Plumber Interview Questions

28 Questions and Answers by

Rachelle Enns is an interview coach and job search expert. She works with candidates to perform their best in employment, medical, and post-secondary admission interviews.

Plumber was updated on February 23rd, 2016. Learn more here.

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We run a credit report and background check are you ok with that?

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Plumber Interview Questions & Answers

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  1. 1.

    We run a credit report and background check are you ok with that?

  2. 2.

    How long has it been since you've had a leak with copper piping?

  3. 3.

    What would have to change about your current job, for you to stay where you are?

  4. 4.

    What do you enjoy most about being a plumber?

  5. 5.

    How long do you want to be a plumber?

  6. 6.

    How does your family feel about you being on call?

  7. 7.

    If a customer complains their house has too little water pressure, what steps would you take to fix this problem?

  8. 8.

    What is the worst thing you had to do as a plumber?

  9. 9.

    What advantages are there for PVC water mains?

  10. 10.

    Do you have your own plumbing equipment?

  11. 11.

    Do you prefer your water mains be pvc or copper?

  12. 12.

    If you installed a copper pipe next to the shower head, and realized you ran out of fasteners, knowing this will create a problem ten years down the road, what do you do?

  13. 13.

    Have you ever changed a toilet before?

  14. 14.

    What training do you have in plumbing?

  15. 15.

    What experience do you have with snaking clogged up pipes?

  16. 16.

    Have you ever installed a shower with multiple shower heads? How did you keep water pressure high?

  17. 17.

    Have you ever plumbed an office building?

  18. 18.

    How many years experience do you have plumbing?

  19. 19.

    What license do you have as a plumber?

  20. 20.

    How many houses have you plumbed before?

  21. 21.

    What are the advantages for installing steel plumbing underneath a sink? In what cases would you do it?

  22. 22.

    Do you have any experience installing water based heating systems?

  23. 23.

    Who taught you mostly what you know in plumbing?

  24. 24.

    Is there any other trades you are looking to learn?

  25. 25.

    Have you ever installed PEX plumbing in a concrete floor?

  26. 26.

    Do you want to own your own plumbing business in the future?

  27. 27.

    If a customer needs a new toilet installed, you remove the old one and find the floor to be rotting all around the toilet, what do you do?

  28. 28.

    If I were to ask a previous supervisor about your performance, what would they say?