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Iowa Mechanics Lien & Preliminary Notice Deadline Calculator

Calculate exact statutory cutoff dates for commercial subcontractors in Iowa (IA) under MNLR Posting / Mechanics Notice (Iowa Code Ch. 572) and export calendar reminder alerts.

Iowa (IA) Mechanics Lien Deadline Calculator

Statute Reference: MNLR Posting / Mechanics Notice (Iowa Code Ch. 572)

90-Day Filing Window
Iowa Preliminary Notice Deadline
Not Statutorily Mandated

Filings must be posted directly to Iowa’s Mechanics’ Notice and Lien Registry (MNLR).

Iowa Final Mechanics Lien Cutoff
Enter Last Work Date

Calculated 90 calendar days from your last day furnishing labor or materials.

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Does Iowa require a preliminary notice before filing a mechanics lien?

Iowa does not mandate a universal early preliminary notice at the start of work, though formal notice prior to filing may still apply. Filings must be posted directly to Iowa’s Mechanics’ Notice and Lien Registry (MNLR).

Read Step-by-Step Iowa Preliminary Notice Guide →

How many days do you have to file a mechanics lien in Iowa?

Under MNLR Posting / Mechanics Notice (Iowa Code Ch. 572), a Iowa mechanics lien must generally be filed within 90 days from the last day labor or materials were furnished to the project.

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Mechanics Lien Deadlines by State (All 50 States + D.C.)