State contractor bond

Minnesota HVAC Contractor Bond Guide

State contractor bond

Check the rules for this work

Minnesota DLI says mechanical contractors do not need a state mechanical contractor license. Businesses contracting for heating, ventilation, air conditioning, refrigeration and related work must file a mechanical contractor bond with DLI.

A contractor bond is different from a trade license. Review the DLI mechanical contractor bond guidance before contracting for this work.

Open official bonding guidance ↗

Official source: www.dli.mn.gov. Retrieved 2026-09-05.

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Latest source retrieval: 2026-09-05.