Note: Many projects require more than one permit. To determine which permits you need for your project, call Minneapolis 311 (if outside the Minneapolis city limits call (612) 673-3000).
A plumbing permit is required to:
- Replace or install fixtures (sinks, showers, tubs, etc.).
- Replace or install water piping.
- Replace or install a water heater.
- Connect gas appliances, such as stoves, dryers, or fireplaces, to gas piping.
- A mechanical permit is required for connecting a furnace.) Note: A licensed contractor must get the permit and perform the work of connecting the gas to the furnace. Find a licensed contractor
When a plumbing permit is not required:
A permit is NOT required for one or two dwelling families (including townhomes) if the reconnection or replacement of dishwashers, ice-makers, and toilets if work does not involve the alteration of the existing water supply or existing plumbing system.
Backflow Preventer Assembly Permits
Per State of Minnesota Statute 4714, an approved Backflow Assembly is required to be installed on equipment connecting to potable water in commercial properties and residential properties of three units or more.
The installation, removal or overhaul of these devices must be performed by a plumber licensed by the City of Minneapolis. Testing of these devices is required to be done annually. Testing must be performed by a person accredited by the State of Minnesota for backflow prevention testing.
Important Notice Regarding Backflow Assembly Permits
A test and inspection record card must be affixed to the device and the date, test results, testers name and certification number must be recorded on the inspection record after each test. An RBA Application Form and permit fee must be submitted by a City of Minneapolis licensed plumbing contractor for each installation, removal or overhaul and test performed.
Permit applications received for the installation of a Backflow Assembly will be processed as a RBA Permit. Each installation will be processed as a fixture and the minimum permit fee will apply.
A homeowner who is the occupant of a single-family detached dwelling or single-family attached dwelling may apply for a permit to perform plumbing work as listed above on that property. (Note: single-family detached and attached dwellings as defined in Minneapolis Code of Ordinances, 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 or employ a tradesperson who does. Obtain a business license
Last updated Nov 2, 2016