Arizona • Mechanics Lien Deadlines
Arizona Mechanics Lien Deadline Calculator
Learn the exact preliminary notice and lien filing deadlines in Arizona. Then jump into the LienDeadline calculator to see your real project dates in 0.3 seconds.
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Arizona Lien Deadline Overview
Preliminary Notice Deadline
Within 20 days of first furnishing (or before starting work)
Mechanics Lien Filing Deadline
120 days after last furnishing labor or materials
Typical Projects
Building material suppliers, lumber yards, concrete and rebar suppliers working on private construction projects in Arizona.
This page is a simplified summary for material suppliers and does not replace advice from a construction attorney.
How lien deadlines work in Arizona
In Arizona, material suppliers must follow specific deadlines to protect their lien rights. The preliminary notice deadline is within 20 days of first furnishing (or before starting work). The mechanics lien filing deadline is 120 days after last furnishing labor or materials. Missing either deadline results in complete loss of lien rights for that project.
Preliminary notice rules
- 20-day preliminary notice deadline is strictly enforced
- Late notice limits recovery to work within 20 days of notice
- Within 20 days of first furnishing (or before starting work)
Mechanics lien filing rules
- Lien must be filed within 120 days of last furnishing
- 120 days after last furnishing labor or materials
- Mechanic's Lien must be filed within deadline
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Frequently asked questions
What is the mechanics lien deadline in Arizona?
120 days after last furnishing labor or materials
Does Arizona require a preliminary notice?
Within 20 days of first furnishing (or before starting work)
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.