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When is a Lien Waiver Needed?

Know when lien waivers are required—and how to manage them with less friction using Flex’s payments platform.

Industry:
Construction
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Aproximate Read Time:
3 min.

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When is a Lien Waiver Needed?

The following article is offered for informational purposes only, and is not intended to provide, and should not be relied on, for legal or financial advice. Please consult your own legal or accounting advisors if you have questions on this topic.

In the construction industry, ensuring timely and secure payments is crucial for maintaining project momentum and fostering trust among stakeholders. One essential tool in this process is the lien waiver—a document that helps prevent payment disputes and protects all parties involved.

What Is a Lien Waiver?

A lien waiver is a legal document wherein a contractor, subcontractor, supplier, or other party acknowledges receipt of payment and waives the right to file a mechanic's lien for the amount received. Essentially, it serves as a receipt of payment and a relinquishment of future lien rights for the specified amount.

Types of Lien Waivers

Understanding the different types of lien waivers is vital for proper application:

  • Conditional Waiver on Progress Payment: Waives lien rights upon receipt of a progress payment. It becomes effective only when the payment is actually received.

  • Unconditional Waiver on Progress Payment: Waives lien rights immediately upon signing, regardless of whether the payment has been received.

  • Conditional Waiver on Final Payment: Waives lien rights upon receipt of the final payment. Like the conditional progress waiver, it is effective only upon actual payment.

  • Unconditional Waiver on Final Payment: Waives all lien rights unconditionally, typically used when the final payment has been received and cleared. 

Each type serves a specific purpose and should be used appropriately to ensure legal protection and clarity in transactions.

When Is a Lien Waiver Needed?

Lien waivers are typically required in the following scenarios: 

  • Progress Payments: Before releasing a progress payment, property owners or general contractors often request a conditional waiver to ensure that the subcontractor or supplier will not file a lien for that payment.

  • Final Payments: Prior to making the final payment, an unconditional waiver may be requested to confirm that all payments have been made and no further lien rights exist.

  • Project Milestones: At various stages of a project, especially when significant work has been completed, lien waivers may be used to document payments and waive lien rights for the completed work.

Utilizing lien waivers at these junctures helps maintain clear records and prevents potential legal disputes over payments.

Are Lien Waivers Required in Every State?

Lien waivers are not legally required in any U.S. state, but they are widely used across the construction industry to manage risk and facilitate payment.

However, 12 states require the use of specific, state-mandated lien waiver forms. These forms ensure that the language used is legally compliant and clear for all parties involved.

If you're working on a project in one of the following states, you must use the statutory lien waiver forms provided by the state:

  • Arizona

  • California

  • Florida

  • Georgia

  • Massachusetts

  • Michigan

  • Mississippi

  • Missouri

  • Nevada

  • Texas

  • Utah

  • Wyoming

In every other state, lien waivers are typically allowed but not regulated, meaning parties are free to draft and use their own waiver language—though best practice is to use clear, fair, and consistent terms.

Do Lien Waivers Need to Be Notarized?

In most cases, lien waivers do not need to be notarized. A notarization only verifies the identity of the signer—it does not prove payment or enforceability.

However, three states—Mississippi, Texas, and Wyoming—require lien waivers to be notarized for them to be considered valid and enforceable.

In all other states, notarization is generally optional and rarely used unless the lien waiver is being recorded or treated as an affidavit.

Benefits of Using Lien Waivers

Implementing lien waivers in construction projects offers several advantages:

  • For Property Owners and General Contractors:

    • Provides proof of payment.

    • Prevents the possibility of double payments.

    • Protects against unexpected liens that can delay or complicate project completion.

  • For Subcontractors and Suppliers:

    • Expedites the payment process.

    • Establishes trust and transparency with clients.

    • Reduces the risk of payment disputes.

By clearly documenting payments and waiving lien rights appropriately, all parties can ensure smoother project execution and financial transactions.

Best Practices for Managing Lien Waivers

To effectively manage lien waivers:

  • Use the Correct Waiver Type: Ensure that the appropriate waiver is used for each payment situation.

  • Verify Payment Receipt: Before signing an unconditional waiver, confirm that the payment has been received and cleared.

  • Maintain Accurate Records: Keep organized records of all signed waivers and associated payments for future reference.

  • Understand State Laws: Lien waiver laws vary by state. Familiarize yourself with local regulations to ensure compliance.

Adhering to these practices helps prevent legal complications and promotes financial clarity throughout the construction process.

When Should You Sign a Lien Waiver?

A lien waiver should typically be signed only after payment has been received, especially when using unconditional waivers, which immediately waive lien rights regardless of whether funds have cleared.

That said, conditional lien waivers are often signed in advance of receiving payment, since they only go into effect once payment is actually made.

Here’s the general process:

  • The payor (owner or general contractor) sends a lien waiver to the payee (subcontractor, vendor, etc.).

  • The payee signs the appropriate type of waiver (conditional or unconditional) depending on the payment status.

  • Once the waiver is signed, payment is released or finalized.

Be cautious about signing an unconditional waiver before payment is processed. Doing so could put you at risk of losing lien rights without receiving the funds owed.

How Do You Create a Lien Waiver?

While it's possible to create a lien waiver from scratch, doing so without legal guidance is risky—especially given the legal and financial implications of lien rights.

Many states have strict requirements that a lien waiver must meet to be enforceable. Mistakes—no matter how small—can render a waiver invalid, opening the door to disputes or even litigation.

Here are some key considerations:

  • State-Mandated Forms: As noted earlier, 12 states require the use of specific statutory forms. If you’re working in one of these states, using the wrong format can void the waiver entirely.

  • Required Language: Even in states without mandated templates, lien waivers often need to include specific legal terms and disclaimers to be valid.

  • Notarization Requirements: A few states—like Mississippi, Texas, and Wyoming—require lien waivers to be notarized.

  • Project-Specific Details: Every waiver should clearly outline:

    • The project name and location

    • The exact scope of work or materials provided

    • The payment amount covered by the waiver

    • The payment date or timeframe

Vague or inaccurate language can create loopholes that allow one party to claim payment for unrelated work, or file a lien despite payment having been made.

Why Attention to Detail Matters

Both payors (owners or general contractors) and payees (subcontractors, vendors, etc.) benefit from properly executed lien waivers. When done correctly, they help:

  • Ensure payments are properly documented

  • Prevent duplicate or inflated payment claims

  • Reduce the risk of liens being filed in error or bad faith

To protect yourself, it's always best to use reliable templates tailored to your state and project—and consult legal or construction finance experts when needed.

Scaling Your Construction Business

Lien waivers play a critical role in protecting cash flow, reducing risk, and keeping construction projects on track. When used correctly, they help prevent disputes, ensure compliance, and build trust across every layer of the payment chain.

As your business grows, having the right financial systems in place becomes just as important as the work on-site. Consider exploring modern tools designed to streamline payments, automate documentation, and support every stage of your project’s financial lifecycle.

Ready to take the next step? Discover smarter solutions for your construction finances.

Blog Written:
6/12/25
Viviana Vazquez
Viviana Vazquez, Sr. Content Manager