noun
plumber; plumbing shop
Refers to a person who does plumbing work or a business that handles plumbing. Often used for the tradesperson or the company.
水道屋さんに水漏れを直してもらった。
I had a plumber fix the water leak.
近所の水道屋は日曜も営業している。
The local plumbing shop is open even on Sundays.