What do official Illinois sources say about mechanic's liens on a home?

The Illinois Mechanics Lien Act is the official source quoted on the contractor's sworn statement and the notice for owner-occupied homes in section 5, a subcontractor's sixty-day notice to an owner-occupied residence in section 21, and the ninety-day notice and its service in section 24.

Source: Illinois General Assembly, Mechanics Lien Act section 5, read 23 October 2026.
Source: Illinois General Assembly, Mechanics Lien Act section 21, read 23 October 2026.
Source: Illinois General Assembly, Mechanics Lien Act section 24, read 23 October 2026.

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By InstaBids editorial team with AI research agents. Sources last read: 23 October 2026

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Key facts

Section 5(a) says: "Merchants and dealers in materials only shall not be required to make statements required in this Section."
Source: Illinois Mechanics Lien Act section 5(a), read 23 October 2026.
Section 21(c) says: "the owner should receive a waiver of lien executed by each subcontractor who has furnished labor, services, material, fixtures, apparatus or machinery, or forms or form work."
Source: Illinois Mechanics Lien Act section 21(c), read 23 October 2026.
Section 24(a) says: "Notice shall be considered served at the time the written notice is placed with the delivery service or in the mail."
Source: Illinois Mechanics Lien Act section 24(a), read 23 October 2026.

Which notice appears before the first Illinois home payment?

The owner-occupied residence notice in section 5(b)(i) reads: "THE LAW REQUIRES THAT THE CONTRACTOR SHALL SUBMIT A SWORN STATEMENT OF PERSONS FURNISHING LABOR, SERVICES, MATERIAL, FIXTURES, APPARATUS OR MACHINERY, OR FORMS OR FORM WORK BEFORE ANY PAYMENTS ARE REQUIRED TO BE MADE TO THE CONTRACTOR."

Source: Illinois Mechanics Lien Act section 5(b)(i), read 23 October 2026.

What does Illinois quote about the sixty-day residence notice?

The Illinois Mechanics Lien Act, section 21(c), says: "It shall be the duty of each subcontractor who has furnished, or is furnishing, labor, services, material, fixtures, apparatus or machinery, or forms or form work for an existing owner-occupied single family residence, in order to preserve the subcontractor's lien, to notify the occupant either personally or by certified mail, return receipt requested, addressed to the occupant or the occupant's agent of the residence within 60 days from the subcontractor's first furnishing labor, services, material, fixtures, apparatus or machinery, or forms or form work, that the subcontractor is supplying labor, services, material, fixtures, apparatus or machinery, or forms or form work provided, however, that any notice given after 60 days by the subcontractor shall preserve the subcontractor's lien, but only to the extent that the owner has not been prejudiced by payments made prior to receipt of the notice. The notification shall include a warning to the owner that before any payment is made to the contractor, the owner should receive a waiver of lien executed by each subcontractor who has furnished labor, services, material, fixtures, apparatus or machinery, or forms or form work."

Source: Illinois Mechanics Lien Act section 21(c), read 23 October 2026.

What does the ninety-day Illinois notice passage include?

The Illinois Mechanics Lien Act, section 24(a), says: "Subcontractors, or parties furnishing labor, materials, fixtures, apparatus, machinery, or services, may at any time after making his or her contract with the contractor, and shall within 90 days after the completion thereof, or, if extra or additional work or material is delivered thereafter, within 90 days after the date of completion of such extra or additional work or final delivery of such extra or additional material, cause a written notice of his or her claim and the amount due or to become due thereunder, to be provided to the owner of record or the owner of record's agent or architect, or the superintendent having charge of the building or improvement and to the lending agency, if known, with the written notice to be sent by: (i) registered or certified mail, with return receipt requested; (ii) a nationally recognized delivery company with tracking service; or (iii) personal service. Notice shall be considered served at the time the written notice is placed with the delivery service or in the mail. The notice shall not be necessary when the sworn statement of the contractor or subcontractor provided for herein shall serve to give the owner notice of the amount due and to whom due, but where such statement is incorrect as to the amount, the subcontractor or material man named shall be protected to the extent of the amount named therein as due or to become due to him or her."

Source: Illinois Mechanics Lien Act section 24(a), read 23 October 2026.

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One point about InstaBids follows. Contact details stay hidden until the homeowner picks a contractor and they confirm the connection.

Source: InstaBids process and privacy, live-page excerpts, read 23 October 2026.

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