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Lien waivers by state · New Hampshire

New Hampshire lien waiver requirements

New Hampshire is a non-statutory state

New Hampshire does not regulate lien waivers by statute — there is no mandatory statutory waiver form and no required language, so waivers may be freely worded and are treated like ordinary contracts. Because they are unregulated, the exact wording controls and waivers should be read carefully before signing. New Hampshire's underlying mechanics lien (RSA ch. 447) is unusual in that the lien is secured through a court attachment within 120 days of last furnishing rather than by simply recording a claim.

Statute: N.H. Rev. Stat. Ann. ch. 447 (the construction/mechanics lien chapter, §§ 447:2-447:14) governs the lien itself; there is no separate statute prescribing lien-waiver form. Electronic signatures are governed by N.H. RSA ch. 294-E (Uniform Electronic Transactions Act), esp. RSA 294-E:7.

New Hampshire lien waiver forms

The four standard waiver-and-release types and New Hampshire’s rules for each.
Waiver type	Statutory form?	Notarized?
Conditional waiver and release on progress payment
Unconditional waiver and release on progress payment
Conditional waiver and release on final payment
Unconditional waiver and release on final payment

Requirements at a glance

Notarization: New Hampshire does not require lien waivers to be notarized; they are treated like any other contract. (Recorded lien-related documents may have their own recording-format requirements, but the waiver itself need not be notarized.)
Mandatory statutory language: New Hampshire has no statutory lien-waiver form and prescribes no mandatory waiver language; parties may word waivers freely, and they are interpreted as ordinary contracts.
Electronic signatures accepted

Key New Hampshire deadlines

Preliminary / pre-lien notice: No preliminary notice is required of a general contractor who contracts directly with the owner. A subcontractor or supplier without a direct contract with the owner must give the owner notice to preserve lien rights, and must furnish the owner a written account of labor/materials at least once every 30 days (RSA 447:5-6, 447:8). Sources differ on exact timing, so confirm the current statute.
Notice of intent to lien: No statutory "notice of intent to lien" is required as a precondition to perfecting a New Hampshire mechanic's lien. (The subcontractor's RSA 447:5 pre-work written notice to the owner is a separate preliminary-notice requirement, not an NOI. A demand-style notice of intent is optional and not legally required.)
Mechanics lien filing deadline: Within 120 days of the claimant's last furnishing of labor or materials. New Hampshire is unusual: the lien is secured by obtaining a court attachment (typically via an ex parte petition / lawsuit with pre-judgment attachment) within that 120-day window, not by simply recording a claim (RSA 447:9-10).

New Hampshire lien waiver FAQ

Does New Hampshire require a specific lien waiver form?

No. New Hampshire has no statutory lien waiver form and does not require any specific waiver language; waivers may be freely worded and are treated like ordinary contracts. Because they are unregulated, read the exact wording carefully before signing.

Do lien waivers need to be notarized in New Hampshire?

No. New Hampshire does not require lien waivers to be notarized.

Can lien waivers be signed electronically in New Hampshire?

Yes. New Hampshire's Uniform Electronic Transactions Act (RSA ch. 294-E, esp. 294-E:7) gives electronic signatures the same legal effect as handwritten ones, and because lien waivers are ordinary contracts they may generally be signed electronically.

What is the deadline to file a mechanics lien in New Hampshire?

A New Hampshire mechanics lien must be secured within 120 days of the claimant's last furnishing of labor or materials. Unlike most states, New Hampshire secures the lien through a court attachment (an ex parte petition / suit with pre-judgment attachment) within that 120-day period rather than by recording a claim (RSA 447:9).