Mechanics liens and preliminary notices

What a mechanics lien does

A mechanics lien, sometimes called a construction lien, is a legal claim against real property by someone who improved it and was not paid. Once recorded, it clouds the title: the owner cannot easily sell or refinance until it is resolved, and the lienholder can ask a court to enforce it. That leverage is why lien rights matter, even for companies that never expect to file one.

The trade-off is that lien rights are created by statute and enforced literally. Courts tend to read notice and deadline requirements strictly against the person claiming the lien. A contractor who sends the right notice one day late, to the wrong owner name, or without required wording often has no lien at all, only an ordinary claim for breach of contract.

The moving parts in most states

1. Disclosure or notice at contract: some states require direct contractors to warn homeowners in the contract that unpaid subs and suppliers can lien the property.
2. Preliminary notice: subs and suppliers, and in some states direct contractors, tell the owner early that they are working on the property and could claim a lien.
3. Claim of lien: if unpaid, the claimant records a lien with the county within a deadline counted from completion or last work.
4. Service: the recorded claim is sent to the owner within a set period.
5. Enforcement: the claimant files suit to enforce the lien within another deadline, or the lien expires.
6. Release: once paid, the claimant records a release or provides a lien waiver.

Homeowners have protections built into the same statutes: required disclosures, lien waiver exchanges, deadlines that expire stale liens, penalties for exaggerated claims and, in some states, limits on liens against owner-occupied homes. Knowing these protections helps you explain the process calmly to a customer who sees the word lien in your contract.

Florida as a worked example

Florida's Chapter 713 is a useful example because its steps are explicit. Direct contracts with an owner for improvements to dwellings of up to four units that exceed $2,500 must include a lien disclosure in no less than 12-point, capitalized, boldfaced type, signed and dated by the owner. Failure to give it does not bar enforcement against someone who was not adversely affected^[4].

Notice how the clocks start from different events. The notice to owner runs from when a sub or supplier began work; the claim of lien runs from the last day they furnished labor or materials. Small warranty or punch-list visits may not extend the final furnishing date, so do not assume a return trip resets the clock.

How other states differ

• Who sends preliminary notices: some states require them only from subs and suppliers, others from everyone, including the contractor hired by the owner.
• When the clock starts: some count from first work, some from monthly billing periods and some from completion of the whole project.
• Recording deadlines: these range from weeks to several months after completion, and can differ for residential and commercial work.
• Homestead and owner-occupied rules: some states make liens on a homeowner's residence harder, for example by requiring a signed contract or specific notices.
• Waiver forms: some states require statutory lien waiver wording, and a homemade waiver may not be valid.
• Enforcement: each state sets a deadline to sue on the lien, after which it expires.

Build a one-page lien summary for each state you work in, reviewed by a local attorney once a year. Note the notice deadline, recording deadline, service rule, enforcement deadline and required forms.

Why it matters even for small service jobs

Most service calls are paid at the door, so liens matter mainly for larger work: system replacements, re-roofs, panel upgrades, remodels and any job with a supplier or sub. That is also where payment trouble lands hardest. The Federal Reserve found that 63% of US adults would cover a $400 emergency expense entirely with cash or its equivalent in 2025^[3], and Angi reported that 56% of homeowners faced budget issues on maintenance projects and 55% on improvement projects that year^[5].

The practical lesson is to set up payment terms and lien steps before the big job starts, not after the invoice ages. Financing options, deposits within legal limits and progress billing reduce how often you need the lien at all.

A lien-ready billing process

1. 01

   Capture the legal owner at intake

   Record the owner's legal name and the property's legal description or parcel number from county records, not just the caller's name. Tenants and property managers are not owners.

2. 02

   Use the required contract wording

   Add your state's disclosure and payment terms to the contract template for jobs above the threshold. Have the owner sign and date it.

3. 03

   Calendar deadlines from day one

   Enter the first day of work and calculate notice, recording and enforcement deadlines immediately. Update the last-furnishing date when the job closes.

4. 04

   Send preliminary notices when required

   Use certified mail or another method your statute accepts, keep proof of delivery and record the date in the job file.

5. 05

   Exchange lien waivers with payments

   Give conditional waivers when invoicing and unconditional waivers once funds clear. Collect waivers from your own subs and suppliers before paying them.

6. 06

   Escalate on a schedule

   Reminder at 15 days past due, a call from the owner at 30, a written demand that mentions lien rights before the recording deadline, then an attorney.

Explaining lien wording to a nervous homeowner

Required lien disclosures sound alarming, and a homeowner who reads them at signing may stop the sale. A calm explanation keeps the job: 'This paragraph is required by state law on jobs this size. It explains that anyone who supplies labor or materials to your home has a right to be paid. We pay our suppliers and crew on time, and when you pay us we will give you a written lien waiver, so you have proof nobody can claim against the house.' Then point to the waiver step in your process and offer a sample.

Homeowners on larger projects sometimes ask for waivers from your suppliers as well. Agree to it. Collecting supplier waivers before final payment is good practice anyway, and it shows the customer that the protection in the statute is real.

Before you record a lien

• Confirm every deadline with the statute or an attorney; do not rely on a calendar entry made months ago.
• Claim only what is actually owed for work performed. Many states penalize liens that are knowingly overstated, and an inflated lien can turn a strong position into a counterclaim.
• Check the owner name and legal description against county records one more time.
• Send a final written demand that names the amount, the work and the date by which you will record.
• Budget for enforcement. A lien that is never enforced expires, and a lawsuit costs time and money that may exceed a small balance.

Example: a disputed re-roof

Example (fictional): a roofing company in Florida signs an $18,000 re-roof with a homeowner and includes the lien disclosure in bold capitals. The shingle supplier, which has no contract with the homeowner, serves a notice to owner in the second week. The roof is finished on March 4. The homeowner pays the deposit but disputes the final invoice over a gutter detail. The office calendars the recording deadline 90 days from March 4, sends a written demand in April offering to fix the gutter, and books a call with the company attorney for early May. The homeowner pays after the gutter is adjusted, and the company sends an unconditional waiver the day the funds clear. No lien is ever recorded, but the calendar is why the company kept its leverage.