What Is a Mechanics Lien in New York — Complete 2026 Guide
New York mechanics lien law under N.Y. Lien Law § 10 gives contractors 8 months to file on commercial projects and 4 months on single-family residential. Subcontractors must serve a copy on the owner within 5 days of filing. Enforcement must begin within 1 year of filing.
New York 8-Month Filing Deadline
New York Lien Law § 10 gives most mechanics lien claimants 8 months from the last date of furnishing labor or materials to file a mechanics lien. For single-family or two-family residential projects, the deadline is shortened to 4 months from last furnishing. New York's 8-month deadline for commercial projects is one of the longest filing windows in the country.
No Preliminary Notice Required in New York
New York does not require any preliminary notice before filing a mechanics lien. This makes New York one of the most contractor-friendly states in the country from a procedural standpoint — you can file a lien at any point within the 8-month window without any prior notice to the property owner.
Where to File in New York
New York mechanics liens are filed with the County Clerk in the county where the project property is located. After filing, the claimant must serve a copy of the filed lien on the property owner within 5 days of filing by personal service or certified mail. In New York City, major filing locations include the New York County Clerk (Manhattan), Kings County Clerk (Brooklyn), Queens County Clerk, Bronx County Clerk, and Richmond County Clerk (Staten Island).
New York Lien Enforcement — 1 Year
After filing a mechanics lien in New York, the claimant must enforce the lien by commencing a foreclosure action within 1 year of the lien filing date. New York allows lienors to extend the lien by filing an extension with the County Clerk before the 1-year window expires. Extensions can be filed in successive 1-year increments.
Frequently Asked Questions
What is the mechanics lien deadline in New York?
New York gives most claimants 8 months from last furnishing to file a mechanics lien. For single-family and two-family residential projects, the deadline is 4 months from last furnishing.
Do I need to send a preliminary notice in New York?
No. New York does not require any preliminary notice before filing a mechanics lien. You can file at any time within the 8-month window.
Where do I file a mechanics lien in New York?
File with the County Clerk in the county where the project is located. After filing, serve a copy on the property owner within 5 days.
How long does a New York mechanics lien last?
A New York mechanics lien must be enforced within 1 year of filing or it expires. Extensions can be filed with the County Clerk before the 1-year deadline.