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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 TypeTimingDetails
Preliminary noticeWithin 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 filing120 days after last furnishing labor or materialsReference: ARS § 33-992.01.
Enforcement6 months after filing lienFiling 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 Deadline

Select 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.