Plumber License from Wyoming to New Hampshire: Does It Transfer? (2026)
Does New Hampshire accept a Wyoming plumbing license?
There is no Wyoming state license to carry to New Hampshire: Wyoming issues no statewide journeyman plumber license. New Hampshire does license this work, so ask the New Hampshire Office of Professional Licensure and Certification (OPLC) — Mechanical Safety and Licensing Board whether it credits a local license or your documented experience; otherwise you qualify as a new applicant.
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Verdict
No state license to transfer
The issue on this move is the starting point: Wyoming issues no statewide journeyman plumber license — plumbing there is regulated at the contractor level or by cities and counties — so there is no Wyoming state license for New Hampshire to verify or endorse. New Hampshire does license plumbers, through the New Hampshire Office of Professional Licensure and Certification (OPLC) — Mechanical Safety and Licensing Board, and it reviews out-of-state plumbers for endorsement, but that route starts from a state license. Ask the board, in writing, whether it credits a local Wyoming license, a contractor-level credential or your documented hours; otherwise plan to qualify as a new journeyman applicant. New Hampshire licenses a journeyman plumber by endorsement — without requiring its own plumbing examination — when the applicant holds an active, good-standing journeyman plumber license from one of 33 'qualifying jurisdictions' whose requirements OPLC deems substantially similar (RSA 310:17 / HB 594, rule Plc 313.34); applicants from any other state must qualify through New Hampshire's apprenticeship route and pass the New Hampshire plumbing examination.
What's different between Wyoming and New Hampshire
Computed from both states' verified data rows, in both directions, and from the route every other origin gets into New Hampshire. Exam notes are our summary of each board's published rules, with sources below.
- Route, each way
Wyoming to New Hampshire (this page): No state license to transfer.
New Hampshire to Wyoming (the reverse move): No state license to transfer.
Wyoming issues no statewide journeyman plumber license, so neither direction is a state-license transfer.
- Does coming from Wyoming matter?
Coming from Wyoming matters here: only 9 of 50 origins (the other 49 states and DC) get this result for a move into New Hampshire.
The others get: licensure by endorsement (41).
- Fee and processing
Wyoming issues no statewide journeyman plumber license, so there is no Wyoming state license application fee or processing time to compare with New Hampshire's.
- Exam rules on record
New Hampshire and Wyoming carry different exam notes (our summaries, below); any state law or jurisprudence exam is listed with each state's requirements.
- New Hampshire (this move): New Hampshire licenses a journeyman plumber by endorsement — without requiring its own plumbing examination — when the applicant holds an active, good-standing journeyman plumber license from one of 33 'qualifying jurisdictions' whose requirements OPLC deems substantially similar (RSA 310:17 / HB 594, rule Plc 313.34); applicants from any other state must qualify through New Hampshire's apprenticeship route and pass the New Hampshire plumbing examination
- Wyoming (the reverse move): Not applicable at the state level — Wyoming issues no statewide plumber license, so there is no state exam to waive or transfer. Each municipality sets its own exam and rules; e.g., the City of Cheyenne requires passing an ICC National plumbing exam (or an equivalent trade exam) and offers no reciprocity, so an out-of-state license is not transferable through any state agreement
What changes, Wyoming → New Hampshire
| Wyoming (current) | New Hampshire (destination) | |
|---|---|---|
| Application fee | No statewide fee (no state license). Municipal fees vary — e.g., City of Cheyenne journeyman: $50 application + $50 initial license; master/qualified supervisor same process with a $25 annual renewal | $190–$210 (Journeyman Plumber application fee $190 plus $20 certificate fee; the fingerprint / criminal background check fee is additional and paid separately. (Master Plumber application fee is $310)) |
| Processing time | Set by each municipality; Cheyenne applications are approved at a Contractor Licensing Board meeting, so timing depends on that board's schedule | No board-stated processing time; under Plc 313.07(c) OPLC may issue an 'Active-Provisional' license once the application, fee, and fingerprints are submitted and the applicant qualifies by endorsement, pending background-check results |
| Licensing authority | No statewide plumber licensing authority — regulated by municipalities (e.g., City of Cheyenne Contractor Licensing Board) | New Hampshire Office of Professional Licensure and Certification (OPLC) — Mechanical Safety and Licensing Board |
The destination column is what you must satisfy — New Hampshire sets the rules for this move.
Step by step
- Review New Hampshire's requirements on the New Hampshire Office of Professional Licensure and Certification (OPLC) — Mechanical Safety and Licensing Board website (linked below) — rules change.
- Ask the New Hampshire Office of Professional Licensure and Certification (OPLC) — Mechanical Safety and Licensing Board whether it credits a local Wyoming license or your documented experience: Wyoming issues no statewide journeyman plumber license, so there is no state license to verify.
- Otherwise apply as a new applicant: meet New Hampshire's education/experience requirements and pass the exams it requires.
- Submit the application with fees listed above, and allow for the processing time shown there.
Official links
Related guides
Frequently asked questions
What happens to my Wyoming credential after I'm licensed in New Hampshire?
Nothing changes it. Wyoming issues no statewide journeyman plumber license, so any local or contractor-level Wyoming credential you hold runs on its own authority's renewal rules, independently of your New Hampshire license.
Sources
Primary sources only — official boards and compact commissions. Data last verified 2026-07-21.
- NH OPLC — New Changes for Reciprocity in New Hampshire (Mechanical Licensing Board Plc 313.34: 33 qualifying jurisdictions for Journeyman Plumber; RSA 310:17 / HB 594) ↗ (accessed 2026-07-21)
- NH OPLC — License Fees for the Mechanical Safety and Licensing Board (Journeyman Plumber $190 application + $20 certificate) ↗ (accessed 2026-07-21)
- NH OPLC — Mechanical Safety and Licensing Board (governing board for plumbers; RSA 153:27-153:38) ↗ (accessed 2026-07-21)
- City of Cheyenne — Contractor Licensing Board (municipal plumber licensing; representative program, as Wyoming has no state license) ↗ (accessed 2026-07-21)
- City of Cheyenne — Contractor Licensing Regulations (journeyman/master plumber requirements, ICC exam, and fees) ↗ (accessed 2026-07-21)
Reviewed by the License Reciprocity Editorial Team · verified against primary sources 2026-07-21
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