New Hampshire Lien Law

Supplier – Preliminary notice requirements to file mechanic lien
Best Practice: Notice of lien rights served on owner prior to providing labor or materials and must send updated statement of account every 30 days.

Supplier – Mechanic Lien
120 days: Lien must be filed within 120 days of last providing labor or materials.

Subcontractor – Preliminary notice requirements to file mechanic lien
Best Practice: Notice of lien rights served on owner prior to providing labor or materials and must send updated statement of account every 30 days.

Subcontractor – Mechanic Lien
120 days: Lien must be filed within 120 days of last providing labor or materials.

General Contractor – Preliminary notice requirements to file mechanic lien
No preliminary notice is required.

General Contractor – Mechanic Lien
120 days: Lien must be filed within 120 days of last providing labor or materials.

Timeframe to foreclose lien
One hundred twenty consecutive calendar days after the last furnishing of labor and/or materials. 

Construction participants not covered by lien law
It is unsettled whether third tier subcontractors are protected.  A material supplier to a material supplier, however, is not afforded protection.

Cost and damages not allowed in lien claim
interest, attorney fees, lost profits, equipment not attached as a fixture to building, and indirect or consequential damages.