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
Projects that do not need a permit
Minneapolis Construction Code Services waives the permit, inspection and testing requirements for certain plumbing work in one- and two-family dwellings.
You do not need a plumbing permit to:
- Reconnect an existing water supply line to a replacement appliance that:
- Is a similar type
- Does not involve the replacement or alteration of the existing water supply line
- Replace the internal working components of existing:
- Replace sink faucets when the work does not include alterations to the existing plumbing piping system
- Replace or reset water closets when the work does not include alterations to the existing plumbing piping systems
- Replace a clean-out plug
- Do a minor repair of:
- Broken drain, waste and vent pipes
- Leaking fixtures
- Leaking water pipes
- Reconnect or replace a dishwasher or ice maker
- Replace or install a new garbage disposal
Note that we waive permit requirements for the above as long as the plumbing work does not pose an unsanitary or hazardous condition.
For more information about exempt plumbing work , see Minnesota Plumbing Code MN Rules Chapter 1300.0215.
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.
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
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