Maine Construction Compliance Requirements
Everything general contractors need to know about lien law, prevailing wage, insurance, and OSHA compliance in Maine.
Mechanics Lien Law
Maine mechanics liens must be filed within 90 days of last furnishing under 10 MRSA 3251 et seq. No preliminary notice is required. Maine provides lien rights to contractors, subcontractors, and material suppliers. Liens must be enforced within 120 days of filing.
Key Deadlines
Prevailing Wage Requirements
Maine requires prevailing wages on public works projects over $50,000 under 26 MRSA 1301 et seq. Maine Department of Labor sets rates. Certified payroll required on applicable projects.
Insurance Requirements
Workers compensation required for all employers with 1+ employees. Minimum $1M general liability typical. Maine uses a competitive private insurance market. MaineHealth and safety programs emphasized.
OSHA & Safety Compliance
Maine follows federal OSHA for private sector. Maine operates a state OSHA plan for state and local government employees through the Maine Department of Labor (SafetyWorks!). Private sector under federal OSHA.
Automate Maine Compliance
Subcontractor Audit tracks ME-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.