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Safety & Inspections
A Refrigeration License allows the holder to install any device using refrigerant for either comfort cooling or refrigeration of products (central air conditioners, chillers, heat pumps, walk-in coolers, walk-in freezers, refrigerated cases, etc.)
of the Saint Paul Legislative Code for information about building trade business licenses.
You must submit the following:
Building Trades Business License Application
A current City of Saint Paul
Certificate of Competency
A Certificate of Insurance with a combined single limit of liability for bodily injury and property damage of $500,000; or $500,000 bodily injury and $200,000 property damage
Proof of Worker's Compensation
Minnesota Tax ID Number
The required fee
If you have questions, contact the Mechanical Inspection Department at (651) 266-9004, or
email the DSI Message Center
The annual fee for trade licenses is $160.00 each.
All Trade Licenses expire on December 1 and may be renewed annually.
Policies & Practices