Illinois Rent Increase Template
Fill in a short form and download a signature ready rent increase that follows Illinois landlord tenant rules. Illinois requires written notice of any rent increase with the proper advance period. The controlling statute, 765 ILCS 705, 710, 715, 720, 742, is cited in the PDF header. This is a software product, not legal advice.
No account. One-time payment. Signature-ready PDF in five minutes.
If any of these sound like you.
- ·You plan to raise rent on an existing Illinois tenancy and want to serve the notice with the correct advance-notice period.
- ·You want the percentage increase calculated for you and any rent-control or rent-stabilized flag surfaced automatically.
- ·You want a written record with a clean signature line, not a text message or a verbal update.
Illinois rules at a glance.
Chicago Residential Landlord and Tenant Ordinance (RLTO) imposes stricter rules on Chicago units including security deposit interest obligations.
- Security deposit return
- 30 days
- Pay or quit period
- 5 days
- Month to month notice
- 30 days
The template mechanics.
The rent increase wizard asks for the current rent, the new rent, the proposed effective date, and the notice date. LeaseKit calculates the percentage increase, applies the correct Illinois advance notice rule, and flags any shortfall if the effective date is too close. Rent controlled or rent stabilized units require additional compliance that the PDF calls out.
Honest limits.
LeaseKit is a document service built by a small team of legal researchers and developers, tailored to each state’s landlord tenant rules. For a rent increase in Illinois, we assemble the clauses that belong in the document and fill in your details.
It is not a substitute for a licensed attorney on a specific dispute. Housing law changes year to year. Template content is based on publicly available rules as of early 2026. Verify the notice periods and caps against current Illinois law before using the PDF for anything time sensitive.
Common questions.
How much advance notice does Illinois require?+
It depends on the length of tenancy and the size of the increase. LeaseKit applies the correct advance-notice rule automatically based on your inputs and flags any shortfall if your proposed effective date is too close.
Free templates exist. Why pay for this?+
Free blank templates are fine if you are comfortable researching which Illinois clauses are mandatory, editing legal language yourself, and formatting the result for signature. This page generates a Illinois-specific document with the required disclosures, caps, and notice periods already in place, as a signature-ready PDF. Pay $19 once, download, done.
Do you store my data?+
Submissions are HMAC signed and encoded in the URL, not saved to a database. No account. After you download, nothing about the submission is retained.
What if I need to make edits later?+
The PDF is a flat file once downloaded. If you want a revised version, run the wizard again with the updated inputs and download a fresh copy.
What landlords ask about IL
- What is the security deposit cap in Illinois?
- Illinois does not have a statewide statutory cap on the security deposit amount. Local ordinances in specific cities may impose caps. Reference: 765 ILCS 705, 710, 715, 720, 742.
- How long does a landlord have to return a security deposit in Illinois?
- Illinois requires the landlord to return the security deposit (or an itemized statement of deductions) within 30 days of the tenant vacating. Reference: 765 ILCS 705, 710, 715, 720, 742. Missing the deadline can forfeit the landlord's right to withhold any portion of the deposit and, in some states, expose the landlord to double or treble damages.
- How much notice is required for a rent increase in Illinois?
- Illinois requires 30 days of advance written notice for a rent increase. Reference: 765 ILCS 705, 710, 715, 720, 742.
- What is the late fee cap in Illinois?
- Illinois does not impose a specific statutory percentage cap on late fees. Courts generally require the fee to be reasonable and tied to the landlord's actual damages. Reference: 765 ILCS 705, 710, 715, 720, 742.
- How many days is the pay-or-quit notice in Illinois?
- Illinois requires a 5-day pay-or-quit notice before an unlawful detainer or eviction filing can be initiated for non-payment of rent. Reference: 765 ILCS 705, 710, 715, 720, 742.
- How much notice terminates a month-to-month tenancy in Illinois?
- Illinois requires 30 days of written notice to end a month-to-month tenancy. Reference: 765 ILCS 705, 710, 715, 720, 742.
- What mandatory disclosures does Illinois require in a lease?
- Illinois leases must include these disclosures: Federal lead-based paint disclosure (pre-1978 units); Radon disclosure (Illinois Radon Awareness Act, 420 ILCS 46); Utility cost disclosure (765 ILCS 735/5); Concessions disclosure (765 ILCS 730); Chicago RLTO summary attached (Chicago units). Missing a required disclosure can invalidate the lease's enforceability on that point and sometimes on the lease as a whole. Reference: 765 ILCS 705, 710, 715, 720, 742.
- Which Illinois statute governs landlord-tenant law?
- Chicago Residential Landlord and Tenant Ordinance (RLTO) imposes stricter rules on Chicago units including security deposit interest obligations. The primary citation used across LeaseKit templates for this state is: 765 ILCS 705, 710, 715, 720, 742.