Mechanic's liens, in plain English

The final draw on a bathroom remodel is seventy days out. The homeowner liked the work, took the keys back, and now answers neither the phone nor the email. Somebody at the supply house tells you to just lien it.

That advice is sound and incomplete at the same time, because what decides whether you can lien it happened months ago, on the day you first showed up.

What the recording actually does

A mechanic's lien is not a bill and not a judgment. It is a claim recorded against the real property you improved, in the land records where that property sits — the county recorder in most states, the parish in Louisiana, the town or city clerk in parts of New England — and once recorded it sits in the chain of title alongside the mortgage.

Nothing dramatic happens that week. The pressure arrives later, and from a third party. When the owner sells, refinances, or draws on a construction loan, a title company will generally not insure over an open lien and the lender will not fund, so it usually has to be paid, bonded around, or released before the deal closes. That is the whole mechanism: you are not collecting from the owner, you are standing between the owner and their own property.

Recording it does not get you money on its own, either. Every state gives the lien a shelf life and requires a foreclosure suit to turn it into cash.

Three deadlines, not one

Most states use the same three-step shape: an early preliminary notice, a deadline to record the claim, and a deadline to file suit to enforce it. The dates, recipients, and triggers vary by state and by role. Some preliminary notices are due near the start of the job, before payment is overdue. If that applies, missing it can defeat the lien even when the invoice is right.

Do not use another state's timeline. California, Florida, and Texas all have materially different notice and filing paths. A local construction lawyer or the state statute can identify the three dates for each job: first furnishing, last furnishing or completion, and recording.

Who is on the list, and who assumes they are

General contractors are on the list everywhere and subcontractors almost always are. Material suppliers usually are, sometimes with tighter notice rules because they have no contract with the owner. Design professionals, equipment lessors and second-tier suppliers are a state-by-state answer.

Three situations quietly take you off the list no matter how good your paperwork is:

• Public property. You cannot foreclose on a school or a highway. Public work is secured a different way, with its own notice and suit deadlines that are not the lien deadlines: a payment bond under the Miller Act federally, and under a "little Miller Act" in every state — though most set a dollar threshold, so a small public job may carry no bond at all. Some states add a claim against the project funds instead of the land; New York's public improvement lien attaches to the money the agency still holds (Lien Law §5). Find out which applies before you bid, not after.
• No license, where the state requires one. Arizona writes it into the lien statute: a person required to be licensed who does not hold a valid license "shall not have the lien rights provided for in this section" (A.R.S. §33-981(C)). Other states reach the same place through different doors, and a few do not go there at all. Whether you needed the license decides whether you have the lien.
• You improved a tenant's space, not the owner's building. When the tenant hired you and the landlord owns the property, what you can reach depends on the state and often on the lease. Settle that during the estimate, not during collections.

The ways a lien gets thrown out

A lien is a statutory creature, and courts read the statute literally. The common defects:

• Filed late, by any margin.
• Overstated. Padding in interest, lost profit, delay damages or attorney's fees the statute does not make lienable is the classic way to hand the owner an argument.
• Wrong property description or wrong owner of record. The land records need to match, not approximately match.
• Not served. Most states require a copy of the recorded claim to reach the owner within a set period, and some require a specific method.

Filing one wrong is not a free swing. You can lose the lien and may face a claim for the cost of clearing it. Do not guess at the amount, property description, owner, or deadline.

When somebody liens a job you already paid for

The other side of this arrives as a call from your customer: a supplier you already paid your sub for has recorded against the owner's house, because the sub kept the money.

The defense is waivers, collected as you go rather than at the end. The industry runs on four shapes — conditional or unconditional, partial or final — and about a dozen states prescribe the exact wording by statute. California is the strictest example: Civil Code §§8132 to 8138 set out all four forms, and a release that departs from the form is "null, void, and unenforceable." Elsewhere the form is whatever the contract says, which is its own hazard.

The conditional-versus-unconditional distinction is the whole point. A conditional waiver takes effect when the payment actually arrives; an unconditional one takes effect on signature. Sign an unconditional final waiver against a check that then bounces and you have released your rights for nothing.

The reverse also has limits. In California, an owner or GC cannot strip a lower-tier claimant's lien rights by a clause in a contract that claimant never signed (Civ. Code §8122) — advance no-lien language is void there. Other states allow more of it. So do not assume either that the clause in front of you is enforceable, or that it is not.

So take a conditional partial waiver from every sub and supplier with each payment application, and use joint checks where a sub's supplier is the exposure. Expect your GC or the owner's lender to want the same from you, and read which box is checked before you sign.

Where this belongs in your own paperwork

Lien rights are won at contract signing and lost there too. Residential work may require specific contract notices or signatures. Settle three things for each state you work in: what preliminary notice applies, when it is due for your role, and what the contract must say.

Keep the notice requirement and that disclosure paragraph as saved lines in DoneQuote, so the day a customer accepts, the notice is already a dated task instead of something you go looking up on the seventieth day of not being paid.