State deadline reference
Arizona Lien Deadlines for Material Suppliers
Use this Arizona guide to check preliminary notice, lien filing, and enforcement timing before a receivable becomes unprotected.
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Arizona deadline risk
20-day preliminary notice deadline is strictly enforced
Arizona Lien Deadlines
| Deadline Type | Timing | Details |
|---|---|---|
| Preliminary notice | Within 20 days of first furnishing (or before starting work) | Notice rules can depend on role, project type, and contract chain. Send notices early when in doubt. |
| Mechanics lien filing | 120 days after last furnishing labor or materials | Reference: ARS § 33-992.01. |
| Enforcement | 6 months after filing lien | Filing a lien is not the final step. Track enforcement deadlines separately. |
Common Supplier Mistakes in Arizona
Waiting until the invoice is old
Run the deadline check when materials are furnished, not when collections already become urgent.
Assuming notice is optional
Preliminary notice rules can change by role and project type. Treat the notice path as a required workflow check.
Treating estimates as legal approval
Use the calculator for operational tracking, then verify high-value or disputed claims with counsel.
Need the exact date?
Use the calculator with your invoice date to estimate the Arizona deadline.
Calculate Your DeadlineSelect Arizona in the calculator to get a date-specific result.
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)
Is this legal advice?
No. This guide is a deadline reference for construction finance workflows. Verify critical filing decisions with licensed counsel.
This guide is for informational purposes only and does not constitute legal advice.