Illinois Mechanic's Lien Law at a Glance
Governing Statute
770 ILCS 60/1 et seq. — Mechanic's Liens
Lien Filing Deadline
You must file your lien within 4 months of the completion of the work or last date of furnishing materials. Miss this deadline and you permanently lose your lien right.
Preliminary Notice Requirement
Illinois requires a Notice of Lien (770 ILCS 60/24) to be served on the property owner (subcontractors must notify within 60 days of first work) within 60 days of starting work. Failure to provide this notice may void your lien right.
Key Facts
- Filing location: recorder of deeds in the county where the property is located
- Enforcement deadline: 2 years after filing to commence foreclosure
- Contractor license: Not required for lien rights
- Bond alternative: Property owner may bond off the lien
- Small claims limit: $10,000
- Residential note: residential owner-occupied of 4 or fewer units has additional notice requirements
What Your Illinois Demand Letter Includes
Every letter is built from Illinois's actual mechanic's lien statute — not a generic template.
Exact Statute Citation
770 ILCS 60/1 et seq. cited by section number. The other party sees you know the law.
Deadline Calculation
4 months from your last work date, computed automatically from your specific dates.
Notice Compliance
References your compliance with Illinois's preliminary notice requirements.
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Illinois Mechanic's Lien FAQ
How long do I have to file a mechanic's lien in Illinois?
Under 770 ILCS 60/1 et seq., you have 4 months from the completion of the work or last date of furnishing materials to file a mechanic's lien. Missing this deadline permanently forfeits your lien right.
Does Illinois require a preliminary notice before filing a lien?
Yes. Illinois requires a Notice of Lien (770 ILCS 60/24) to be served on the property owner (subcontractors must notify within 60 days of first work) within 60 days. Failure to provide this notice may void your lien right.
Where do I file a mechanic's lien in Illinois?
In Illinois, mechanic's liens are filed with the recorder of deeds in the county where the property is located. The lien must be filed within the statutory deadline of 4 months.
How long do I have to enforce a mechanic's lien in Illinois?
After filing the lien, you have 2 years to commence a foreclosure action to enforce the lien under 770 ILCS 60/1 et seq.. If you don't file suit within that window, the lien expires.
Can a property owner remove a mechanic's lien in Illinois?
Yes. In Illinois, a property owner can post a surety bond to "bond off" the mechanic's lien from the property. The lien then attaches to the bond instead of the property, allowing the owner to sell or refinance.
Do I need a lawyer to send a lien demand letter in Illinois?
No. A demand letter is a formal written notice, not a lawsuit. You can send one yourself. Our tool generates a Illinois-specific demand letter citing 770 ILCS 60/1 et seq. so the other party knows you understand your rights and the applicable deadlines.
Mechanic's Lien Demand Letters by State
Select your state to see lien deadlines and generate your letter.