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New Hampshire Mechanics Lien Law

Everything you need to know to protect your lien rights in New Hampshire

Critical Deadlines

120

days - Lien Filing

360

days - Enforcement

📋Preliminary Notice

NOT REQUIRED

New Hampshire does not require a preliminary notice for private projects.

⚖️Lien Filing

Filing Deadline
120 days from last work
Where to File
Registry of Deeds
Filing Fee
$25-50
Description
Within 120 days of last furnishing

⏱️Enforcement

Deadline to Sue
360 days from filing lien
Description
Within 1 year of filing lien

Note: If you don't file a lawsuit within this period, your lien becomes unenforceable.

🏛️Public Projects (Bond Claims)

Preliminary Notice
Required within 90 days
Bond Claim Deadline
90 days from completion
Governing Statute
RSA §447:17

Special Rules & Contractor Protections

Pay-if-Paid

⚠️ Enforceable

Retainage Cap

5%

License Required

Not required for liens

💡 Important Notes for New Hampshire

  • No preliminary notice requirement

📚 Statute References

Lien Law:
RSA §447:2
Bond Law:
RSA §447:17

Protect Your Rights in New Hampshire

SubShield automatically applies New Hampshire lien laws when analyzing your contracts. Get deadline tracking, compliance alerts, and personalized risk analysis.

This information is for educational purposes only and is current as of January 2026. Always consult with a licensed New Hampshire construction attorney for your specific situation.