How to Execute a Commercial Eviction in Illinois: Timelines, Costs, and the Forcible Entry Act

Current as of: September 19, 2026 Commercial Real Estate & Leasing Illinois
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To legally evict a commercial tenant in Illinois, landlords must strictly follow the Eviction Act, starting with a 5-day written notice for unpaid rent. Filing an eviction lawsuit in county courts typically costs $300 to $400 in court fees, plus attorney costs, and the entire process usually takes between two to four months.

Understanding the Commercial Eviction Process in Illinois

Evicting a business from a commercial property is a highly rigid legal procedure. In Illinois, commercial evictions are governed by the Forcible Entry and Detainer laws, formally housed within the Eviction Article of the Code of Civil Procedure (735 ILCS 5/§ 9-101). Unlike residential evictions, which are heavily weighted toward protecting the tenant, commercial evictions generally favor the written terms of the lease agreement.

However, landlords cannot simply change the locks or shut off the electricity-this is known as an illegal 'self-help' eviction and can result in massive financial penalties for the landlord. The court process must be followed perfectly. If you are a property owner seeking to reclaim your space, you can easily find a qualified local attorney to handle the litigation in our US lawyer directory.

Commercial Eviction Scenarios: Recognizing the Differences

The urgency and complexity of an eviction often depend on the specific type of commercial property you are managing.

Retail Storefronts

Retail evictions often happen quickly due to unpaid rent. The biggest challenge in retail evictions is dealing with inventory left behind. Landlords must understand how to legally dispose of or auction off a tenant's remaining store fixtures and merchandise without violating state conversion laws.

Industrial Warehouses

Evicting a tenant from an industrial or manufacturing space often involves environmental concerns. If a tenant abandons machinery or hazardous chemicals, the landlord may need to engage the EPA before the space can be re-rented. The eviction lawsuit must demand monetary damages to cover these specialized clean-up costs.

Corporate Office Spaces

Office evictions are frequently triggered by lease expirations or unauthorized subleasing rather than simple non-payment of rent. In these cases, the 5-day notice does not apply; instead, a 10-day or 30-day notice for breach of lease terms is generally required.

Step-by-Step Eviction Timeline

Illinois courts demand absolute precision. A single typo on an eviction notice can force a landlord to start the entire process over. As established in Circle Management, LLC v. Olivier, 378 Ill. App. 3d 601 (IL Appellate Court 2007), strict compliance with statutory notice requirements is mandatory to give the court jurisdiction over the eviction.

Step 1: Serve the Statutory Notice

The process begins with delivering a formal written notice to the tenant. If the tenant has failed to pay rent, the landlord must serve a 5-Day Notice under 735 ILCS 5/§ 9-209. This gives the tenant exactly five days to pay the total amount owed or vacate. If the eviction is for a non-rent breach (like unauthorized renovations), a 10-Day Notice is required.

Step 2: File the Eviction Lawsuit

If the tenant does not comply with the notice, the landlord must file a formal complaint for eviction in the county where the property is located, such as the Circuit Court of Cook County, Chicago or the DuPage County Circuit Court, Wheaton. The court will issue a Form CCM 0081 A, Illinois, Circuit Court of Cook County, Eviction Summons (Non-Residential), which must be formally served to the tenant by the county sheriff or a licensed private detective.

Step 3: Attend the Court Hearing

At the initial hearing, the judge will ask if the tenant contests the eviction. Because commercial leases are usually straightforward business contracts, judges often grant an order of possession relatively quickly if rent has clearly not been paid. The court will then issue an Form E-O 3500.3, Illinois, Illinois Courts, Eviction Order, officially demanding the tenant leave.

Step 4: Sheriff Execution

If the tenant refuses to leave after the judge signs the order, the landlord must take the Order for Possession to the county sheriff. Only armed law enforcement officers are legally authorized to physically remove a tenant and oversee the changing of the locks.

How Much Does a Commercial Eviction Cost?

Evicting a commercial tenant requires paying court filing fees, process servers, and sheriff enforcement fees.

Court Filing Fees$300 - $450Varies heavily by county and the monetary amount being sued for.
Process Server / Sheriff Service$60 - $150Required to officially serve the summons to the tenant.
Attorney Litigation Fees$1,500 - $5,000+Uncontested evictions are cheaper; contested trials will cost significantly more.

Frequently Asked Questions (FAQ)

Can I lock a commercial tenant out if they are 3 months behind on rent?

No. Illinois strictly prohibits self-help evictions. You must go through the formal court process to get an Order for Possession, even if the tenant is severely behind on their payments.

How long does the entire eviction process take?

If the eviction is uncontested, it typically takes 6 to 10 weeks from the delivery of the 5-day notice to the actual sheriff lock-out. If the tenant fights the lawsuit, it can stretch to several months.

Can a commercial tenant stop the eviction by paying partial rent?

If a landlord accepts partial payment during the 5-day notice period, they may inadvertently waive their right to evict. It is crucial to consult a lawyer before accepting any money from a defaulting tenant.

Do I have to store the commercial tenant's abandoned equipment?

Commercial leases generally dictate what happens to abandoned property. Often, landlords can claim the property to offset unpaid rent, but they must adhere strictly to the lease terms to avoid being sued for theft.

Can I sue for the remainder of the lease term if I evict them?

Yes. Many commercial leases include an 'acceleration clause,' allowing you to sue for the unpaid rent spanning the rest of the lease contract, though landlords also have a duty to try and re-rent the space to mitigate damages.


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