New Hampshire Construction Compliance Requirements
Everything general contractors need to know about lien law, prevailing wage, insurance, and OSHA compliance in New Hampshire.
Mechanics Lien Law
New Hampshire mechanics liens must be filed within 120 days of last furnishing under RSA 447. Subcontractors must provide a Notice of Intent to the property owner. New Hampshire allows attachment liens and consent liens. The lien must be enforced within 120 days of filing.
Key Deadlines
Prevailing Wage Requirements
New Hampshire does not have a state prevailing wage law (repealed in 2011). Federal Davis-Bacon applies to federally funded projects only. No state certified payroll requirements.
Insurance Requirements
Workers compensation required for all employers with 1+ employees. Minimum $1M general liability typical. New Hampshire Department of Labor administers workers comp. Competitive private market.
OSHA & Safety Compliance
New Hampshire follows federal OSHA for private sector. State covers public sector employees through the NH Department of Labor. Private sector under federal OSHA.
Automate New Hampshire Compliance
Subcontractor Audit tracks NH-specific insurance requirements, lien waiver forms, and compliance deadlines automatically.
Start 14-Day Free TrialLast reviewed: April 2026. This guide is for informational purposes only and does not constitute legal advice. Consult a qualified attorney for state-specific legal questions.