Tennessee to Massachusetts: master plumber license reciprocity
Tennessee does not issue a statewide master plumber license, so there is nothing to transfer. Here is Massachusetts's standard path for out-of-state applicants.
Your origin state does not issue a statewide license at this level, so there is no license to transfer. The destination's standard out-of-state path is shown; expect to meet it in full.
Reference only, not legal advice. Rules change; confirm with the licensing board before you apply. Full disclaimer.
Master by examination (all states; exam not waived)
Your out-of-state credentials give no advantage. You meet the destination's requirements from scratch.
An out-of-state master plumber cannot have the Massachusetts master examination waived. M.G.L. c. 142, § 4 requires the examiners to examine each person desiring to engage in the business of a master plumber, and no Board page lists a written reciprocal agreement. Local permits and bonding still apply after licensure (M.G.L. c. 142, § 3).
No Reciprocity row: unlike electricians (M.G.L. c. 141, § 2B and 237 CMR 15.00, NH only), Chapter 142 has no 'license without examination' statute.
At a glance
- Trade exam
- Required
- Law / code exam
- Not required
- Out-of-state hours
- Count toward eligibility
What you must already have
- Massachusetts journeyman plumber license number is required on the Master Statement of Experience Form (Board master how-to). An out-of-state master should expect to obtain the Massachusetts journeyman license first.
- Fee, eligibility details, and processing steps are not published in a form we can list here. Please see the sources on this page to find out more.
What you'll do to get licensed in Massachusetts
- 1Application fee. Pay the application fee ($31). Non-refundable Master Plumber application fee collected by the Board of Examiners (Valor Act reductions may apply); filed through ePLACE.
- 2Background check. Complete a background check. Criminal Offender Record Information (CORI) Acknowledgement Form; second page must be notarized.
- 3Other. 2x2 passport-style photo uploaded with the online application.
- 4Trade exam. Pass the destination's trade exam. Massachusetts Master Plumber examination (PSI after Board approval). Statute requires a practical test of plumbing, house drainage, ventilation and gas fitting..
- 5License fee. Pay the license or certificate fee ($78). Fee, eligibility details, and processing steps are not published in a form we can list here. Please see the sources on this page to find out more..
Published fees on this path total $109, excluding exam-vendor fees, bonds, and insurance.
What you'll need to buy or arrange
Exam preparation
Most boards contract PSI, Prov, or ICC for exams. Check which code edition the exam is written to before buying a prep course.
- Trade exam
How Massachusetts licenses master plumbers
Massachusetts master plumber · “Master Plumber”
Statewide license
Massachusetts issues a statewide Master Plumber license through the Board of State Examiners of Plumbers and Gas Fitters. M.G.L. c. 142, § 3 requires a master plumber's license to engage in the business as a master plumber; the master license must be displayed in the place of business, and advertising must show the designation and license number. A licensed master plumber may carry on gas-fitting work throughout the commonwealth, subject to local permits and bonding. Under § 4 the examiners must examine each applicant for a master plumber's license; the statute has no reciprocity or exam-waiver provision.
Why Tennessee has nothing to transfer
Tennessee master plumber · “Master plumber (city or county card); state CMC-A plumbing contractor is a business license”
Licensed by cities and counties
Tennessee does not issue a master plumber license. The state-level plumbing credentials are (1) the Limited Licensed Plumber (LLP), a personal license for work under $25,000 where the Division of Fire Prevention inspects, which the Board does not treat as a master equivalent and for which it has no exam-waiver agreements, and (2) a contractor license with the CMC-A (plumbing) or CMC (full mechanical: plumbing and HVAC) classification, issued to a business that names a qualifying agent and required for plumbing projects of $25,000 or more. CMC-A and CMC candidates need Board pre-approval ($50) before the plumbing or full-mechanical trade exam; every contractor also takes the Tennessee Business and Law exam (Prov from 2026-07-01; scores typically valid two years). Initial contractor application fee $250. The Board's trade-exam-waiver form lets a contractor whose origin board verifies a comparable plumbing or mechanical exam skip the Tennessee trade exam but not Business and Law, and it cannot be used for the LLP: Ohio plumbing maps to CMC-A, South Carolina plumbing to CMC-A, and Louisiana, Mississippi and West Virginia mechanical licenses to CMC. That waiver is contractor-to-contractor only (Ohio's OCILB listing of Tennessee as a plumbing-contractor partner is the same relationship from Ohio's side). Master plumber licenses proper exist only locally; Nashville's MPE Board issues a master plumber certificate. An out-of-state master plumber has no statewide personal recognition: to contract for $25,000 or more they need the CMC-A or CMC contractor license; to pull small-job permits they need the LLP where it is accepted, or the local master card where it is not.
How local licensing works in Tennessee
State contractor route (CMC-A / CMC) — business license, not a personal master. Required statewide to bid or contract plumbing of $25,000 or more (subcontractor plumbing portion counted with materials, equipment and labor). Qualifying agent (owner, officer or full-time employee) takes the Tennessee Business and Law exam and the CMC-A or CMC trade exam after a $50 pre-approval request to [email protected]. Up to two people may take each exam; Business and Law and the trade exam need not be the same person. Application $250 at core.tn.gov. From 2026-07-01 a contractors' surety bond of at least 50% of the requested monetary limit may replace a CPA-reviewed or audited financial statement. General liability and workers' compensation (or exemption) are required on the contractor application. Trade exam waiver (not Reciprocity for a master plumber card): origin board completes the Request for Contractor License Verification in lieu of the Tennessee trade exam score. Plumbing rows: Ohio Plumbing -> CMC-A; South Carolina Plumbing -> CMC-A; Louisiana Mechanical -> CMC; Mississippi Mechanical -> CMC; West Virginia Mechanical -> CMC. Business and Law is never waived. Ineligible if discipline, open complaints or felony convictions. Cannot be used for LLP, LLE or home improvement. NASCLA accredited exams on the Board exam page are commercial building and electrical, not plumbing.
State LLP (personal, limited, not master). $75 initial, Prov LLP exam, under $25,000, Fire Prevention jurisdictions only, no exam waiver. A Tennessee CMC-A/CMC firm may still need Metro registration to pull permits; confirm with Codes (615-862-6500).
Knoxville. State Contractor registration (CMC-A/CMC) or Unlicensed/State Limited License (LLP) registration to pull permits.
- Nashville / Davidson County (Codes and Building Safety)
- Knoxville (Plans Review & Inspections)
- Chattanooga (Land Development Office)
- Memphis / Shelby County (Office of Construction Code Enforcement)
Common questions
- Do I have to take the Massachusetts master plumber exam if I'm licensed in Tennessee?
- Yes. Massachusetts requires the trade exam on this path.
- What does it cost to get a Massachusetts master plumber license from Tennessee?
- Published fees on this path total $109, not counting exam vendor fees or bonds.
- Do my Tennessee work hours count in Massachusetts?
- Yes. Documented out-of-state experience counts toward Massachusetts's eligibility requirements.
- Does it work the other way, from Massachusetts to Tennessee?
- Not necessarily. Reciprocity is directed. Going from Massachusetts to Tennessee, the mechanism is not applicable.
Sources
- 248 CMR - Board of State Examiners of Plumbers and Gas Fitters regulations · 248 CMR · Massachusetts Board of State Examiners of Plumbers and Gas Fitters · Admin Rule · verified September 16, 2026
- Mass.gov - Apply for a Master Plumber license · Massachusetts Board of State Examiners of Plumbers and Gas Fitters / Division of Occupational Licensure · Agency Page · verified September 16, 2026
- Mass.gov - Board of State Examiners of Plumbers and Gas Fitters · Massachusetts Division of Occupational Licensure · Agency Page · verified September 16, 2026
- MGL Chapter 142, Section 3 - Master plumbers or gas fitters, journeymen and apprentices; licensing; advertising; display of license or certificate · M.G.L. c. 142, § 3 · Massachusetts General Court · Statute · verified September 16, 2026
- MGL Chapter 142, Section 4 - Rules of examiners; qualifications of applicants; applications; examinations; issuance of license; probationary license; credit for veterans · M.G.L. c. 142, § 4 · Massachusetts General Court · Statute · verified September 16, 2026
- MGL Chapter 142, Section 5 - Fees for licenses and examinations · M.G.L. c. 142, § 5 · Massachusetts General Court · Statute · verified September 16, 2026
- PSI Exams - Massachusetts Board of State Examiners of Plumbers and Gas Fitters exam catalog · PSI Services LLC (for the Massachusetts Board of State Examiners of Plumbers and Gas Fitters) · Other · verified September 16, 2026
Verified dates are when a person last opened each source and confirmed the facts above. Cite the board, not us.