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Lien, Small Claims, or Write It Off: Three Routes for an Invoice Ninety Days Late

title:Lien, Small Claims, or Write It Off: Three Routes for an Invoice Ninety Days Lateauthor:Lionel Karstenspublished:2026-06-02section:Commercewords:1,036read:4 min
An aging paper invoice on a desk with a red past due stamp shape faded across the top edge
An aging paper invoice on a desk with a red past due stamp shape faded across the top edge

Three routes exist for an unpaid invoice, they run on different clocks and cost different amounts, and the choice is usually made too late to matter.

An invoice for a completed job sits ninety days out, two polite emails have gone unanswered, and the customer's phone goes to voicemail during business hours. At this point most small operators are choosing between annoyance and resignation, and are not aware that they have been running down a clock on the one remedy that would have been both cheapest and most effective. The three routes available are not equivalent, they do not stay available for the same length of time, and the order in which they should be considered is close to the reverse of the order most people consider them.

Week One: The Part That Recovers Most Invoices

The largest single cause of a late invoice is not refusal to pay. It is that the invoice never reached the person who authorizes payment, or reached them in a form their system rejected, or arrived without a reference number that their accounts process requires. A phone call in the first week that asks whether the invoice was received and who processes it resolves a striking proportion of what later becomes a dispute, and it does so before anybody has taken a position.

The escalation from there is short and should be written down before it is needed. A reminder at seven days past terms, a firmer one at fourteen naming the amount and the original due date, and a call at twenty-one asking directly when payment will be made and getting a date. Then a formal demand letter at thirty, sent by a method that produces proof of delivery, stating the amount, the work, the terms and a deadline. Most of what gets recovered is recovered in this stretch, and every step of it is free.

The Lien Clock, Which Is the Urgent One

Anybody who has furnished labor or materials to improve real property has a potential mechanics lien right, and it is by a wide margin the most powerful collection tool available to a contractor or supplier. A lien attaches to the property itself, which means it must be dealt with before the property can be sold or refinanced, and that fact alone resolves a large share of claims without any further action.

What makes it urgent is that lien rights are governed by short statutory deadlines that vary by state and are enforced strictly. Many states require a preliminary notice within a set number of days of first furnishing labor or materials, before there is any dispute at all, and failing to serve it forfeits the right entirely. The deadline to record the lien itself typically runs from completion of the work rather than from the invoice date, and it is frequently measured in weeks. An operator who waits ninety days to think about this has usually discovered the answer too late, which is why the preliminary notice belongs in the routine paperwork of every job rather than in the collections process.

Small Claims, and What It Is Good For

Small claims court is designed for exactly this: a modest sum, a simple factual dispute, no attorney, a filing fee measured in tens of dollars and a hearing in a few weeks or months. The limits vary by state and cover most unpaid invoices in a small trade or service business. The procedure rewards preparation over advocacy, since the judge is deciding a narrow question and the party with a contract, an invoice, a delivery record and a chronology has an easier time than the party with a grievance.

Its limitation is the one nobody mentions until afterward, which is that winning produces a judgment rather than money. Collecting a judgment against a defendant who does not pay voluntarily requires further steps, garnishment or a lien or a levy, each with its own procedure and cost. That does not make it useless, because a judgment is a durable claim that accrues interest and shows up in credit checks, but it does mean that the value of suing depends heavily on whether the defendant has anything worth collecting from.

Comparing the Three Routes

Ranked by cost, the demand sequence is free, a lien costs a small recording fee and possibly an hour of professional time, and small claims costs a filing fee and a day. Ranked by speed, the lien is the fastest to produce a result because it changes the debtor's position immediately rather than after a hearing. Ranked by availability, the demand sequence is always open, small claims stays open for a statutory period measured in years, and the lien window is measured in weeks and closes permanently.

That last comparison is the one that should drive the sequence. The route with the shortest window has to be protected first even if it is used last, which in practice means serving preliminary notices as routine paperwork and diarizing the recording deadline on every job. The routes that remain open can then be worked in order of cost, starting with the free one, without any risk that delay forecloses something.

When Writing It Off Is the Correct Decision

Sometimes it is, and deciding it deliberately is different from drifting into it. A debtor who has genuinely no assets, a sum smaller than the time it would take to pursue, a customer relationship worth more than the invoice, or a dispute where the work was arguably defective all point the same way. Writing off a bad debt has a tax consequence for a business that reports income when it is earned rather than when it is received, and the write-off should be recorded properly rather than simply forgotten.

The last thing to do with a written-off invoice is to learn from it. The terms that prevent the next one are short and unglamorous: a deposit that covers materials, progress payments tied to defined stages, stated payment terms with a late charge that appears on the invoice, a preliminary notice served as routine, and a credit check on anything large enough to hurt. None of that recovers this invoice, and all of it changes the odds on the next forty. The ninety days that have already passed were not wasted exactly, but they were spent learning something the paperwork could have known in advance.