New Jersey Construction Lien FAQ

In New Jersey, a mechanics lien must be filed within ninety (90) days of the claimant’s last furnishing of labor, materials, equipment, or professional services to the project. This deadline applies to both commercial and residential projects, although residential projects may require additional steps before a lien can be filed. The 90-day period is strictly enforced, and it begins to run from the last date qualifying work was performed, not from invoice dates, payment negotiations, or insurance discussions.

New Jersey does not use a traditional “preliminary notice” requirement like many other states. On commercial projects, subcontractors and suppliers may file a lien without sending any preliminary notice. However, on residential (1–4 family owner-occupied) projects, lower-tier parties who do not have a direct contract with the homeowner must first file a Notice of Unpaid Balance (NUB) and complete mandatory arbitration before they are legally allowed to file a mechanics lien. 

Mechanics lien rights in New Jersey are available to general contractors, subcontractors, material suppliers, laborers, equipment rental companies, and licensed design professionals, such as architects and engineers, who improve private real property and are not paid. These rights do not apply to public projects, which are protected through payment bond claims instead.

If you fail to file a New Jersey mechanics lien within the required 90-day period, you permanently lose your lien rights. 

A New Jersey mechanics lien must be recorded with the County Clerk in the county where the property is located. Filing the lien in the wrong county or office can render it ineffective, even if it was otherwise timely. 

Recording the lien places it in the public land records and formally asserts the claimant’s interest in the property.

In New Jersey, a mechanics lien must be filed within ninety (90) days of the claimant’s last furnishing of labor, materials, equipment, or professional services to the project. 

This deadline applies to both commercial and residential projects, although residential projects may require additional steps before a lien can be filed. 

A valid New Jersey mechanics lien must clearly identify the claimant, the property owner, and the party who hired the claimant, along with a legal description of the property. The lien must also describe the labor, materials, equipment, or services provided, state the first and last dates of furnishing, and list the exact unpaid amount claimed. The lien must be verified or sworn, and accuracy is critical, errors or overstatements can invalidate the lien.

There is no statutory minimum or maximum dollar amount for a New Jersey mechanics lien. A lien may be filed for any unpaid amount owed for qualifying work. However, the lien must reflect only the amount actually due after all credits and payments. 

Yes. New Jersey allows multiple contractors, subcontractors, and suppliers to file separate mechanics liens against the same property, provided each claimant independently meets the statutory requirements. Each lien stands on its own, and each claimant must comply with notice, filing, service, and enforcement rules to preserve their individual lien rights.

If the customer pays you the full amount owed after you have recorded a lien, you have a legal obligation to formally clear the lien from the property records.

You must prepare and file a New Jersey Discharge of Lien (or Release of Lien) with the same office where the original lien was recorded.