To file a construction lien, you send a preliminary notice near the start of the project, prepare a Claim of Lien with the property’s legal description and correct owner information, record it with the county recorder where the property sits before your state’s post-completion deadline runs, serve a copy on the owner, and then file a foreclosure lawsuit within the enforcement window if the debt still is not paid. Every one of those steps carries a hard deadline, and missing any of them can void an otherwise legitimate claim.
Who Has the Right to File
General contractors, subcontractors, material suppliers, and laborers who physically contribute work or materials to a property improvement generally have lien rights. The common thread is that your labor or materials must have been incorporated into the real property. Delivering lumber that never gets used may not qualify in some jurisdictions.
How far down the contracting chain lien rights extend depends on the state. Some states allow sub-subcontractors and suppliers-to-suppliers to file; others cut off rights after the first tier below the general contractor. Design professionals sit in an awkward middle ground. Many states grant architects and engineers lien rights only if actual construction begins, so a designer whose plans never leave the drawing board may have no lien remedy. Check your state’s lien statute before investing time in the filing process. Getting this threshold question wrong wastes effort and can expose you to liability for filing a lien you had no right to file.
Public Projects Are Off Limits
You cannot file a mechanic’s lien against government-owned property. Federal, state, and local government buildings and public works are immune. If you worked on a public project and have not been paid, your remedy is a claim against the project’s payment bond, not a lien on the property.
On federal projects over $100,000, the Miller Act requires the general contractor to furnish a payment bond protecting everyone who supplies labor or materials.1Office of the Law Revision Counsel. United States Code Title 40 – 3131 Bonds of Contractors of Public Buildings or Works If your contract is directly with the general contractor, you can claim on the bond once 90 days have passed since your last day of work without full payment. If your contract is with a subcontractor, you must give the general contractor written notice within 90 days of your last day. Either way, suit on the bond must be filed no later than one year after your last day of labor or materials.2Office of the Law Revision Counsel. United States Code Title 40 – 3133 Rights of Persons Furnishing Labor or Material Every state has its own “Little Miller Act” imposing similar bond requirements on state and local public projects, with thresholds and deadlines that vary.
Send a Preliminary Notice Early
Most states require you to send a preliminary notice near the start of the project, well before any dispute arises. This is not the lien itself. It is the document that preserves your right to file one later. In states with strict preliminary notice laws, missing the deadline wipes out your lien rights entirely.
The notice goes to the property owner, the general contractor, and sometimes the construction lender. Many states set a 20-day window from the date you first provide labor or materials; some allow 30 or 45 days. If you miss the initial deadline, some states let you send a late notice, but your lien will cover only work performed within a limited window before and after that late notice. Everything done earlier falls outside the lien’s reach.
The preliminary notice (sometimes called a Notice to Owner or Notice of Furnishing) must include your company name and address, the name of whoever hired you, a description of the work or materials you are providing, and the property’s identifying information. Delivery rules are specific. Certified mail is the most common requirement, though some jurisdictions accept personal delivery or other trackable methods. Keep proof of delivery. If the owner later disputes whether they received notice, your certified mail receipt is your evidence.
A handful of states have no mandatory preliminary notice requirement, and others require it only from subcontractors and suppliers rather than from general contractors who already have a direct contract with the owner. Check your state’s statute before assuming you can skip this step.
Gather the Right Information Before You Draft
A lien with wrong information is worse than no lien. It gives you a false sense of security while your actual deadline keeps ticking. The single most critical piece of information is the legal property description. This is not the street address. It is the formal description recorded in the county’s property records, and it comes in two main forms:
- Older properties and rural land typically use metes and bounds descriptions, which trace boundaries using compass directions, distances, and physical landmarks.
- Properties in newer subdivisions usually use a lot-and-block description referencing a specific lot number, block number, and subdivision name on a recorded plat map.
You can pull the legal description from the property deed, county tax records, or the county assessor’s office.
Beyond the property description, your claim needs the full legal name and current address of the property owner. This is where many liens get challenged. If the property is held by an LLC, trust, or other entity, listing only an individual’s name may be grounds for invalidation. Check the county recorder’s records to confirm exactly how title is held. You also need the name and address of the party who hired you, the first and last dates you furnished labor or materials, and an accurate total based on your contract and invoices.
Complete, Notarize, and Record the Lien
All of the above information goes onto a “Claim of Lien” or “Mechanic’s Lien” form, which you get from the county recorder’s office in the county where the property sits. Use the jurisdiction-specific form rather than a generic template. Local recording offices regularly reject documents that do not conform to their formatting requirements. Your completed form must be signed, and in most jurisdictions your signature must be notarized. Some states require the entire lien affidavit to be sworn under oath.
Once notarized, file the form with the county recorder or clerk’s office in the county where the property is located. Recording makes the lien a matter of public record, which is what puts real pressure on the owner. Title searches will flag it, blocking sales and refinancing until the debt is resolved.
Filing deadlines vary significantly by state. The clock usually starts on the last day you provided labor or materials. Some states give you as few as 60 days from that date; others allow 120 days or more. A few states also shorten the deadline if the owner records a formal notice of completion. Recording fees typically run between $25 and $65, though some counties charge more for multi-page documents.
Serve the Owner After Recording
After the lien is recorded, you must serve a copy of the filed document on the property owner. This step is separate from the preliminary notice you sent earlier, and it ensures the owner knows a lien now sits on their title. Most states require certified mail with return receipt, though some accept personal service or other traceable delivery.
The deadline to serve varies. Some states require service within a reasonable time; others set hard cutoffs of 10, 15, or 30 days after recording. Failing to serve on time can void your lien even if every other step was done correctly. Keep the mailing receipt and the signed return card as your proof.
Enforce the Lien Through a Foreclosure Lawsuit
A recorded lien does not collect money on its own. It creates leverage, but it expires if you do not follow through. To actually force payment, you must file a lawsuit to foreclose on the lien, asking a court to order the property sold and your debt paid from the proceeds. Enforcement deadlines vary widely. Some states give you as little as 90 days from the date of recording, while others allow six months, eight months, or a year. Miss the deadline and your lien becomes void no matter how much you are owed.
The property owner can accelerate this timeline. Several states allow the owner or general contractor to serve the lien claimant with a “Notice to Commence Suit” or similar demand. Once you receive that notice, your deadline shrinks, often to 30 or 60 days. If you do not file suit within the shortened window, your lien is extinguished. Treat any notice from the property owner or their attorney as a potential deadline trigger and respond immediately.
Release the Lien After Payment
Once you receive full payment, you have a legal obligation to remove the lien by filing a “Release of Lien” or “Satisfaction of Lien” with the same county recorder where you recorded the original. This is not optional. State deadlines for filing the release range from immediately upon payment to 10, 20, or 30 days.
The penalties for sitting on a satisfied lien are real. Depending on the state, you can face per-day fines, statutory penalties, liability for the owner’s actual damages, and responsibility for their attorney fees and court costs. Some states impose penalties that escalate over time. Refusing to release a paid lien can also expose you to a slander-of-title claim.
Watch Out for Lien Waivers During the Project
Lien waivers come up long before you think about filing a lien, and signing the wrong one at the wrong time can destroy your ability to file later. A lien waiver is a document giving up your lien rights for a specific payment or portion of a project. They are a normal part of construction payment, used by owners and general contractors to confirm everyone down the chain has been paid before the next draw is released.
Two distinctions matter. A conditional waiver takes effect only when the payment actually clears; if the check bounces, you still have your lien rights. An unconditional waiver takes effect the moment you sign it, regardless of whether the money has arrived. Sign an unconditional waiver before the funds hit your account and you have given up your lien rights for free.
Waivers also come in progress and final versions. A progress waiver covers a specific payment period; a final waiver covers the entire project. A final unconditional waiver is the most dangerous document in construction, because it says you have been paid in full for everything and waive all lien rights on the project. Never sign one until every dollar has actually been received. The practical rule: use conditional waivers for progress payments, and reserve unconditional final waivers for after full payment has cleared.
Mistakes That Invalidate a Lien
Most lien failures are not about whether the debt is legitimate. They are about procedural missteps:
- Missing the recording deadline. Even one day late means the lien is void.
- Wrong property description. Using the street address instead of the legal description, or copying the legal description with errors, gives the owner an easy path to removal.
- Naming the wrong owner. Properties held by LLCs, trusts, or partnerships must be listed under the entity that holds title. Listing an individual when the owner is “Smith Family Trust” can invalidate the claim.
- Misstating the first or last date of labor or materials, which controls both your deadlines and the scope of your claim.
- Inflating the amount. Pad the number and you open yourself to a challenge and potential wrongful-lien liability.
- Skipping preliminary notice. In states that require it, no notice means no lien rights.
- Failing to file the foreclosure lawsuit within the statutory window, which lets the lien expire automatically.
Each of these errors is independently fatal. A lien can be perfectly accurate in six ways and still die because of the seventh. The most experienced contractors treat lien filing like tax filing: they double-check every field, confirm every date, and calendar every deadline with a buffer.
Risks of Filing a Lien You Are Not Entitled To
Filing a lien you have no right to file carries real consequences. If a court finds your lien was frivolous, inflated, or filed without lien rights, you can face statutory penalties, liability for the owner’s actual damages, and an order to pay their attorney fees and court costs. Many states impose minimum statutory penalties for wrongful liens regardless of whether the owner can prove specific financial harm.
Property owners who suffer harm from a wrongful lien can also bring a slander-of-title claim. In a typical construction dispute where both sides genuinely disagree about what was owed, these claims are difficult to win, and a good-faith belief that you were owed the money is a strong defense even if you ultimately lose the underlying case. Filing a lien on a property you never worked on, or for an amount you know is fabricated, crosses that line easily. The financial exposure from a wrongful lien can exceed the amount of the original debt, so confirm your rights and your numbers before you record.