Iowa Mechanics Lien Guide

Everything you need to know about filing a mechanics lien in Iowa — deadlines, requirements, costs, and a free document generator.

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Understanding Iowa Mechanics Lien Law

Iowa mechanics lien rights are governed by Iowa Code §§ 572.8, 572.13, 572.13A. To file a mechanics lien in Iowa, you must record your claim with the Iowa Mechanic's Notice & Lien Registry (MNLR) in the county where the property is located. The estimated recording fee is $25-$50, though fees vary by county.

Some claimant types in Iowa are required to send a preliminary notice before filing a lien. Check the requirements for your specific role below.

Iowa Mechanics Lien Deadlines by Role

Role	Preliminary Notice	Lien Filing Deadline
General Contractor	10 days from first furnishing	90 days from last furnishing
Subcontractor	30 days from first furnishing	90 days from last furnishing

Use our deadline calculator to find your exact filing dates based on your project timeline.

Requirements by Role

General Contractor

Lien Deadline: 90 days from last furnishing
Preliminary Notice: Required — 10 days from first furnishing
Filing Office: Iowa Mechanic's Notice & Lien Registry (MNLR)
Estimated Recording Fee: $25-$50
Statute Reference: Iowa Code §§ 572.8, 572.13, 572.13A

Must file within 90 days of last furnishing. Iowa uses a centralized state registry (sos.iowa.gov/mnlr). GCs must post Notice of Commencement within 10 days on residential.

Subcontractor

Lien Deadline: 90 days from last furnishing
Preliminary Notice: Required — 30 days from first furnishing
Filing Office: Iowa Mechanic's Notice & Lien Registry (MNLR)
Estimated Recording Fee: $25-$50
Statute Reference: Iowa Code §§ 572.8, 572.13, 572.26

Must notify owner within 30 days of first furnishing (residential). File via state MNLR within 90 days of last furnishing.

What You Need to File

Gather the following information before preparing your Iowa mechanics lien document:

✓Your full legal name (or business name)
✓Property owner's name
✓Property address (legal description preferred)
✓Description of work performed or materials supplied
✓Total amount owed
✓Name of the party who hired you

How to File a Mechanics Lien in Iowa

1
Send Your Preliminary Notice
Check whether your role requires a preliminary notice in Iowa. If required, send it within the specified deadline to preserve your lien rights. Learn more in our preliminary notice guide.
2
Gather Your Documentation
Collect all required information including contract details, payment records, and property information. See the checklist above for the complete list.
3
Prepare Your Lien Document
Use our free Iowa lien generator to create a state-compliant mechanics lien document with all required fields.
4
Record with the Iowa Mechanic's Notice & Lien Registry (MNLR)
File your completed lien document with the Iowa Mechanic's Notice & Lien Registry (MNLR) in the county where the property is located. Expect to pay approximately $25-$50 in recording fees.
5
Serve Notice on the Property Owner
After recording, serve a copy of the filed lien on the property owner as required by Iowa law. Keep proof of service for your records.

Important Notes for Iowa

Must file within 90 days of last furnishing. Iowa uses a centralized state registry (sos.iowa.gov/mnlr). GCs must post Notice of Commencement within 10 days on residential.

Must notify owner within 30 days of first furnishing (residential). File via state MNLR within 90 days of last furnishing.

Frequently Asked Questions

How long do I have to file a mechanics lien in Iowa?

Deadlines vary by role. General Contractors have 90 days from last furnishing. Subcontractors have 90 days from last furnishing. These deadlines are strictly enforced — missing them means losing your lien rights.

Do I need to send a preliminary notice in Iowa?

General Contractors must send a preliminary notice within 10 days of first furnishing. Subcontractors must send a preliminary notice within 30 days of first furnishing. Even when not required, sending a preliminary notice is recommended as a best practice.

Where do I file a mechanics lien in Iowa?

In Iowa, mechanics liens are filed with the Iowa Mechanic's Notice & Lien Registry (MNLR) in the county where the property is located.

How much does it cost to file a mechanics lien in Iowa?

The estimated recording fee in Iowa is $25-$50. Fees vary by county and may change. Contact your local Iowa Mechanic's Notice & Lien Registry (MNLR) for current rates.

What information do I need to file a mechanics lien in Iowa?

You will need: Your full legal name (or business name), Property owner's name, Property address (legal description preferred), Description of work performed or materials supplied, Total amount owed, Name of the party who hired you. Subcontractors and suppliers may also need the name of the party who hired them.

Related Resources

What Is a Mechanics Lien?

A comprehensive overview of mechanics liens and how they protect your right to payment.

How to File a Mechanics Lien

Step-by-step guide to preparing and filing your mechanics lien document.

Preliminary Notice Requirements

Learn when and how to send a preliminary notice to protect your lien rights.

Deadline Calculator

Calculate your exact filing deadlines based on your project dates and role.

Ready to File Your Iowa Mechanics Lien?

Our guided form will walk you through the state-specific requirements and generate your document.