New Jersey • Mechanics Lien Deadlines
New Jersey Mechanics Lien Deadline Calculator
Learn the exact preliminary notice and lien filing deadlines in New Jersey. Then jump into the LienDeadline calculator to see your real project dates in 0.3 seconds.
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New Jersey Lien Deadline Overview
Preliminary Notice Deadline
Mandatory for residential within 60 days; optional but recommended for commercial
Mechanics Lien Filing Deadline
90 days after last furnishing (120 days for public projects)
Typical Projects
Building material suppliers, lumber yards, concrete and rebar suppliers working on private construction projects in New Jersey.
This page is a simplified summary for material suppliers and does not replace advice from a construction attorney.
How lien deadlines work in New Jersey
In New Jersey, material suppliers must follow specific deadlines to protect their lien rights. Preliminary notice requirements: mandatory for residential within 60 days; optional but recommended for commercial. The mechanics lien filing deadline is 90 days after last furnishing (120 days for public projects). Missing either deadline results in complete loss of lien rights for that project.
Preliminary notice rules
- RESIDENTIAL ONLY: Notice of Unpaid Balance is MANDATORY within 60 days
- Public projects get extended 120-day filing period
- Mandatory for residential within 60 days; optional but recommended for commercial
Mechanics lien filing rules
- Public projects get extended 120-day filing period
- 90 days after last furnishing (120 days for public projects)
- Notice of Lien must be filed within deadline
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Enter your New Jersey project dates once. LienDeadline shows you preliminary notice and lien filing deadlines in 0.3 seconds across all supported states.
Frequently asked questions
What is the mechanics lien deadline in New Jersey?
90 days after last furnishing (120 days for public projects)
Does New Jersey require a preliminary notice?
Mandatory for residential within 60 days; optional but recommended for commercial
What happens if I miss the deadline?
You lose your legal right to file a lien for that project, even if you're still owed money. That's why many suppliers use automated deadline tools instead of spreadsheets.