Travis & DeBlase PLLC | May 2026 | Construction & Trades
When a contractor, subcontractor, or material supplier does not get paid for work performed on a construction project, the mechanic’s lien is often the most powerful tool available to force the issue. A mechanic’s lien creates a security interest in the real property that was improved by the unpaid party’s labor or materials. If the lien is not satisfied, the lienor can foreclose on the property—the same way a mortgage lender can foreclose on a home. That leverage is what makes the mechanic’s lien such an effective remedy.
But New York’s Lien Law is technical, and the deadlines are unforgiving. A contractor who misses a filing deadline or fails to include the required information in the lien notice can lose its lien rights entirely, with no second chance. This article explains how mechanic’s liens work in New York and what contractors need to know to protect their right to payment.
Who Can File a Mechanic’s Lien in New York?
New York Lien Law Section 3 grants lien rights to a broad range of construction industry participants. General contractors, subcontractors, sub-subcontractors, material suppliers, laborers, architects, engineers, and surveyors can all file mechanic’s liens for the value of work performed or materials furnished in connection with the improvement of real property. The key requirement is that the claimant’s work or materials must have been used in the improvement of a specific property.
Design professionals—architects and engineers—can file liens in New York, but only if their work is directly connected to an actual improvement on the property. Preliminary design work that never results in construction may not support a valid lien.
Filing Deadlines: The Eight-Month Rule
The filing deadline for a mechanic’s lien in New York depends on the type of project. For private improvements in New York City (the five boroughs), a lien must be filed within eight months of the date the lienor last performed work or furnished materials. For private improvements outside New York City, the deadline is also eight months. These deadlines run from the last date of actual work, not from the date of the last invoice or the date payment was due.
The “last date of work” determination is critical and frequently litigated. Returning to a site solely to perform trivial or manufactured work in order to extend the lien deadline—known as “tacking”—is not permitted. The work must be performed in good faith as part of the contract. Punchlist work, warranty repairs, and corrections performed in the ordinary course of the project are generally considered valid last dates of work.
Missing the filing deadline is fatal to the lien. New York courts have no authority to extend the deadline, and equitable considerations do not apply. A contractor that misses the deadline by even one day has lost its lien rights.
What the Lien Notice Must Contain
A mechanic’s lien in New York is filed by serving and filing a verified notice of lien. The notice must contain specific information required by Lien Law Section 9, including the lienor’s name and address, the name of the owner of the property, the name of the party who hired the lienor (if different from the owner), a description of the labor performed or materials furnished, the agreed price or value of the work, the amount unpaid, the date the lienor last performed work, and a description of the property sufficient to identify it (typically the street address and tax block and lot number).
The notice must be verified—that is, the lienor must sign a statement under oath that the facts stated in the notice are true. The notice must then be filed with the county clerk of the county where the property is located. Filing fees vary by county.
Errors in the lien notice can be grounds for discharge of the lien. New York courts have vacated liens that contained material misstatements, such as an inflated lien amount that includes disputed or clearly unowed sums. However, minor or technical errors that do not prejudice the property owner are generally not sufficient to invalidate a lien. The safest course is to prepare the lien notice carefully and accurately from the start.
The Lien’s Duration and Extension
Once filed, a mechanic’s lien in New York is valid for one year from the date of filing. If the lienor does not commence a foreclosure action within that one-year period, the lien expires automatically. The lien can be extended for an additional year by filing an order extending the lien before it expires, but this requires a court application and a showing that the extension is warranted.
A lienor who allows the lien to expire without commencing foreclosure has not necessarily lost all remedies. The underlying breach of contract claim survives the expiration of the lien, and the lienor can still pursue a money judgment against the party that owes the debt. But the leverage of having a lien on the property—which can cloud title and interfere with the owner’s ability to sell or refinance—is gone.
Lien Foreclosure
Lien foreclosure is the process of enforcing the mechanic’s lien through a lawsuit. The lienor files an action in the Supreme Court of the county where the property is located, seeking a judgment directing the sale of the property to satisfy the lien. In practice, foreclosure actions almost always result in settlement rather than an actual sale. The threat of a forced sale—and the cloud on title created by the pending action—gives the lienor significant negotiating leverage.
A foreclosure action must name all parties with an interest in the property, including the owner, any mortgagees, and any other lienors. The lienor bears the burden of proving that the lien is valid, that the work was performed, and that the amount claimed is owed.
Bonding the Lien
A property owner who wants to remove a mechanic’s lien from the property without paying the disputed amount can post a bond to discharge the lien under Lien Law Section 19. The bond substitutes for the property as security for the lien claim. Once a bond is posted and the lien is discharged, the lienor’s claim shifts from the property to the bond, and the owner can proceed with sales, refinancing, or other transactions free of the lien’s encumbrance.
For contractors, the bonding of a lien is not a defeat. The lienor’s claim is preserved against the bond, and the foreclosure action (or a breach of contract action) can proceed. The practical effect is that the leverage shifts somewhat—the owner is no longer facing a cloud on title—but the lienor’s right to recover the amount owed is unaffected.
Public Projects: A Different Framework
Mechanic’s liens do not apply to public projects in New York. Government-owned property is exempt from mechanic’s liens under the doctrine of sovereign immunity. Instead, contractors and subcontractors on public projects must file claims against the payment bond that the general contractor is required to post under New York State Finance Law Section 137. The bond claim process has its own deadlines and requirements, and contractors should be familiar with these before starting work on a public project.
Protecting Your Lien Rights
The most important thing a contractor can do to protect its lien rights is to keep meticulous records from the first day of work: signed contracts, change orders, daily logs, payment applications, correspondence about payment, and records of the last date of work at each project. When a payment dispute arises, these records are the foundation of a successful lien claim. Contractors who wait until they are deep in a payment dispute to start organizing their records are at a significant disadvantage.
Equally important is acting promptly. The eight-month filing deadline may seem generous, but payment disputes often involve extended negotiations, and time passes quickly. Engaging counsel early in a payment dispute—well before the lien deadline approaches—gives the contractor the best chance of recovering what it is owed.
Schedule a Consultation
If you are a contractor or subcontractor with unpaid invoices on a New York construction project, the attorneys at Travis & DeBlase PLLC can help you evaluate your lien rights and take action to protect your payment. We represent construction industry clients throughout New York in mechanic’s lien filings, lien foreclosure actions, and payment disputes.
Call us at (212) 248-2120 or email info@travisdeblase.com
Visit travisdeblase.com to learn more about our construction litigation practice.
Travis & DeBlase PLLC
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