Plumbing License Requirements by State (2026) – Complete U.S. Plumber Licensing Guide
Plumbing license requirements in 2026 vary significantly by state, but every state either licenses plumbers at the state level or leaves licensing to cities and counties, which still typically require registration, exams, and documented experience. How plumber licensing works nationwide Most U.S. jurisdictions follow the same basic ladder: start as an apprentice/trainee, move up to …
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