interest.
Frequency limits	Not addressed by statute

Cite this page: "Landlord Atlas, Illinois Rent Increase Notice Laws (verified October 1, 2026), landlordatlas.com/laws/rent-increase-notice/illinois/" — free to cite and quote with a link (how these records are verified). Everything above is cited in the citations section below.

Create a Illinois rent-increase notice — free, no signup, built on the same verified Illinois law as this page.

Notes and caveats

The 'once per year' claim has no statutory basis — Claims circulating online that Illinois limits month-to-month rent increases to once per year have no basis in any Illinois statute.
The notice figure is derived, not written in a rent-increase statute — No month-to-month notice figure is shown because Illinois has no general rent-increase notice statute; the effective requirement derives from the termination statute (735 ILCS 5/9-207(b)): a tenant who rejects the new rent is on notice the tenancy can end on that same timeline. The one statewide rent-increase notice rule covers mobile home park lots, where 90 days' notice is required (765 ILCS 745/6(d)).
Chicago requires far longer notice — Chicago's RLTO imposes its own notice requirements for lease non-renewals and increases — up to 120 days depending on tenancy length. That is a local ordinance, out of scope for this state-level record.

Common questions: Illinois rent increase notice

Each answer is the verified value from the table above, restated as a direct answer. Free to quote with a link to this page.

How many days' notice must a landlord give before raising rent in Illinois?: No rent-increase statute — notice derives from tenancy-termination rules (see summary).
Does Illinois have rent control?: No — Illinois has no statewide rent control or stabilization.
Does Illinois preempt local rent control ordinances?: Illinois's Rent Control Preemption Act forbids every unit of local government, including home-rule cities such as Chicago, from controlling the amount of rent charged for private residential or commercial property; the only exception is residential property in which the local government itself has a property interest.
Can a landlord raise the rent during a fixed-term lease in Illinois?: No Illinois statute lets a landlord raise rent during a fixed-term lease or sets a notice period for doing so, so the lease governs until its term ends. A lease for a fixed term expires at the end of the term with no notice to quit required (735 ILCS 5/9-213), so a new rent can take effect at renewal; a tenant holding over without special agreement on a tenancy of less than a year can be given 30 days' written notice ending the tenancy (735 ILCS 5/9-207(b)).
How often can a landlord raise the rent in Illinois?: Not addressed by statute.

Citations

735 ILCS 5/9-207 (verified 2026) Official source
50 ILCS 825 (Rent Control Preemption Act) (verified 2026) Official source
735 ILCS 5/9-213 (expiration of a fixed term) (verified 2026) Official source
765 ILCS 745/6 (Mobile Home Landlord and Tenant Rights Act; rent-increase notice) · (d), (f) (verified 2026) Official source

How this record was verified: Web verification against ilga.gov (official Illinois General Assembly ILCS database) for the Security Deposit Return Act (765 ILCS 710), Security Deposit Interest Act (765 ILCS 715), Landlord and Tenant Act (765 ILCS 705), Rent Control Preemption Act (50 ILCS 825), and 735 ILCS 5/9-207, with statute text confirmed via current-year compiled-statute mirrors of the ilga.gov database and IDFPR official guidance on deposit interest rates. September 5, 2026 addendum: the decisive figures touched by the 2025-2026 enactments reviewed that day were re-read on the official host — 735 ILCS 5/9-106 and 5/9-121 and the Landlord Retaliation Act, 765 ILCS 721, on ilga.gov; the earlier reads stand as recorded. October 1, 2026: every section the security deposit, rent increase, late fee and entry answers rest on was read again on ilga.gov, with each section's source line and the Public Acts of the 104th General Assembly through Public Act 104-0854: the Security Deposit Return Act, the Security Deposit Interest Act, the Landlord and Tenant Act, the Mobile Home Landlord and Tenant Rights Act (765 ILCS 745), the Rent Control Preemption Act, 735 ILCS 5/9-207 and 5/9-213, and 420 ILCS 46/26 and 46/30. That reading found that Public Act 103-224 removed the five-unit threshold from the Security Deposit Return Act effective January 1, 2024; these pages had still stated the threshold and were corrected the same day. No act of the 104th General Assembly amends the deposit, interest or preemption acts; Public Act 104-479 adds 765 ILCS 705/35 from January 1, 2027.