Install or Replace a Water Heater or Boiler

Putting in a new water heater or boiler is a big job. You’ll need to hire a contractor who can apply for a Plumbing Permit and perform the work.

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Who can install or replace?

Only a contractor with a valid, non-expired Massachusetts trade license may apply for a Plumbing Permit and perform any plumbing work related to installing or replacing these appliances.

For replacing or installing a water heater or boiler when no other work needs to be done, such as opening up walls.

The Plumbing Permit page lists the steps you need to take, including:

Check the status of an active Inspectional Services or Boston Fire permit.

Visit the Boston Fire Prevention online portal.

Visit the Inspectional Services online portal.

View a map of Zoning information for your address or parcel ID.

Find information and resources related to permit projects.