Iowa Lien Law

Iowa Private Projects
Notice Req.
Intent to Lien
Lien Req.
Prime Contractor

Notice of lien rights must be provided on owner occupied residential projects and also to identify sub-contractors to be used for services.


Sub Contractor

Not Required. A notice of providing labor/materials to owner prior to commencement of work. A 2nd tier sub-contractor must notify the prime contractor within 30 days of first providing materials.



Supplies to a sub-contractor on non-residential projects, notification must be sent to the prime contractor within 30 days of first providing materials.



A Release and Satisfaction of Mechanic’s Lien, Notice of Commencement of Work, a Notice of Subcontractor/Supplier of Labor, Notice of Materials to a Subcontractor, Certified Statement of Notification, Notice of Commencement of Work


1. How long do I have to file a claim of lien in Iowa?

90 days on private projects, from the date materials and services were last performed.  30 days on public projects upon completion of services.


2. Do I have to file any notices before I start work on a property in Iowa?

Some pre-lien notices are required not to long after, or at the start of commencement of work.


3. Is there any mandatory notice requirement in Iowa?

A sub-subcontractor must provide a Notice of Subcontractor/Supplier of Labor, or Notice of Materials to a Subcontractor, and a Certified Statement of Notification for commercial projects.

A general contractor has two notice requirements on private and residential projects. First, a Notice to Owner, and General Contractor’s Written Contract with Residential Owner. Listing all parties that are entitled to lien rights.

Second, a Notice of Commencement of Work, within 10 days of commencement of the work.

For private, residential projects, all subcontractors must complete and post a Preliminary Notice.

For all private projects, commercial and residential, a general contractor or a subcontractor may perfect a mechanic’s lien by posting a lien to the Mechanic’s Lien and Notice Registry website, and giving notice to the owner. Such notice may be served within 90 days.

For public improvement projects, a supplier of materials to a subcontractor, is required to provide the general contractor with Notification by Material Supplier, during work.


4. When is my last day of work so that I can file a lien to get paid?

The last date services are provided. 


5. Who do not have any lien rights in the state of Iowa?

On a public contract, a party providing materials to a subcontractor furnishing only materials is not entitled to rights. Suppliers of labor or materials to a sub-subcontractor or lower are not entitled to any lien rights. 


6. How long do I have to file for a lien of foreclosure?

On a private project, you have within 2 years from the allotted time of 90 days for filing the claim. On public projects, 30 and 60 days after completion of final improvement. 


7. Who satisfies the lien when I get paid?

An owner, principal contractor, or subcontractor.  A Release and Satisfaction of Mechanic’s Lien should be posted on the MNLR website.

SECURE YOUR LIEN RIGHTS by filing a Release and Satisfaction of Mechanic’s Lien NOW!



Iowa State Projects
Notice Requirements
Lien Requirements
Prime Contractor

Get Paid Now!Secure your lien rights and get paid on your terms.At SunRay we are interested in the success of your business, as your success is our success!