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Warrenville is a small city of roughly 13,000 residents located in DuPage County, in Chicago's western suburbs. The city's rental market is modest in scale but growing, and many renters commute to larger employment centers in the region. Renters in Warrenville most commonly seek information about security deposit return rules, what notice a landlord must give before ending a tenancy, and what to do when a landlord fails to make repairs.
Because Warrenville has no municipal tenant-protection ordinance of its own, the rights and responsibilities of landlords and tenants are governed entirely by Illinois state law — primarily the Illinois Security Deposit Return Act (765 ILCS 710), the Illinois Security Deposit Interest Act (765 ILCS 715), anti-retaliation provisions under 765 ILCS 720, and the Forcible Entry and Detainer Act (735 ILCS 5/9-101 et seq.) for evictions. Renters in Warrenville should become familiar with these statutes to protect themselves effectively.
This article is for informational purposes only and does not constitute legal advice. Laws can change, and individual circumstances vary. If you face a housing dispute, consult a licensed Illinois attorney or contact a legal aid organization listed at the bottom of this page.
Rent Control Status: Prohibited by State Law
Warrenville has no rent control ordinance, and it is legally barred from enacting one. Illinois state law — specifically 765 ILCS 720, known as the Rent Control Preemption Act — explicitly prohibits any unit of local government in Illinois from enacting, maintaining, or enforcing any ordinance or resolution that would control or stabilize rents. This preemption applies statewide to all municipalities and counties, including Warrenville and DuPage County.
In practice, this means your landlord in Warrenville may raise your rent by any amount and at any time, subject only to the notice requirements that apply to your lease. For a month-to-month tenancy, the landlord must give at least 30 days written notice before a rent increase takes effect. For fixed-term leases, the rent is locked in for the duration of the lease term and cannot be raised until the lease expires. There is no cap on how much rents can increase at renewal.
Renters who feel a rent increase is being used as retaliation for complaining about habitability or reporting code violations may have a claim under 765 ILCS 720/1, which prohibits landlord retaliation — but that protection is separate from rent control and does not limit the amount of any increase in a non-retaliatory context.
Illinois state law provides several important protections for renters in Warrenville. Each is described below with the relevant statutory citation.
Security Deposit Return (765 ILCS 710 & 765 ILCS 715): Landlords who hold security deposits must return them — along with an itemized statement of any deductions — within 30 days after the tenant vacates the unit. If the landlord owns 25 or more units, interest must be paid on the deposit under the Illinois Security Deposit Interest Act (765 ILCS 715). Failure to comply with these rules can entitle the tenant to recover the full deposit plus additional damages.
Implied Warranty of Habitability (Illinois Common Law): Illinois courts recognize an implied warranty of habitability in residential leases, requiring landlords to maintain rental units in a condition fit for human habitation. This includes functioning heat, plumbing, structural integrity, and freedom from significant pest infestations. If a landlord fails to make necessary repairs after receiving written notice, tenants may have remedies including rent withholding, repair-and-deduct (in limited circumstances), or lease termination — but tenants should consult an attorney before exercising these remedies.
Anti-Retaliation (765 ILCS 720/1): A landlord may not retaliate against a tenant for complaining to a government agency about housing code violations, for organizing with other tenants, or for exercising any right protected by law. Retaliatory acts include eviction, rent increases, or reduction of services within one year of a protected tenant action. A tenant who proves retaliation may recover actual damages, attorney fees, and other relief.
Notice to Terminate Tenancy: Under Illinois law (735 ILCS 5/9-207), a month-to-month tenancy requires at least 30 days written notice from either the landlord or the tenant before the tenancy can be terminated. Fixed-term leases expire on their stated end date; no additional notice is required unless the lease says otherwise.
Prohibition on Self-Help Eviction (735 ILCS 5/9-101): A landlord may not remove a tenant without a court order. Changing locks, removing doors or windows, shutting off utilities, or removing the tenant's belongings to force them out is illegal under the Forcible Entry and Detainer Act. Tenants subjected to such treatment may pursue emergency legal relief.
Security Deposit Caps: Illinois state law does not impose a statutory cap on the amount a landlord may charge as a security deposit in Warrenville. Landlords may charge any amount agreed upon in the lease. Because Warrenville has no local ordinance setting a limit, tenants should negotiate this amount before signing.
Return Deadline: Under the Illinois Security Deposit Return Act (765 ILCS 710/1), a landlord must return the security deposit — along with an itemized written statement of any deductions for damages beyond normal wear and tear — within 30 days after the tenant vacates the premises. If the landlord is making deductions for repairs, documentation such as receipts or estimates must accompany the itemization. Normal wear and tear (minor scuffs, carpet aging, fading paint) cannot be deducted.
Interest on Deposits: Under the Illinois Security Deposit Interest Act (765 ILCS 715/1), landlords who own or manage 25 or more residential units must pay interest on security deposits held for more than six months. The interest rate is set annually by the Illinois Department of Financial and Professional Regulation. Landlords of fewer than 25 units are not required to pay interest.
Penalty for Wrongful Withholding: If a landlord fails to return the deposit or provide a proper itemized statement within 30 days, the tenant is entitled to recover the full deposit amount plus damages under 765 ILCS 710/1. Tenants should send a written demand before pursuing a claim and should document the condition of the unit at move-out with photos and a written checklist.
Evictions in Warrenville are governed by the Illinois Forcible Entry and Detainer Act (735 ILCS 5/9-101 et seq.). A landlord cannot remove a tenant without following this statutory process. Here is how it works step by step:
Step 1 — Written Notice: Before filing in court, the landlord must serve the tenant with a written notice. The type and length of notice depend on the reason for eviction:
Step 2 — Court Filing: If the tenant does not comply with the notice, the landlord must file an eviction complaint in the DuPage County Circuit Court (18th Judicial Circuit). The tenant will be served with a summons and given an opportunity to appear and respond.
Step 3 — Hearing: The court holds an eviction hearing. Tenants have the right to present defenses, such as the landlord's failure to maintain habitable conditions or improper notice. If the court rules in the landlord's favor, it issues a judgment for possession.
Step 4 — Enforcement: After a judgment is entered, the landlord may request a writ of possession. Only a DuPage County sheriff's deputy may physically remove a tenant pursuant to that writ.
Self-Help Eviction is Illegal: Under 735 ILCS 5/9-101, a landlord who changes locks, shuts off utilities, removes the tenant's belongings, or otherwise attempts to force a tenant out without a court order commits an illegal self-help eviction. Tenants facing this situation should contact law enforcement and seek emergency legal assistance immediately.
Just Cause: Warrenville has no just-cause eviction ordinance. Landlords are not required to state a reason when terminating a month-to-month tenancy, as long as proper 30-day notice is given. Fixed-term lease tenants cannot be evicted mid-lease without cause.
This article is provided for general informational purposes only and does not constitute legal advice. The information presented here reflects Illinois state law and general legal principles as of April 2026 and may not account for recent legislative changes, court decisions, or local amendments. Laws affecting tenant rights can change, and individual circumstances vary significantly. Renters in Warrenville who have questions about their specific situation should consult a licensed Illinois attorney or contact a qualified legal aid organization, such as Prairie State Legal Services or Illinois Legal Aid Online, before taking action based on this information.
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