|"Is this all real? Or has this been happening inside my head?"
The topic of this article is of a real-life subject that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.
A plumber is someone who fixes or puts in piping systems and plumbing fixtures.
Mr Mason had an anecdote about some American plumbers that Petunia Dursley claimed to have been dying to hear, in 1992. Vernon Dursley also told a joke about plumbers to Mr Mason during a dinner party in 4 Privet Drive, in 1992.
- Harry Potter and the Chamber of Secrets (First mentioned)
- Harry Potter and the Chamber of Secrets (film) (Mentioned only)
- Harry Potter and the Order of the Phoenix (Mentioned only)
- LEGO Harry Potter: Years 1-4 (Name on sign)