You hired a contractor to renovate your kitchen. The work is done, or maybe half-done. Now there's a document in your mailbox — or worse, recorded on your county property records — claiming a lien on your home. A mechanic's lien (also called a materialman's lien or construction lien) is a serious legal instrument that can block you from selling or refinancing your property. But you have more options to fight it than you may realize.
What a Mechanic's Lien Is
A mechanic's lien is a security interest in real property granted to contractors, subcontractors, material suppliers, and laborers who contribute to the improvement of that property — and are not paid for their work.
The theory behind it: if a contractor adds value to your property (a new roof, a remodeled bathroom, a foundation repair), it's unfair for them to lose that value entirely if you don't pay. The lien gives them a legal claim against the property itself, not just your personal promise to pay.
Mechanic's liens are creatures of state law. The rules — deadlines, filing requirements, notice procedures — vary significantly by state. California, Texas, Florida, and New York each have their own detailed framework.
Who Can File a Mechanic's Lien
The lien claimant doesn't have to be the contractor you hired directly. Any party in the construction chain who isn't paid can file:
- General contractors (GC) — the company you hired
- Subcontractors — the plumber, electrician, or roofer the GC hired
- Material suppliers — the lumber yard, tile distributor, or equipment supplier
- Equipment rental companies
- Design professionals (architects and engineers in some states)
This creates a critical risk for property owners: you can pay your general contractor in full and still face a lien from a subcontractor the GC didn't pay. The subcontractor's claim is against your property — even though your dispute is really with the GC.
The Preliminary Notice Requirement
Most states require a would-be lien claimant to serve a preliminary notice (also called a prelien notice or 20-day notice in California) on the property owner before or shortly after work begins. This notice:
- Identifies who is performing work or supplying materials
- Puts you on notice that a lien right exists
- Is a prerequisite to filing a valid lien in most states
If you receive a preliminary notice during a construction project, don't ignore it. It's not a threat — it's a notification. Keep it. If payment disputes arise later, you'll know who the potential lien claimants are.
Filing Deadlines: When the Lien Must Be Filed
States impose strict deadlines for filing mechanic's liens after the last date of work or material delivery. Miss the deadline and the lien right is forfeited:
- California: 90 days after completion of the project (60 days if a Notice of Completion was recorded)
- Texas: The 15th day of the 4th month after the month in which work was performed
- Florida: 90 days after last furnishing labor or materials
- New York: 8 months from the last date of work on a private project (4 months for single-family residences)
- Washington: 90 days from the last date of work
The lien is filed in the county recorder's office where the property is located. Once filed, it becomes a public record attached to the property's title.
How a Mechanic's Lien Affects You
It Blocks Sale and Refinancing
This is the lien's main leverage. Title companies will not issue title insurance on a property with an unresolved mechanic's lien. No title insurance means:
- Your buyer's mortgage lender won't fund the purchase
- You cannot refinance your mortgage
- A cash sale becomes far more complicated
If you're planning to sell or refinance soon after a renovation, an unresolved lien is a serious problem.
It Can Lead to Foreclosure
Mechanic's liens can be enforced through a lien foreclosure lawsuit. If the claimant sues to enforce the lien and wins, the court can order the property sold to satisfy the debt — just like a mortgage foreclosure. This is rare, but it's the legal endpoint of an unresolved lien.
It Appears on Your Title
Lenders and title companies see every lien in a title search. Even if the lien is disputed or incorrect, it must be addressed before most real estate transactions can close.
How to Remove a Mechanic's Lien
You have several options depending on the circumstances:
1. Pay the Undisputed Amount
If the claimant is legitimately owed money, paying them in full triggers their obligation to release the lien. Get the release in writing — a "release of lien" or "satisfaction of lien" document — and record it in county records.
2. Bond Over the Lien
Most states allow you to "bond over" a lien by posting a lien bond (typically 1.0 to 1.5 times the lien amount). The bond substitutes for the property as security for the claim. The lien is released from the property, allowing a sale or refinance to proceed. The dispute moves to the bond rather than the property.
This is the preferred strategy when you're disputing the amount or validity of the claim but need to close a sale quickly.
3. Dispute the Lien — Force the Claimant to Enforce It
Mechanic's liens have enforcement deadlines as strict as their filing deadlines. The claimant must file a lawsuit to enforce the lien within a specific time period (often 90 days to 1 year after filing, depending on state). If they don't sue within the window, the lien expires.
If the lien was improperly filed (wrong amounts, wrong property description, missed preliminary notice requirements, filed after the deadline), you may be able to challenge its validity directly in court through a quiet title action.
4. Negotiate a Settlement
Many mechanic's lien disputes settle. The claimant wants money, not a protracted lawsuit. If you have a legitimate dispute about the quality of work or the amount owed, negotiate. Get any settlement and release in writing and ensure the recorded lien is formally released.
When You Paid the GC But the Sub Files a Lien
This is the most frustrating scenario. You paid your general contractor. The GC didn't pay the subcontractor. The sub files a lien against your property.
Your remedies:
- Joint checks: Going forward, issue checks payable jointly to the GC and the subcontractor — both must sign to cash it
- Lien waivers: Require GC and all known subs to provide conditional lien waivers before each payment, and unconditional waivers upon final payment
- Indemnity demand: If you paid the GC in full, you may have a breach of contract or indemnity claim against the GC for any lien filed by unpaid subs
State laws differ significantly on owner protections in this scenario. Some states allow you to deduct the lien amount from future payments to the GC. Others make you pay twice and then sue the GC to recover.
Received a mechanic's lien notice or preliminary notice and not sure what it requires you to do? Upload it to PaperLens for a plain-English explanation of the deadlines and your options. Scan your document →