Mechanic’s Lien Filing Deadline
State mechanic’s lien filing deadlines.
These calculators are for informational purposes only and do not constitute legal, financial, or professional advice.
How the Mechanic’s Lien Filing Deadline works
The Mechanic's Lien Filing Deadline calculator finds the last day to record a lien against a property after you have furnished labor or materials and not been paid. Enter the date of your last day of work and choose the state, and it returns the filing deadline along with the date an early preliminary notice should go out — the two clocks that together protect a lien claim.
The deadline runs from your last day of furnishing labor or materials, not from your invoice date or the day payment was promised. That distinction is where most lost lien rights begin: by the time an unpaid invoice ages into a collections problem, a chunk of the filing window has often already passed. Anchoring to the last-furnishing date keeps the count honest.
Lien windows vary enormously by state, so the tool applies the headline rule for the state you pick — roughly 90 days in California and Florida, about 120 days in Texas and Illinois, and up to 240 days for commercial work in New York. These are simplified approximations of detailed statutes; treat the result as an outer boundary to act well in front of, not a date to race.
Worked example
A subcontractor whose last day on a California job was March 1 gets a filing deadline near the end of May (about 90 days out), plus a flag that the 20-day preliminary notice should have gone out around March 21. The same March 1 date on a New York commercial project pushes the filing window out toward late October — an eight-month swing driven entirely by which state statute applies.
Frequently asked questions
Does the deadline run from my invoice date or my last day of work?
From your last day of furnishing labor or materials in most states — not the invoice date and not the day payment was promised. Use the last-furnishing date as day zero, and document it, because an imprecise memory can shorten the window by weeks.
What is the preliminary notice the tool also shows?
Many states require an early heads-up to the owner (and often the general contractor and lender), frequently within about 20 days of when you first furnished labor or materials. Serve it late and you can lose lien rights for everything supplied more than 20 days before you sent it — so it is a second, earlier clock that runs independently of the filing deadline.
Is this legal advice?
No. Mechanic’s lien statutes are intricate and vary by state, project type, and whether you are a general contractor, subcontractor, or supplier, and the built-in day counts here are simplified. Confirm any real deadline against the current statute and a construction attorney in the relevant state before relying on it.