November 5th, 2026

Whether you're a homeowner planning a renovation or a contractor working on a construction project,
understanding mechanic's liens is essential. These powerful legal tools protect contractors and
suppliers, but they can also create serious complications for property owners. Here's what you need to
know about mechanic's liens in Minnesota.
What Is a Mechanic's Lien?
A mechanic's lien (also called a construction lien or materialman's lien) is a legal claim against a
property when someone who worked on or supplied materials for that property hasn't been paid. In
Minnesota, contractors, subcontractors, suppliers, and even architects and engineers can file
mechanic's liens to secure payment for their work or materials.
The lien attaches to the property itself, not just the person who owes the money. This means if you're a
property owner, a lien can cloud your title even if you've already paid the general contractor and the
dispute is between the contractor and a subcontractor.
How Mechanic's Liens Work in Minnesota
Minnesota's mechanic's lien law follows specific procedures and strict deadlines. To preserve lien
rights, contractors and suppliers must typically provide preliminary notices before beginning work. The
timing and requirements vary depending on whether they have a direct contract with the property
owner or are subcontractors.
After completing work, lien claimants generally have 120 days to file their lien with the county where the property is located. The lien statement must include specific information about the work performed,
materials supplied, amounts owed, and property description.
Once filed, the lien claimant must take additional steps within certain timeframes, including potentially
filing a lawsuit to enforce the lien. If these deadlines aren't met, the lien becomes unenforceable.
For Property Owners: Protecting Yourself
Property owners can take several steps to minimize their risk of mechanic's liens. Before starting any
project, verify that your contractor is properly licensed and insured. Request lien waivers fromcontractors and subcontractors as work progresses and payments are made.
Consider using a escrow or title company to manage payment disbursements on larger projects. These
professionals can help ensure subcontractors and suppliers are paid before releasing funds to the
general contractor.
In Minnesota, property owners can also require contractors to post a bond in lieu of allowing liens
against the property, though this typically only applies to larger commercial projects.
What to Do If a Lien Is Filed
If you discover a mechanic's lien has been filed against your property, don't panic, but do act quickly.
First, verify the lien's validity by reviewing the work performed and amounts claimed. Check whether
proper notices were given and deadlines were met, as procedural errors can make liens unenforceable.
Try to resolve the dispute directly with the lien claimant if possible. Often, payment disputes arise from
misunderstandings or communication breakdowns that can be resolved through negotiation.
If you believe you've already paid for the work through your general contractor, you may have claims
against that contractor. However, this doesn't automatically remove the lien from your property.
Minnesota law allows property owners to bond off a lien, which removes it from the property title while
the dispute is resolved. This can be crucial if you need to sell or refinance the property quickly.
For Contractors: Protecting Your Payment Rights
Contractors and suppliers should understand their lien rights before starting work. Provide all required
preliminary notices within the statutory deadlines, maintain detailed records of work performed and
materials supplied, and document all communications about payment.
File your lien statement within the 120-day deadline after your last work or material delivery. Missing
this deadline generally means losing your lien rights entirely.
Remember that filing a lien is often a last resort. Many contractors find that simply sending a pre-lien
notice that demonstrates their understanding of lien rights is enough to prompt payment and preserve
business relationships.
The Bottom Line
Mechanic's liens are powerful tools that balance the interests of property owners, general contractors,
and those who contribute labor or materials to construction projects. Understanding how they work
helps everyone involved in construction projects protect their interests and avoid costly disputes.
Whether you're planning a home renovation or managing a commercial construction project, consulting
with an attorney experienced in construction law can help you navigate lien issues and protect your
investment.
This blog post is for informational purposes only and does not constitute legal advice. For advice
specific to your situation, please consult with an attorney.









