MN

Minnesota Construction Compliance Requirements

Everything general contractors need to know about lien law, prevailing wage, insurance, and OSHA compliance in Minnesota.

Mechanics Lien Law

Minnesota requires a Pre-Lien Notice within 45 days of first furnishing for subcontractors under Minn. Stat. 514.011. Mechanics liens must be filed within 120 days of last furnishing. Minnesota has a robust lien system with strong protections for subcontractors.

Key Deadlines

45 days: Pre-Lien Notice deadline for subcontractors
120 days: Mechanics lien filing deadline
1 year: Lien enforcement deadline

Prevailing Wage Requirements

Minnesota requires prevailing wages on state-funded public construction projects over $25,000 under Minn. Stat. 177.41-177.44. Department of Labor and Industry sets rates. Certified payroll required.

Insurance Requirements

Workers compensation required for all employers with 1+ employees. Minimum $1M general liability standard. Minnesota has a competitive private insurance market. Additional coverage often required for winter construction.

OSHA & Safety Compliance

Minnesota operates a state OSHA plan through MNOSHA (Minnesota OSHA) under the Department of Labor and Industry. Covers both public and private sector. Standards generally mirror federal OSHA.

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Last 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.