New Hampshire Lien Waiver & Release — There Is No Waiver Section, and Your Lien Was Never Worth Your Invoice (RSA 447:2-447:14, 2026)
✓ Verified against New Hampshire statutes · Reviewed September 2026 · By Michael Evan — Founder · 50 states · 799 rules
New Hampshire mechanics lien deadlines at a glance
Preliminary Notice
None — N/A
Mechanics Lien
120 days — From last date of furnishing
Enforcement
1 year — From attachment
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Twenty-One Sections, and the Waiver Is in None of Them
A lien waiver and release is the document a contractor, subcontractor, or supplier signs to give up lien rights, ordinarily in exchange for payment. New England does not answer that question the same way twice. Connecticut legislated directly on advance waivers. Massachusetts put a waiver form in chapter 254. Maine left the document alone and gave the owner a shut-off notice instead. New Hampshire did none of those things. Chapter 447 is titled Liens for Labor and Materials , and here is the whole of it: 447:1 vessels, 447:2 buildings, 447:3 brick, 447:4 lumber, 447:5 subcontractors, 447:6 notice, 447:7 railroads, 447:8 account, 447:9 duration, 447:10 how secured, 447:11 precedence, 447:12 share pro rata, 447:12-a attachment priority, 447:12-b construction mortgages, 447:13 boomage, 447:14 taking a note, 447:15 state work, 447:16 bond required, 447:17 notice, 447:18 petition and hearing. Not one prescribes a waiver form, restricts when a waiver may be demanded, or declares any category of waiver void. So a no-lien clause inside a New Hampshire subcontract is not void on its face , and the conditioning language in the release is the entire defense. Make it expressly conditional on actual receipt and clearance of an identified payment in the operative sentence rather than a recital, name that payment by amount and check or wire reference, scope it to a stated pay period, and…
Your Lien Is a Fund, Not Your Invoice
The reason waiver drafting matters less here than almost anywhere is that New Hampshire already decided how big the lien gets, and it did not use the value of your work to decide it. RSA 447:6 reads: Work the arithmetic once and the whole chapter reorganizes around it. A subcontractor owed $80,000 on a job where the owner still holds $30,000 for the general contractor has a lien worth $30,000 . The other $50,000 is an unsecured contract claim against whoever failed to pay. No amount of documentation converts it, because the statute measures the lien against somebody else's receivable. That is also what makes New Hampshire unusual on waivers specifically. In most states a release binds its signer and nobody else. Here, every release the general contractor signs against a draw moves money out of the pool a downstream lien can reach. A subcontractor who signed nothing at all can watch its security evaporate from the top down. The defense is not better waiver language. It is earlier notice .
What New Hampshire Regulates, and What It Leaves to the Form
Row eight deserves a second look, because it turns a private release into a shared problem. RSA 447:12 provides that, except as RSA 447:11 provides, all attaching lien creditors share pro rata in accordance with the amounts of their respective lien judgments in the property attached or in its proceeds. A claimant whose signed release cuts its own judgment down does not merely lose that money — it shrinks its slice of a pool that the other attaching creditors then divide. On a project where several subcontractors are chasing the same distressed fund, what each one signed at the March draw decides how September's proceeds split.
The One Anti-Waiver Sentence New Hampshire Did Enact
Chapter 447 has exactly one provision that protects a claimant from giving up the lien by accident, and it is about paper rather than releases. RSA 447:14 , in full: It is real protection and it is narrower than it looks. The rule is a default , not a prohibition: it protects a claimant who accepted a note without thinking about the lien, and it does nothing for a claimant who signed an accord and satisfaction reciting that the note is taken in discharge of the amount due and of the lien. New Hampshire will let that document do its work. The Note Does Not Pause the Clock Nothing in RSA 447:14 suspends RSA 447:9. The lien still ends 120 days after the claimant's last labor or furnishing, so a 90-day note accepted from a struggling general contractor consumes three quarters of the lien's life while the claimant waits for maturity. If a note is going to be taken on a New Hampshire job, take it and calendar the attachment anyway. Read alongside RSA 447:6, the pattern is consistent. New Hampshire protects the claimant against inadvertent loss of the lien and does nothing about a document the claimant deliberately signed — while capping what the lien was worth in the first place.
The Lien Rights a New Hampshire Waiver Releases
A waiver only matters while a lien right survives, and New Hampshire's survives for a short, fixed period and is secured in court rather than at a registry. The Mechanics Lien Management State System tracks these dates from the project record; the underlying text sits at New Hampshire lien statutes , with the calculator on the New Hampshire mechanics lien hub . Rows five and six are where New Hampshire jobs are lost. RSA 447:9 describes a duration , not a filing window, and RSA 447:10 secures the lien by attachment of the property , the writ and return distinctly expressing that purpose. There is no notice of contract to record and no claim of lien form to file. Inside 120 days a claimant needs a complaint, an attachment motion, supporting affidavits and a court date — so a release the claimant signed is argued in front of a judge within that same window, not in a foreclosure trial a year later. Background sits in what a New Hampshire mechanics lien is .
Generating and Tracking New Hampshire Waivers
Because the size of a New Hampshire lien depends on a balance the claimant does not control, a New Hampshire job has to be run from the contract balance rather than from the claimant's own aging report. The Mechanics Lien Management Method pairs a conditional waiver scoped to an identified payment with the RSA 447:5 notice served as early as the scope allows, the RSA 447:8 30-day accounts produced on schedule rather than on request, and a hard calendar entry at day 120 counted from last furnishing. New Hampshire Waiver & Notice Generator Produce a conditional New Hampshire waiver scoped to an identified payment and date range, the RSA 447:5 written notice to the owner or the person having charge of the property, and the recurring RSA 447:8 account — from one project record, with the RSA 447:9 120-day lien life calculated from last furnishing and tracked to the attachment date. Pair it with the property search tool to confirm the record owner and identify the person having charge of the property, the lien waiver hub for how New Hampshire compares to the statutory-form states, and the mechanics lien deadlines by state pillar for crews running work across New England. When a no-lien clause or an accord-and-satisfaction note turns up on a New Hampshire job, connect with a New Hampshire construction attorney through the Mechanics Lien Management network.
Generate the Right New Hampshire Documents in Minutes
The Mechanics Lien Management lien generator produces a conditional New Hampshire waiver, the RSA 447:5 notice to the owner, and the recurring RSA 447:8 account from one project record, with the Mechanics Lien Management deadline calculator running the RSA 447:9 120-day lien life from last furnishing. Miss the deadline and you lose your lien rights entirely.
Frequently Asked Questions
Does New Hampshire have a lien waiver statute?
No. RSA chapter 447 runs from 447:1 through 447:18 — vessels, buildings, brick, lumber, subcontractors, notice, railroads, account, duration, how secured, precedence, share pro rata, attachment priority, construction mortgages, boomage, taking a note, state work, bond required, notice, and petition and hearing. Not one of those sections prescribes a waiver form, restricts when a waiver may be demanded, or declares any category of waiver void as against public policy. A New Hampshire release is therefore an ordinary contract read on its own text, and the party that drafts it is upstream. The one sentence in the chapter that behaves like an anti-waiver rule, RSA 447:14, is about promissory notes rather than releases.
Is a New Hampshire subcontractor's lien limited to what the owner still owes the contractor?
Yes, and this is the defining feature of New Hampshire lien practice. RSA 447:6 provides that notice may be given after the labor is performed, the professional design services are provided, or the material is furnished, and said lien shall be valid to the extent of the amount then due or that may thereafter become due to the contractor, agent or subcontractor of the owner. The lien attaches to a fund, not to the value of the claimant's own work. A subcontractor owed $80,000 on a job where the owner still holds $30,000 for the general contractor has a lien worth $30,000, no matter how well documented the invoice is. Notice given early, before much of the contract sum has been paid out, protects a larger fund than notice given at the end.
Can someone else's lien waiver reduce my New Hampshire lien?
Functionally, yes, and that is what makes New Hampshire different from states where a waiver only binds its signer. Because RSA 447:6 measures the lien by what is due or may become due to the contractor, anything that reduces that fund reduces the downstream lien. The general contractor signing releases and drawing down the contract balance shrinks what a subcontractor's later notice can reach, even though the subcontractor signed nothing. The practical response is timing rather than drafting. Give the RSA 447:5 notice early to impound a larger fund, keep the RSA 447:8 accounts current, and track the contract balance rather than only the claimant's own receivable.
What notice must a New Hampshire subcontractor give the owner?
Written notice to the owner or to the person having charge of the property that the claimant will claim a lien. RSA 447:5 provides that a person who performs labor, provides professional design services as defined in RSA 447:2, or furnishes materials to the amount of $15 or more by virtue of a contract with an agent, contractor or subcontractor of the owner has the same lien, provided that he or she gives that notice before performing the labor or furnishing the material for which it is claimed. RSA 447:6 then supplies the alternative: the notice may be given after the work, but the lien is then valid only to the extent of the amount then due or thereafter to become due to the contractor. RSA 447:8 requires the claimant to furnish the owner a written account of the labor performed or materials furnished as often as once in 30 days.
How long does a New Hampshire mechanics lien last?
120 days. RSA 447:9 provides that the lien created by RSA 447:2 through 447:7 continues for 120 days after the services are performed or the materials, supplies or other things are furnished, unless payment is previously made, and takes precedence of all prior claims except liens on account of taxes. Note the verb. The statute describes a duration, not a filing deadline that can be met by handing a document across a counter. The lien exists for 120 days and then stops existing unless it has been secured in the meantime, which in New Hampshire means a court attachment rather than a recording.
How is a New Hampshire mechanics lien perfected?
By attachment of the property in a court proceeding. RSA 447:10 provides that any such lien may be secured by attachment of the property upon which it exists at any time while the lien continues, the writ and return thereon distinctly expressing that purpose. There is no notice of contract, no claim of lien form, and no recording that perfects the lien at a registry counter. The claimant brings suit and obtains a prejudgment attachment within the 120 days. For waiver practice that changes the timetable: a release the claimant signed is litigated at the attachment stage, in front of a judge, inside the same 120-day window, rather than months later in a foreclosure action.
Does accepting a promissory note waive a New Hampshire mechanics lien?
Not unless the note was taken in discharge. RSA 447:14 provides in full that no lien shall be defeated by taking a note, unless it was taken in discharge of the amount due and of the lien. It is the closest thing chapter 447 has to an anti-waiver rule, and it is narrow in a way worth reading precisely. The protection is a default, not a prohibition, so it protects a claimant who accepted paper without thinking about the lien and does nothing for a claimant who signed an accord-and-satisfaction reciting that the note is taken in discharge. And it does not pause RSA 447:9. A note maturing in 90 days can consume most of the 120-day life of the lien while the claimant waits politely for it to come due.