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Install / Replace A Sink, Toilet, Shower, or Bathtub

If you’re replacing or installing a sink, toilet, shower, or bathtub, you’ll need to hire a contractor who can apply for a Plumbing Permit and perform the work.

If you are renovating an entire bathroom, please refer to the renovate a bathroom or kitchen website instead.

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 sinks, toilets, showers, or bathtubs.

What permits do I need?

Plumbing Permit
  • If you are only replacing or installing a sink, toilet, shower, or bathtub and no other work needs to be done, such as opening up walls.
Short-Form Permit
  • Only if you need to open up any non-structural walls while performing the work.

How do I apply?

The Plumbing Permit and Short-Form Permit pages list the steps you need to take, including:

  • Understanding what documentation is required to replace a sink, toilet, shower, or bathtub
  • How to apply online
  • What to expect after applying
  • What to do after work is completed
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