Cook County (Chicago) Mechanics Lien Filing Guide & Deadlines
Official recording office, statutory fees, and filing deadlines for contractors and suppliers working in Cook County (Chicago), Illinois.
❓ Frequently Asked Questions: Cook County (Chicago) Mechanics Liens
Where do I mail my mechanics lien in Cook County (Chicago)?
Mail or deliver the original signed and notarized document to: Cook County Clerk's Office - Recording Division, 118 N. Clark Street, Room 120, Chicago, IL 60602. Ensure you include a self-addressed stamped envelope for the return of your recorded document.
Can I file a mechanics lien online in Cook County (Chicago)?
Yes, Cook County (Chicago) permits electronic recording (e-Recording) through certified submitters such as Simplifile, CSC, or ePN. Individuals and small contractors can record directly in person or via an approved third-party filing partner.
What happens if I miss the Illinois preliminary notice deadline?
In Illinois, missing preliminary notice deadlines significantly restricts your recovery rights. Under 770 ILCS 60/ (Illinois Mechanics Lien Act), untimely notice limits your lien claim strictly to work performed in the preceding period or may waive lien rights completely.