A mechanic’s lien is the most powerful collection tool I know of for anybody who works on Minnesota real estate. It attaches to the property itself. It survives the general contractor going broke. It can force payment from an owner who has no contract with you at all.
It’s also the easiest right to lose in Minnesota commercial law, because it runs on three separate clocks, and blowing any one of them ends it.
45 days. 120 days. One year. Here’s what each one is.
Clock one: the pre-lien notice
Minn. Stat. § 514.011 requires notice before the lien exists, and what it requires depends on who you are.
If you contract directly with the owner
First, check whether the requirement reaches you at all. Subdivision 1 applies to a person who contracts with the owner for an improvement “and who has contracted or will contract with any subcontractors or material suppliers” to provide labor, skill, or materials for it. A contractor who self-performs the entire job with no subs and no suppliers is outside the subdivision.
If it does reach you, the statute tells you exactly where the notice goes, and you don’t get to pick.
- If there’s a written contract, the notice has to be in it. You “shall include in any written contract with the owner the notice required in this subdivision and shall provide the owner with a copy of the written contract.”
- The ten-day route exists only “[i]f no written contract for the improvement is entered into.” In that case the notice “must be prepared separately and delivered personally or by certified mail to the owner or the owner’s authorized agent within ten days after the work of improvement is agreed upon.”
Read the condition before you lean on the ten days. A contractor who signs a written contract that leaves out the notice has already failed the statute, and handing over a separate notice on day eight doesn’t fix it. Subdivision 1 required the notice in the contract. And the ten days, where they apply, run from when the work of improvement is agreed upon, not from a contract date. There’s no written contract in the only scenario where that route is available.
The notice itself “must be in at least 10-point bold type, if printed, or in capital letters, if typewritten and must state as follows”:
“(a) Any person or company supplying labor or materials for this improvement to your property may file a lien against your property if that person or company is not paid for the contributions.
(b) Under Minnesota law, you have the right to pay persons who supplied labor or materials for this improvement directly and deduct this amount from our contract price, or withhold the amounts due them from us until 120 days after completion of the improvement unless we give you a lien waiver signed by persons who supplied any labor or material for the improvement and who gave you timely notice.“
Reproduce the “(a)” and “(b)” designators. They’re part of the statutory form.
Skip this notice and your lien rights are gone. Not weakened. Gone: “A person who fails to provide the notice shall not have the lien and remedy provided by this chapter.”
If you’re a subcontractor or supplier
You have to deliver notice to the owner “not later than 45 days after the lien claimant has first furnished labor, skill or materials for the improvement,” by personal delivery or certified mail. The notice has to identify you, the contractor you’re working for, what you’re providing, your estimated charges, and the owner’s payment rights.
The typography rule applies here too. Subdivision 2(a) requires the subcontractor’s notice to be “in at least 10-point bold type, if printed, or in capital letters, if typewritten”. That’s the same formal requirement the direct-contractor notice carries. It’s a validity requirement for both, not a style preference for one.
Look at when that clock starts: your first day on the job, not the day you stop getting paid. This is the single most common way I watch Minnesota subcontractors lose lien rights. By the time payment is really late, the 45 days ran out months ago.
There’s one real piece of relief: a lien isn’t lost for imperfect compliance if “a good faith effort is made to comply, unless the owner or another lien claimant proves damage as a direct result of the failure to comply.” That protects a notice with a defect. It doesn’t protect a notice that was never sent.
Exceptions
There are four, and they’re narrower than the folklore contractors repeat to each other. Start with what’s not on the list: there’s no exception for owner-occupied homes. The words “owner-occupied” and “homestead” appear nowhere in § 514.011. The owner-occupied residential project is the one the pre-lien notice exists to serve, and it’s the last place on earth to skip it.
The notice is not required:
- Where the contractor is, or is affiliated with, the owner. The final paragraph of subd. 1 excuses the notice as to “any person who is an owner of the improved real estate,” any corporate contractor of which the owner is “an officer or controlling shareholder,” any contractor who is an officer or controlling shareholder of a corporate owner, and any corporate contractor “managed or controlled by substantially the same persons who manage or control a corporation which is the owner of the improved real estate.”
- Same ownership (subd. 4a) — “where the contractor is managed or controlled by substantially the same persons who manage or control the owner of the improved real estate.”
- Multiple dwelling (subd. 4b) — an improvement to real property “consisting of or providing more than four family units when the improvement is wholly residential in character.” Read both halves of that. More than four is not four or more — a four-plex is not exempt — and an improvement that is not wholly residential in character is outside the exception no matter how many units the building has.
- Nonagricultural and nonresidential real estate (subd. 4c) — property “which is not in agricultural use and which is wholly or partially nonresidential in use,” if the work meets any one of three tests: it is “to provide or add more than 5,000 total usable square feet of floor space”; the existing property already “contains more than 5,000 total usable square feet of floor space”; or the property “contains more than 5,000 square feet and does not involve the construction of a new building or an addition to or the improvement of an existing building.” (“Agricultural use” carries the meaning given in § 473H.02, subd. 3.)
Check which category your project falls in before you rely on an exception. This is exactly the call that gets made wrong, and the price of guessing is the whole lien.
Clock two: 120 days to record and serve
Minn. Stat. § 514.08 doesn’t forgive on its face: “The lien ceases at the end of 120 days after doing the last of the work, or furnishing the last item of skill, material, or machinery,” unless within that period the lien statement is both recorded and served.
Two acts, one deadline:
- Record the lien statement with the county recorder, or, if it’s registered (Torrens) land, with the registrar of titles of the county where the improved premises are situated. The Secretary of State is the filing office only “if the claim is made under section 514.04,” which covers liens on lines of railway, telegraph, telephone, electric light, pipe, conduit, and subway projects. For an ordinary building project, it’s the county.
- Serve a copy personally or by certified mail on the owner, the owner’s authorized agent, or “the person who entered into the contract with the contractor.” That third option is in the statute, and people regularly miss it.
Do one and not the other, and the lien isn’t preserved.
The statement has to be sworn. Before the list of contents, § 514.08, subd. 2 requires that the statement “be verified by the oath of some person shown by such verification to have knowledge of the facts stated.” An unverified lien statement is defective on its face.
It must then set forth a notice of intention to claim and hold a lien and the amount; that the amount is due and owing for labor, skill, material, or machinery and for what improvement; the names of the claimant and of the person for or to whom the work was performed or furnished; the dates when the first and last items of the claimant’s contribution were made; a description of the premises identifying them with reasonable certainty; the name of the owner according to the best information then had; the claimant’s post office address; an acknowledgment that a copy must be served within the 120-day period; and that the § 514.011, subd. 2 notice, if any, was given.
One forgiving detail in an unforgiving statute: on the post office address, the statute adds “(The failure to insert such post office address shall not invalidate the lien statement).” That’s the rare defect chapter 514 lets slide.
The “last item” question. The 120 days run from “doing the last of the work, or furnishing the last item of skill, material, or machinery.” The statute doesn’t tell you which trip to the site counts as the last item, and that question is fact-intensive and heavily litigated in Minnesota. Work performed as part of the contract can be treated as a continuation of it; work that’s nominal, or furnished to manufacture a later filing date, may be disregarded. Don’t assume the answer breaks your way, in either direction. A claimant who counts from a date that doesn’t hold up records a lien that’s already expired. An owner or lender who assumes the earliest possible date underestimates the exposure. When the last date is truly ambiguous, that ambiguity is the case, and it’s worth working through before the statement is recorded, not after.
Clock three: one year to sue
Recording the lien isn’t enforcing it. Minn. Stat. § 514.12, subd. 3 opens with a bar that runs against everyone: “No lien shall be enforced in any case unless the holder thereof shall assert the same, either by filing a complaint or answer with the court administrator, within one year after the date of the last item of the claim as set forth in the recorded lien statement.”
That first clause is the one that kills the lien, and it’s written without qualification. A second follows: “no person shall be bound by any judgment in such action unless made a party thereto within the year.” Miss the year, or miss a necessary party inside the year, and the enforcement action is over.
Watch the measuring point. The one year runs from the last item date stated in your own recorded lien statement, not from the recording date. So two of your three clocks run from the same event, and the recording date doesn’t matter to either one.
And you have to file a lis pendens. Subdivision 1 requires that “[a]t the beginning of the action the plaintiff shall file for record” with the county recorder (or, for registered land, the registrar of titles) “and of the several counties if the lien be claimed under section 514.04, a notice of the pendency thereof, embracing therein a copy of the summons, omitting the caption.” That content requirement isn’t decoration. A notice that doesn’t embrace the summons isn’t the document the statute asks for.
What a missing lis pendens does, and to whom. Subdivision 3 goes on to provide that “as to a bona fide purchaser, mortgagee, or encumbrancer without notice,” the absence from the record of a lis pendens after the year expires “shall be conclusive evidence that the lien may no longer be enforced.” Read the qualifier before you lean on that phrase. The conclusive-evidence rule is written to protect a purchaser or lender who took without notice. It’s not a general rule good against the world. For registered land the statute adds a parallel consequence: the registrar “shall refrain from carrying forward to new certificates of title the memorials of lien statements when no such notice of lis pendens has been registered within the period.”
Keep the two consequences apart, because they work differently. Miss the one-year filing and the lien is unenforceable. Miss the lis pendens and you’ve also handed the next purchaser or lender a record that conclusively settles the question in their favor.
All three clocks on one page
| Clock | Deadline | Runs from | Consequence of missing |
|---|---|---|---|
| Pre-lien notice (direct contractor) | In the written contract. Only if there is no written contract: 10 days, personally or by certified mail | When the work of improvement is agreed upon | No lien rights |
| Pre-lien notice (sub/supplier) | 45 days | First furnishing labor or materials | No lien rights |
| Record and serve lien statement | 120 days | Last item of work | Lien ceases |
| File suit and lis pendens | 1 year | Last item date as stated in the lien statement | Lien unenforceable. Separately, a missing lis pendens is conclusive evidence of unenforceability as to a bona fide purchaser, mortgagee, or encumbrancer without notice |
What I tell each side
For subcontractors and suppliers:
- Send the pre-lien notice on the job you just started, not the job that just went bad. Make it part of mobilization, every time, and file the certified mail receipts.
- Write down the last date you actually worked, when it happens. Rebuilding it from memory two months later is how the 120-day and one-year clocks both get miscounted.
- Don’t assume a warranty callback moved the deadline, in either direction. Whether a later visit is the “last item” is a contested question of fact. Calendar from the conservative date and get the ambiguous ones looked at before the 120 days run.
- Calendar all three dates the day you start the job. Not when payment gets slow.
For owners and developers:
- Demand lien waivers with every payment, from every tier, not just the general contractor.
- Track the pre-lien notices you get. They tell you who can lien you, and they’re the map of your actual exposure.
- Know that you can pay lower tiers directly and deduct from the contract price. That’s not just a line in the notice form. Minn. Stat. § 514.07 grants it: the owner “may withhold from the owner’s contractor as much of the contract price as may be necessary to meet the demands of all persons, other than the contractor, having a lien upon the premises,” and “may pay and discharge all these liens and deduct the cost of them from the contract price.” The same section is where the 120-day withholding right comes from, and it lets an owner, “within 15 days after the completion of the contract,” demand from any lien claimant “an itemized and verified account of the person’s lien claim.” No enforcement action may be commenced until ten days after that account is furnished.
- A recorded lien isn’t a valid lien. Compliance can be checked, and defective liens get discharged.
For lenders and buyers: the 120-day window means a title search can come back clean on a property that’s about to be hit with liens for work already done. Diligence on recent construction has to account for the lag.
Why it’s this strict
Mechanic’s lien law gives a stranger to the owner’s contract the power to encumber the owner’s real estate. That’s an extraordinary power, and Minnesota’s answer to it is procedural rigor: follow the statute exactly and you get the remedy. Don’t, and you don’t.
Courts enforce that trade straight, which is good news for whichever side did the paperwork right. Between a contractor who did the work and an owner who didn’t pay, I’ve seen the outcome turn not on the merits but on a certified-mail receipt from 45 days into the job.
Madgett Law, LLC handles Minnesota construction payment disputes: perfecting and enforcing mechanic’s liens, challenging defective ones, lien waivers, bond claims, and the owner-side exposure that comes with them. The deadlines are short and unforgiving, so getting in touch early matters more here than almost anywhere in commercial practice. Send us a message or call 612-470-6529.
Sources: Minn. Stat. § 514.011, subds. 1, 2, 4a, 4b, 4c (pre-lien notice; statutory notice text and typography; 45-day subcontractor notice; good-faith compliance; the four exceptions), § 514.04 (lines of railway, telegraph, or similar projects — the only claims filed with the secretary of state), § 514.07 (payments withheld; owner’s right to pay and discharge liens and deduct from the contract price; 15-day itemized-account demand), § 514.08, subds. 1 and 2 (120-day recording and service; verification by oath; required contents of the lien statement), and § 514.12, subds. 1 and 3 (lis pendens content and filing; one-year deadline to assert the lien; conclusive-evidence provision as to a bona fide purchaser, mortgagee, or encumbrancer without notice) (Minnesota Office of the Revisor of Statutes). What counts as the “last item” of work under § 514.08 is a fact question decided case by case; this article does not state a rule on it. This article is general legal information about Minnesota law, not legal advice, and reading it does not create an attorney–client relationship. Whether a particular lien is valid or enforceable depends on the project, the dates, and the documents. No outcome is promised or implied.