Why do I need a plumbing permit?

A plumbing permit is required for any installation, alteration, repair, replacement or remodel of any plumbing system regulated by WMC 15.09.10 Section 105.2 (C) to See Plumbing Permit Application and Checklist.

A plumbing permit is not required for the following per UPC Section 103.1.2:

  • Stopping and/or repairing of leaks in drains, soil, waste, or vent pipe provided, however, that should any concealed trap, drainpipe, water, soil, waste or vent pipe become defective and it becomes necessary to remove and replace the same with new material, the same shall be considered new work and a permit shall be procured and inspection made as provided in this code
  • The clearing of stoppages
  • Re-installation or replacement of prefabricated fixtures that do not involve or require the replacement or rearrangement of valves or pipes

Show All Answers

1. Why do I need a building permit?
2. When do I need an emergency work permit?
3. When do I need a building permit?
4. When do I need a mechanical permit?
5. Why do I need a plumbing permit?
6. Don't permits cost thousands of dollars?
7. What if I made an alteration to my home without realizing I needed a permit and I want to correct the situation; will I be subject to a fine? Do I have to tear the whole project down and start over?
8. What is the purpose of the permits and codes?
9. If I get a permit to remodel my home that was built ten years ago, do I remodel using the building codes that were in affect at the time my home was originally built or to today's code?
10. If I remodel my house, do I have to bring the entire home up to the codes in effect today?
11. Why should I use a licensed contractor?
12. If a licensed contractor is doing the construction should I rely on my contractor to get the permit?
13. I’m doing work that is exempt from a building permit. Is there anything else I should be concerned about?