Cook County Mechanics Lien Preliminary 90 Day Notice Form
Last validated April 17, 2026 by our Forms Development Team
Cook County Mechanics Lien Preliminary 90 Day Notice Form
Fill in the blank Mechanics Lien Preliminary 90 Day Notice form formatted to comply with all Illinois recording and content requirements.
Cook County Preliminary 90 Day Notice Guide
Line by line guide explaining every blank on the form.
Cook County Completed Example of the Preliminary 90 Day Notice Document
Example of a properly completed form for reference.
All 3 documents above included • One-time purchase • No recurring fees
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Additional Illinois and Cook County documents included at no extra charge:
Where to Record Your Documents
Downtown Office Chicago Court Building
Chicago, Illinois 60602
Hours: 9:00 a.m. - 5:00 p.m. M-F
Phone: (312) 603-5050
Markham Court Building
Markham, Illinois 60426
Hours: 8:30 a.m. - 4:30 p.m. M-F (Note: ALL DOCUMENTS must be recorded at the Clerk's downtown office)
Phone: (708) 210-4448
Rolling Meadows Court Building
Rolling Meadows, Illinois 60008
Hours: 8:30 a.m. - 4:30 p.m. M-F (Note: ALL DOCUMENTS must be recorded at the Clerk's downtown office)
Phone: (847) 818-2070
Bridgeview Court Building
Bridgeview, Illinois 60455
Hours: 8:30 a.m. - 4:30 p.m. M-F (Note: ALL DOCUMENTS must be recorded at the Clerk's downtown office)
Phone: (708) 974-6397
Recording Tips for Cook County:
- Ask if they accept credit cards - many offices are cash/check only
- White-out or correction fluid may cause rejection
- Request a receipt showing your recording numbers
- Leave recording info boxes blank - the office fills these
Cities and Jurisdictions in Cook County
Properties in any of these areas use Cook County forms:
- Alsip
- Arlington Heights
- Bedford Park
- Bellwood
- Berkeley
- Berwyn
- Blue Island
- Bridgeview
- Broadview
- Brookfield
- Burbank
- Calumet City
- Chicago
- Chicago Heights
- Chicago Ridge
- Cicero
- Country Club Hills
- Des Plaines
- Dolton
- Elk Grove Village
- Elmwood Park
- Evanston
- Evergreen Park
- Flossmoor
- Forest Park
- Franklin Park
- Glencoe
- Glenview
- Glenwood
- Golf
- Hanover Park
- Harvey
- Harwood Heights
- Hazel Crest
- Hickory Hills
- Hillside
- Hines
- Hoffman Estates
- Hometown
- Homewood
- Justice
- Kenilworth
- La Grange
- La Grange Park
- Lansing
- Lemont
- Lincolnwood
- Lyons
- Markham
- Matteson
- Maywood
- Melrose Park
- Midlothian
- Morton Grove
- Mount Prospect
- Niles
- Northbrook
- Oak Forest
- Oak Lawn
- Oak Park
- Olympia Fields
- Orland Park
- Palatine
- Palos Heights
- Palos Hills
- Palos Park
- Park Forest
- Park Ridge
- Posen
- Prospect Heights
- Richton Park
- River Forest
- River Grove
- Riverdale
- Riverside
- Robbins
- Rolling Meadows
- Schaumburg
- Schiller Park
- Skokie
- South Holland
- Steger
- Stone Park
- Streamwood
- Summit Argo
- Techny
- Thornton
- Tinley Park
- Westchester
- Western Springs
- Wheeling
- Willow Springs
- Wilmette
- Winnetka
- Worth
Hours, fees, requirements, and more for Cook County
How do I get my forms?
Forms are available for immediate download after payment. The Cook County forms will be in your account ready to download to your computer. An account is created for you during checkout if you don't have one. Forms are NOT emailed.
Are these forms guaranteed to be recordable in Cook County?
Yes. Our form blanks are guaranteed to meet or exceed the applicable formatting requirements used for recording in Cook County, including margin requirements, font requirements, and other layout standards. This guarantee applies to formatting, not to the legal sufficiency of information entered by the user or the suitability of a form for a particular transaction.
Can I reuse these forms?
Yes. You can reuse the forms for your personal use. For example, if you have multiple properties in Cook County you only need to order once.
What do I need to use these forms?
The forms are PDFs that you fill out on your computer. You'll need Adobe Reader (free software that most computers already have). You do NOT enter your property information online - you download the blank forms and complete them privately on your own computer.
Are there any recurring fees?
No. This is a one-time purchase. Nothing to cancel, no memberships, no recurring fees.
How much does it cost to record in Cook County?
Recording fees in Cook County vary. Contact the recorder's office at (312) 603-5050 for current fees.
Questions answered? Let's get started!
This statutory form is meant for use by subcontractors or others who are not directly contracted for work with the property owner.
For residential, owner-occupied projects, the 90-day notice form is the second preliminary notice sent in anticipation of filing a lien (the 60-day notice must be served beforehand sent via certified mail within 60 days from the first furnishing). For a commercial project, the 90-day form is the first notice sent to the owner. Either way, both commercial and residential jobs require the 90-day notice prior to filing a lien. 770 Ill. Comp. Stat. 60/24(a).
The 90-day notice is a demand for payment that must be sent by all contractors, subcontractors, laborers, and material/equipment suppliers who have not directly contracted with the owner or the owner's agent. Note that all eligible workers must send the notice within 90 days after the final furnishing of work or delivery of materials to the jobsite. Id. Any substantial additional or extra work can enlarge the time, but mere corrections of previously completed work will not affect the end date. Be aware the time is 90 days, not three months, so count 90 days from the date labor or materials were last furnished.
Serve the notice either through personal service by using a process server, or use the easier and less expensive option of certified mail. The notice does not have to be recorded but keep track of all dates and confirmations of receipt of service to help create a paper trail if a lien becomes necessary. If the deadlines are near, consider a process server. If mailing, serve the notice by certified mail, return receipt requested on the owner, the mortgage lenders, and the general contractor.
The 90-day notice must be verified which means the contractor's signature represents the contents of the notice are accurate and true. The notice must also be notarized by signing it in front of a licensed Notary Public who affixes his or her seal to the document.
This article is provided for informational purposes only and does not constitute legal advice. If you have any questions about mechanic's liens, including the preliminary notices, please consult an attorney.
Important: Your property must be located in Cook County to use these forms. Documents should be recorded at the office below.
This Mechanics Lien Preliminary 90 Day Notice meets all recording requirements specific to Cook County.
Our Promise
The documents you receive here are guaranteed to meet or exceed the applicable Cook County recording format requirements. If there is a rejection caused by our formatting, we will correct the issue or refund your payment. This guarantee applies to document formatting only and does not extend to information entered by the user, the selection of the form, or the legal effect of the completed document.
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