Projects that need a permit
You need a plumbing permit to:
- Replace or install fixtures (e.g., sinks, showers and tubs)
- Replace or install water piping
- Replace or install a water heater
- Install a non-testable backflow preventer device
Note: Testable backflow device is covered under the Regulated Backflow Assembly (RBA) Program
- Connect gas appliances (e.g., stoves, dryers or fireplaces) to gas piping
You need a mechanical permit to:
- Connect a furnace
Note: A licensed contractor must get the permit and perform the work to connect the gas to the furnace. Find a licensed contractor
Learn about projects that do not need a permit
Emergency repairs
You can do an emergency repair without first getting the necessary permit. After you complete the work, you must get the permit within a reasonable timeframe.
Licensing requirements
A homeowner can apply for a permit to perform plumbing work on a property if they are the occupant of a:
- Single-family detached dwelling
- Single-family attached dwelling
Note: See the definition of single-family detached and attached dwellings in Minneapolis Code of Ordinances, Section 89.30.
See Minneapolis Ordinance Section 89.30
The City of Minneapolis issues licenses to plumbing contractors. A contractor applying for a license must either:
- Hold a City of Minneapolis Certificate of Competency at the master level
- Employ a tradesperson who holds this certification
Apply for a plumbing contractor business license
Business Assistance
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