GCs deal directly with the owner, fewer notice requirements, but the same strict recording and enforcement deadlines
Illinois General Contractor Mechanic Lien Deadlines
Last updated: March 2026
How Illinois Law Defines a General Contractor
Under the Illinois Mechanics Lien Act (770 ILCS 60), a general contractor is the party that enters into a direct contract with the property owner for the improvement of real property. The GC may self-perform work, hire subcontractors, or both, but the defining characteristic is the direct contractual relationship with the owner.
This direct relationship is what separates a general contractor from a subcontractor, who contracts with the GC (or another sub) rather than the owner. The distinction matters because Illinois imposes different notice requirements and deadlines depending on whether you have a direct contract with the owner.
A party that self-styles as a "general contractor" but does not have a direct contract with the property owner is treated as a subcontractor for purposes of the Mechanics Lien Act, and must comply with all subcontractor notice requirements, including the Section 24 notice.
Why General Contractors Are Exempt from Notice Requirements
The notice requirements under 770 ILCS 60 exist because the property owner may not know who is working on the project below the general contractor level. A homeowner who hires a GC to build an addition may have no idea which plumber, electrician, or material supplier the GC brought onto the job. The statutory notices, the 60-day residential notice and the 90-day Section 24 notice, exist to alert the owner to these unknown parties before they can place a lien on the property.
A general contractor needs no such introduction. The owner hired the GC directly, signed a contract with the GC, and knows exactly who the GC is and what work is being performed. For this reason, the Mechanics Lien Act does not require a general contractor to serve any preliminary notice on the owner before recording a mechanic lien.
GC Notice Exemptions
- 60-Day Residential Notice (770 ILCS 60/5): Not required, applies only to subcontractors and suppliers on owner-occupied homes
- 90-Day Section 24 Notice (770 ILCS 60/24): Not required, applies only to parties without a direct contract with the owner
Caution: If you call yourself a "general contractor" but your contract is with another contractor, not the property owner, Illinois law treats you as a subcontractor. You must comply with all subcontractor notice requirements or risk losing your lien rights entirely.
General Contractor Mechanic Lien Deadlines
While general contractors are exempt from notice requirements, they are still subject to two critical deadlines. Both are measured from the last date of furnishing labor or materials to the project. Missing either deadline permanently weakens or destroys the lien.
Lien Recording Deadline, 770 ILCS 60/7
The general contractor must record a verified lien claim with the County Recorder of Deeds within four calendar months of the last date of furnishing labor or materials to the project. The four months are calculated as calendar months, not 120 days.
If you miss this deadline: The lien loses priority against construction lenders, mortgagees, and purchasers. The lien may still be enforceable against the original owner if suit is filed within two years, but losing third-party priority severely limits its practical value.
Foreclosure Lawsuit Deadline, 770 ILCS 60/7
After recording the lien, the general contractor must file a foreclosure lawsuit within two years of the last date of furnishing labor or materials. If the GC does not file suit within this period, the lien expires by operation of law.
Section 34 danger: If the property owner serves a Section 34 demand under 770 ILCS 60/34, this 2-year deadline compresses to just 30 days. The GC must file a foreclosure action within 30 days of receiving the demand or the lien is automatically forfeited.
General Contractor vs. Subcontractor: Deadline Comparison
| Requirement | General Contractor | Subcontractor |
|---|---|---|
| 60-Day Residential Notice | Not required | Required (owner-occupied) |
| 90-Day Section 24 Notice | Not required | Required |
| 4-Month Lien Recording | Required | Required |
| 2-Year Foreclosure | Required | Required |
Not sure which deadlines apply to you? Use our free deadline calculator to see every deadline based on your role and project type.
Related Resources
All Mechanic Lien Deadlines
Complete deadline reference for every role
Subcontractor Deadlines
60-day, 90-day, 4-month, and 2-year timelines
4-Month Recording Deadline
Deep dive on the lien recording window
Lien Foreclosure Lawsuits
How to enforce a recorded mechanic lien
Section 34 Demand
The 30-day forced foreclosure notice
Illinois Mechanic Lien Law
Full guide to 770 ILCS 60
General Contractor Lien Deadline FAQs
No. Under the Illinois Mechanics Lien Act, the Section 24 notice requirement (770 ILCS 60/24) applies only to subcontractors and suppliers who do not have a direct contract with the property owner. Because a general contractor contracts directly with the owner, the owner already knows who the GC is and what work is being performed. The GC's primary deadlines are the 4-month recording and 2-year foreclosure windows.
Under 770 ILCS 60/7, a general contractor must record its mechanic lien claim with the County Recorder of Deeds within four months of the last date of furnishing labor or materials to the project. The four months are measured in calendar months, not 120 days. Missing this deadline causes the lien to lose priority against construction lenders, mortgagees, and subsequent purchasers.
A lien recorded after the 4-month window loses priority against third parties, lenders, purchasers, and other encumbrancers. However, the lien may still be enforceable against the original property owner if suit is filed within two years of the last furnishing date. As a practical matter, losing third-party priority often renders the lien significantly less valuable as a collection tool.
A general contractor must file a foreclosure lawsuit within two years of the last date of furnishing labor or materials. If the property owner serves a Section 34 demand under 770 ILCS 60/34, this deadline compresses to just 30 days. Failure to file suit within the applicable period causes the lien to expire by operation of law.
A Section 34 demand is a written notice from the property owner requiring the lien claimant to file a foreclosure lawsuit within 30 days. If the general contractor does not file suit within 30 days of receiving a properly served Section 34 demand, the lien is automatically forfeited, regardless of how much time remained on the original 2-year deadline. This is one of the most dangerous deadlines in Illinois mechanic lien law.
No. The 60-day residential notice under 770 ILCS 60/5 and 60/21 applies only to subcontractors and suppliers on owner-occupied, single-family residential projects. General contractors with a direct contract with the property owner are exempt from this notice requirement because the owner already has direct knowledge of the GC's involvement.
No. Mechanic liens cannot attach to government-owned property in Illinois. On public construction projects, the general contractor's remedy for nonpayment is a breach of contract action against the public body. If the GC posted a payment bond, unpaid subcontractors and suppliers may file bond claims against the surety, but the GC itself does not file a bond claim against its own bond.
The last date of furnishing is the final date on which the general contractor provided labor or materials that contributed to the improvement of the property. Warranty callbacks, punch list corrections requested by the owner, and return trips for minor deficiencies may or may not extend the deadline depending on the circumstances. The safest practice is to measure from the last date of substantive, improvement-related work.