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State files updated Oct 29, 2026
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Minnesota contractor license

Master Metals Inc

Master Metals Inc of Onalaska holds Minnesota license MB648666 (Mechanical Contractor Bond). The DLI file dated Oct 29, 2026 lists it as active.1 It expires Jan 1, 2028.

Licensed 14 years, longer than 61% of 2,443 active Minnesota HVAC contractors.

Active

Master Metals Inc, Onalaska

License
MB648666
Class
Mechanical Contractor Bond
Expires
Jan 1, 2028
Bond
On file to Jan 1, 2028

DLI file dated Oct 29, 2026

From the DLI file dated Oct 29, 2026. Not a consumer report; check the board before you hire.

What bond, insurance and workers' comp are on file?

Bond
On fileto Jan 1, 2028
Liability insurance
Not in the DLI fileCheck with the board
Workers' comp
Not in the DLI fileCheck with the board

What work does this license cover?

License level: Mechanical Contractor Bond. Issued May 3, 2012.

Where are other licensed Minnesota contractors listed?

Minnesota HVAC contractors

What should you check before hiring?

What to ask before you hire

  1. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  2. Check the class covers the job. A license for one trade doesn't cover another. Minnesota license classes
  3. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  4. Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. The DLI file doesn't record workers' comp, so ask for the certificate.
  5. Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.

If the license is lapsed

  1. Don't sign or pay a deposit until the DLI shows the license active again.
  2. Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the DLI, then check again.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Department of Labor and Industry (DLI).
  4. Check another contractor. Minnesota license lookup

Sources

  1. DLI license and registration export (dli.mn.gov, Oct 29, 2026)
  2. Department of Labor and Industry (DLI)