Why the last day worked matters
Many lien deadlines run from your final furnishing date, not from when you sent the invoice or decided the account was a problem. If your records are vague, it becomes harder to defend the filing window.
Lien deadlines
Mechanics Lien Deadline Calculator
Estimate notice and lien dates for subcontractor claims before the calendar closes your leverage.
Mechanics Lien Deadline Calculator
This calculator reflects the subcontractor timing rules in the current tool dataset. State notice requirements can turn on specific conditions, so use the notes below before relying on a date.
Estimated deadlines
Florida subcontractor timing summary from the current rule set.
- Preliminary notice
- May 16, 2026
- Lien filing deadline
- Aug 13, 2026
Required within this timeframe. File within 90 days of your last work.
State-specific watchouts
Preliminary notice rule:Always required
Preliminary notice window:45 days
Lien filing window:90 days
- Must be sent before owner final payment
- Special fabrication can trigger earlier
Watchout
Missing a lien deadline can eliminate your right to get paid.
Notice
Missing one required notice can wipe out lien rights even when the work was performed and the money is still owed.
Education
Preliminary notices are separate from lien filing
A preliminary notice is an earlier preservation step. In several states, it can be required before you ever reach the lien filing deadline, and late notice may only protect part of the work.
Related resources
Critical Alert
Missing a lien deadline can eliminate your right to get paid.
Use the related guides and templates to put this result into a repeatable operating process.
See the practical next steps