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Plumbing license requirements in every state

Plumbers are licensed by each state, not nationally, so the training hours, exam, fees and renewal rules depend on where you work. This page compares every state we cover, using each board's own published rules.

Last checked · 167 official sources

On this page
  1. What the state rules have in common, and where they differ
  2. Plumber license requirements by state
  3. Sources

What the state rules have in common, and where they differ

  • We cover plumbers in 47 states and DC. 44 of them issue a state license; 4 issue neither a state license nor a state registration (Kansas, Missouri, New York and Pennsylvania), and the page for each explains the city and county rules instead.
  • 14 states set the experience for the main license in years: from 2 in Alabama to 5 in Ohio.
  • 21 states and DC set the experience for the main license in hours of on-the-job training: from 3,000 in North Carolina to 12,000 in Vermont.
  • 9 states set the training or education for the main license in clock hours: from 16 in Washington to 1,020 in South Dakota.
  • The application or initial license fee the boards list for the main license ranges from $10 (Wisconsin) to $450 (California). That is one fee line, not the full cost: exam, fingerprint and license fees are often charged separately, and each state page lists them all.
  • Renewal: 18 states renew every 2 years, 14 states renew every year, 7 states renew every 3 years and 1 state renews every 4 years.
  • 21 boards publish a reciprocity route for the main license, and 12 apply a universal license recognition law to it. Compare transfer routes state by state.

Each state names its credentials differently, and many issue several levels (apprentice, journeyman, master, contractor). The table compares the license each state page leads with; the state page covers every level.

Plumber license requirements by state

StateMain licenseTraining or experienceExamApplication feeRenewalFrom another state
AlabamaJourneyman Plumber +4 moreExperience 2 years1Yes2$503Every year4Exam waiver, reciprocity agreements, temporary license or permit and military service members and spouses512
AlaskaPlumber Journeyman +5 moreExperience 8,000 hours6Yes6$507Every 2 years7Reciprocity agreements, temporary license or permit and exam waiver68
ArizonaC-37 Plumbing +3 more
No state license for journeyman plumbers9		Experience 4 years10Yes11$10012Every 2 years12Exam waiver, universal license recognition and military service members and spouses131415
ArkansasJourneyman Plumber +4 moreExperience 4 years16Yes17$7516Every year16Reciprocity agreements, universal license recognition and military service members and spouses16
CaliforniaC-36 - Plumbing Contractor
No state license for journeyman plumbers18		Experience 4 years19Yes20$45021Every 2 years21Reciprocity agreements22
ColoradoJourneyworker Plumber +4 moreExperience 6,800 hours23Yes24––License by endorsement and military service members and spouses2425
ConnecticutP-2 Unlimited Journeyperson Plumber +12 moreTraining 576 clock hours26
Experience 8,000 hours26		Yes27$9027Every year27License by endorsement28
DelawareMaster Plumber +1 moreExperience 2 years29Yes30$17331Every 2 years32Reciprocity agreements, license by endorsement and military service members and spouses2933
District of ColumbiaJourneyman Plumber / Journeyman Gasfitter +3 moreExperience 8,000 hours34Yes35$6536Every 2 years36License by endorsement37
FloridaCertified Plumbing Contractor +1 more
No state license for journeyman plumbers38		Experience 4 years39Yes40$33541Every 2 years42License by endorsement and military service members and spouses4344
GeorgiaJourneyman Plumber +2 more–Yes45$3046Every 2 years47No reciprocity route48
HawaiiJourney Worker Plumber +1 moreExperience 10,000 hours49Yes50$4049Every 3 years51No reciprocity route49
IdahoPlumbing Journeyman (certificate of competency) +5 moreTraining 576 clock hours52
Experience 8,000 hours52		Yes52$22.5053Every 3 years54Universal license recognition55
IllinoisPlumber's License (Illinois licensed plumber) +3 moreTraining 2,800 credit hours56
Experience 5,600 hours56		Yes56$15056Every year57Reciprocity agreements and exam waiver57
IndianaJourneyman Plumber +4 moreTraining 4 years58
Experience 4 years58		Yes58$3058Expires December 31 of every odd-numbered year58License by endorsement and reciprocity agreements58
IowaJourneyperson +5 moreTraining 4 years59Yes60$18061Every 3 years59Reciprocity agreements, universal license recognition and license by endorsement626364
KansasNo state license65–––––
KentuckyJourneyman Plumber +1 moreExperience 2 years66Yes67$6068Every year69Reciprocity agreements and exam waiver6770
LouisianaJourneyman Plumber +6 moreExperience 8,000 hours71Yes72$4071Every year73Reciprocity agreements, temporary license or permit and universal license recognition747576
MaineJourneyman Plumber +3 moreExperience 4,000 hours77Yes78$20079Every 2 years77Reciprocity agreements80
MarylandJourney Plumber/Gas Fitter +5 moreTraining 32 clock hours81
Experience 7,500 hours81		Yes82$43.5083Every 2 years84Reciprocity agreements85
MassachusettsJourneyman Plumber +6 moreExperience 6,800 hours86Yes86$3187Every 2 years88License by endorsement86
MichiganJourney plumber +3 moreExperience 6,000 hours89Yes89$4090–Temporary license or permit and military service members and spouses89
MinnesotaJourneyworker plumber +6 moreExperience 7,000 hours91Yes92$5093Every 2 years92Reciprocity agreements and license by endorsement9495
MississippiCertificate of Responsibility — Plumbing (specialty classification under Mechanical) +1 more–Yes96$40096Every year97Exam waiver, universal license recognition and military service members and spouses9896
MissouriNo state license99–––––
MontanaNot covered yet–––––
NebraskaNot covered yet–––––
NevadaClassification C-1: Plumbing and Heating Contracting +3 moreExperience 4 years100Yes100$300100Every 2 years101License by endorsement and military service members and spouses102103
New HampshireJourneyman Plumber +3 moreTraining 600 clock hours104
Experience 8,000 hours104		Yes105$198106Every 2 years107Universal license recognition and exam waiver108104
New JerseyJourneyman Plumber (registration) +3 moreTraining 4 years109–$75109––
New MexicoJP Journeyman plumber +3 moreExperience 2 years110Yes111–Every 3 years111–
New YorkNo state license112–––––
North CarolinaPrivate Educational Institution Plumbing Technician +7 moreExperience 3,000 hours113Yes113$75113Every year114No reciprocity route115
North DakotaJourneyman Plumber +2 moreExperience 7,600 hours116Yes117$50118Every year119Reciprocity agreements, license by endorsement and military service members and spouses116118
OhioPlumbing contractor (Ohio Construction Industry Licensing Board state license)Experience 5 years120Yes121$25122Every year120Reciprocity agreements and universal license recognition121120
OklahomaJourneyman Plumber (unlimited) +5 moreExperience 3 years123Yes124$25125Every year123Reciprocity agreements and exam waiver126125
OregonJourneyman Plumber (JP) +5 moreTraining 576 clock hours127
Experience 7,700 hours128		Yes127$100129Every 3 years130Reciprocity agreements128
PennsylvaniaNo state license131–––––
Rhode IslandJourneyperson Plumber +3 moreExperience 8,000 hours132Yes132–Every 2 years132License by endorsement132
South CarolinaMechanical Contractor - Plumbing subclassification (license issued to an entity by the South Carolina Contractor's Licensing Board, license groups 1-5) +1 moreExperience 2 years133Yes134$350135Every 2 years133Exam waiver and military service members and spouses133136
South DakotaPlumber +5 moreTraining 1,020 clock hours137
Experience 4 years137		Yes138$50137Every year138License by endorsement and exam waiver138137
TennesseeLimited Licensed Plumber (LLP) +1 more–Yes139$75139Every 2 years140Military service members and spouses141
TexasJourneyman Plumber License +11 moreTraining 48 classroom hours142
Experience 8,000 hours142		Yes142$40143Every year144Reciprocity, other route and military service members and spouses145144143
UtahJourneyman Plumber +6 moreTraining 576 classroom hours146
Experience 8,000 hours146		Yes146$110147Every 2 years148Universal license recognition146
VermontJourneyman Plumber +2 moreExperience 12,000 hours149Yes150$90149Every 2 years150Reciprocity agreements, universal license recognition and exam waiver150
VirginiaJourneyman Plumbing (PLB) +4 moreTraining 240 clock hours151Yes152$171.75153Every 3 years154Reciprocity agreements, universal license recognition, exam waiver and military service members and spouses155156157158
WashingtonJourney level plumber (PL01) +9 moreTraining 16 clock hours159
Experience 8,000 hours159		Yes159$202.10160Every 3 years159Reciprocity agreements, temporary license or permit and exam waiver161160
West VirginiaJourneyman Plumber +2 more–Yes162$75163Every year163License by endorsement and universal license recognition163164
WisconsinJourneyman Plumber +10 moreTraining 576 clock hours165Yes166$10166Every 4 years167License by endorsement and exam waiver165
WyomingNot covered yet–––––

Training and experience are shown in the unit each state uses (clock hours, hours of on-the-job training, years); they are not converted. "Application fee" is the single application or initial license fee line, not a total.

Sources

Every number and rule above links to one of these official pages. Select a footnote number to read the board's own words.

  1. Ala. Admin. Code ch. 720-X (board compilation Jan 2026)Alabama Plumbers and Gas Fitters Examining BoardChecked November 7, 2026
  2. Code of Alabama § 34-37-6Alabama LegislatureChecked November 7, 2026
  3. Initial Application for Certificate - JourneymanAlabama Plumbers and Gas Fitters Examining BoardChecked November 7, 2026
  4. Code of Alabama § 34-37-9Alabama LegislatureChecked November 7, 2026
  5. Out of State ApplicantsAlabama Plumbers and Gas Fitters Examining BoardChecked November 7, 2026
  6. Licenses and RequirementsAlaska Department of Labor and Workforce Development, Mechanical Inspection SectionDated November 2, 2026Checked November 7, 2026
  7. AS 18.62 Certificate of fitnessAlaska State Legislature (Alaska Statutes)Checked November 7, 2026
  8. 8 AAC 90 Certificates of fitnessAlaska State Legislature (Alaska Administrative Code)Checked November 7, 2026
  9. A.R.S. 32-1121 Persons not required to be licensedArizona State LegislatureChecked November 7, 2026
  10. A.R.S. 32-1122 Qualifications for licenseArizona State LegislatureChecked November 7, 2026
  11. Sole Prop License Application Forms RC-L-200AArizona Registrar of ContractorsChecked November 7, 2026
  12. Licensing FeesArizona Registrar of ContractorsDated July 1, 2014Checked November 7, 2026
  13. Out-of-State Waiver Request Form RC-L-200GArizona Registrar of ContractorsChecked November 7, 2026
  14. A.R.S. 32-4302 Out-of-state licenses; universal recognitionArizona State LegislatureChecked November 7, 2026
  15. Service Members and VeteransArizona Registrar of ContractorsChecked November 7, 2026
  16. Rules Pertaining to Master, Journeyman, and Restricted Plumber Licenses (Plumbing Licensing Rules)Arkansas Department of HealthDated September 5, 2024Checked November 7, 2026
  17. Plumbing Law 2022 (Ark. Code Title 17 Ch. 38 as published by ADH)Arkansas Department of HealthChecked November 7, 2026
  18. Cal. Labor Code sec. 108.2California Legislative CounselDated June 27, 2012Checked November 7, 2026
  19. Experience for examContractors State License BoardChecked November 7, 2026
  20. Studying for the ExaminationContractors State License BoardChecked November 7, 2026
  21. CaliforniaContractors State License BoardChecked November 7, 2026
  22. Reciprocity RequirementsContractors State License BoardChecked November 7, 2026
  23. 3 CCR 720-1 Plumbing Rules and Regulations (current version eff. 08/14/2026)Colorado Secretary of StateDated August 14, 2026Checked November 7, 2026
  24. Colorado Revised Statutes 2024Colorado General Assembly, Office of Legislative Legal ServicesChecked November 7, 2026
  25. DPO license types datasetColorado Information Marketplace (data.colorado.gov), DORA Division of Professions and Occupations license types datasetChecked November 7, 2026
  26. Plumbing Journeyperson - Equivalent Experience and TrainingConnecticut Department of Consumer ProtectionChecked November 7, 2026
  27. Plumbing and Pipefitting WorkConnecticut Department of Consumer ProtectionChecked November 7, 2026
  28. Plumbing Journeyperson - Equivalent Out of State LicenseConnecticut Department of Consumer ProtectionChecked November 7, 2026
  29. New License (Plumber)Delaware Division of Professional RegulationChecked November 7, 2026
  30. 24 Del. C. ch. 18 subch. II License - PlumbingDelaware General Assembly (Delaware Code Online)Checked November 7, 2026
  31. FeesDelaware Division of Professional RegulationChecked November 7, 2026
  32. RenewalDelaware Division of Professional RegulationChecked November 7, 2026
  33. Professional License Services for Military PersonnelDelaware Division of Professional RegulationChecked November 7, 2026
  34. D.C. Code § 47-2853.122 Eligibility requirements (plumbers/gasfitters)Council of the District of ColumbiaChecked November 7, 2026
  35. Plumbing-Gasfitting License Instructions (PDF)District of Columbia Department of Licensing and Consumer ProtectionChecked November 7, 2026
  36. Board of Industrial TradesDistrict of Columbia Department of Licensing and Consumer ProtectionChecked November 7, 2026
  37. § 47–2853.12. License, certification, and registration criteria; waiver. | D.C. Law LibraryCouncil of the District of Columbia (D.C. Law Library)Checked November 7, 2026
  38. Journeyman, Electrician, or Plumber Certificate of CompetencyHillsborough County, Florida (Development Services, Contractor Licensing)Dated August 6, 2026Checked November 7, 2026
  39. Fla. Stat. § 489.111Florida Legislature (Online Sunshine)Checked November 7, 2026
  40. Certified Plumbing Contractor as an Individual - Active (CILB 5-M)Florida Department of Business and Professional RegulationChecked November 7, 2026
  41. Rule 61G4-12.009, F.A.C.Florida Department of State (Florida Administrative Code, flrules.org)Dated October 30, 2017Checked November 7, 2026
  42. Fla. Stat. § 489.115Florida Legislature (Online Sunshine)Checked November 7, 2026
  43. Endorsement as Individual or Qualify a Business - Certified Plumbing Contractor (CILB 10)Florida Department of Business and Professional RegulationChecked November 7, 2026
  44. Professional Licensure for Military Personnel/Veterans/Military Spouses (MVL 003) - Certified PlumbingFlorida Department of Business and Professional RegulationChecked November 7, 2026
  45. Ga. Comp. R. & Regs. ch. 121-3 Application for Licensure (Electrical Contractors)Georgia Secretary of State (State Construction Industry Licensing Board rules)Checked November 7, 2026
  46. 44 Electrical - Fee Schedule (Georgia State Construction Industry Licensing Board)Georgia Secretary of State, State Construction Industry Licensing Board, Division of Electrical ContractorsChecked November 7, 2026
  47. Senate Bill 125 (2025), AS PASSED - revises O.C.G.A. Title 43 Chapter 14 (electrical contractors,…Office of the Governor of Georgia (2025 Signed Legislation)Checked November 7, 2026
  48. Division of Master and Journeyman Plumbers FAQGeorgia Secretary of State, State Construction Industry Licensing Board - Division of Master Plumbers and Journeyman PlumbersChecked November 7, 2026
  49. Electrician and Plumber License Requirements and Application (PVL form 2026-06)Department of Commerce and Consumer Affairs, Professional and Vocational Licensing Division (Board of Electricians and Plumbers)Checked November 7, 2026
  50. HAR Title 16 Chapter 80 Electricians and PlumbersDepartment of Commerce and Consumer AffairsDated October 22, 2007Checked November 7, 2026
  51. Board of Electricians and Plumbers home pageDepartment of Commerce and Consumer Affairs, Professional and Vocational Licensing Division (Board of Electricians and Plumbers)Checked November 7, 2026
  52. IDAPA 24.39.20 Rules Governing PlumbingIdaho Office of the Administrative Rules CoordinatorChecked November 7, 2026
  53. Idaho Code 54-2614Idaho LegislatureChecked November 7, 2026
  54. Idaho Code 54-2617Idaho LegislatureChecked November 7, 2026
  55. legislature.idaho.govIdaho LegislatureChecked November 7, 2026
  56. 68 Ill. Adm. Code 750 Illinois Plumbing Licensing Code (entire Part)Illinois General Assembly, Joint Committee on Administrative RulesChecked November 7, 2026
  57. 225 ILCS 320 Illinois Plumbing License Law (full act)Illinois General AssemblyChecked November 7, 2026
  58. Plumbing Licensing InformationIndiana Professional Licensing AgencyChecked November 7, 2026
  59. Iowa Code chapter 105 Plumbers, Mechanical Professionals, and ContractorsIowa LegislatureChecked November 7, 2026
  60. 481 IAC ch. 429 Plumbing and Mechanical Systems Board—Application, Licensure, and ExaminationIowa Legislature (Iowa Administrative Code)Dated September 30, 2026Checked November 7, 2026
  61. 481 IAC ch. 428 Plumbing and Mechanical Systems Board—Licensure FeesIowa Legislature (Iowa Administrative Code)Dated September 30, 2026Checked November 7, 2026
  62. Master Level LicenseIowa Department of Inspections, Appeals, and LicensingChecked November 7, 2026
  63. 481 IAC ch. 430 Plumbing and Mechanical Systems Board—Alternative Licensure PathwaysIowa Legislature (Iowa Administrative Code)Dated September 30, 2026Checked November 7, 2026
  64. Journey Level LicenseIowa Department of Inspections, Appeals, and LicensingChecked November 7, 2026
  65. Business Starter Kit: ConstructionKansas Business CenterChecked November 7, 2026
  66. 815 KAR 20:030 Plumbing licensesKentucky Legislative Research CommissionDated December 5, 2023Checked November 7, 2026
  67. KRS 318.040 QualificationsKentucky Legislative Research CommissionDated June 29, 2017Checked November 7, 2026
  68. PLB-2 Journeyman Plumber License ApplicationKentucky Department of Housing, Buildings and ConstructionDated April 1, 2023Checked November 7, 2026
  69. KRS 318.054 License expiration, renewal, CEKentucky Legislative Research CommissionDated July 14, 2018Checked November 7, 2026
  70. Frequently Asked Questions (Plumbing)Kentucky Department of Housing, Buildings and ConstructionChecked November 7, 2026
  71. LAC Title 46 Part LV Plumbers (board copy November 2024)State Plumbing Board of LouisianaChecked November 7, 2026
  72. R.S. 37:1368Louisiana State LegislatureChecked November 7, 2026
  73. R.S. 37:1370Louisiana State LegislatureChecked November 7, 2026
  74. TEXAS Reciprocal Journeyman Plumber and Natural Gas ApplicationState Plumbing Board of LouisianaChecked November 7, 2026
  75. R.S. 37:1369Louisiana State LegislatureChecked November 7, 2026
  76. Welcome Home ActState Plumbing Board of LouisianaChecked November 7, 2026
  77. Plumbers' Examining Board - Individual LicensesMaine Office of Professional and Occupational Regulation, Plumbers' Examining BoardChecked November 7, 2026
  78. 32 M.R.S. §3501Maine State LegislatureChecked November 7, 2026
  79. 02-041 CMR ch. 10 Establishment of License FeesOffice of Professional and Occupational Regulation (Secretary of State rules)Dated October 27, 2025Checked November 7, 2026
  80. 32 M.R.S. §3504-AMaine State LegislatureChecked November 7, 2026
  81. Md. Code, Bus. Occ. & Prof. § 12-302Maryland General AssemblyChecked November 7, 2026
  82. Plumbing board page plexamMaryland Department of Labor, State Board of PlumbingChecked November 7, 2026
  83. COMAR 09.20.05.03Maryland Division of State Documents (COMAR)Checked November 7, 2026
  84. Plumbing board page plrenewMaryland Department of Labor, State Board of PlumbingChecked November 7, 2026
  85. Plumbing board page plrecipMaryland Department of Labor, State Board of PlumbingChecked November 7, 2026
  86. 248 CMR 11.00 Education and experience standards and requirements for licensure (Mass. Register #1559,…Massachusetts Trial Court Law Libraries (Board of State Examiners of Plumbers and Gas Fitters regulation)Dated October 24, 2025Checked November 7, 2026
  87. apply-for-a-journeyman-plumber-licenseMassachusetts Division of Occupational Licensure, Board of State Examiners of Plumbers and Gas FittersChecked November 7, 2026
  88. 248 CMR 3.00 General provisions governing the conduct of plumbing and gas fitting workMassachusetts Division of Occupational Licensure, Board of State Examiners of Plumbers and Gas FittersChecked November 7, 2026
  89. Skilled Trades Regulation Act, 2016 PA 407 (MCL 339.5101-339.6133), full act PDFMichigan Legislature (Legislative Council)Dated May 16, 2025Checked November 7, 2026
  90. Mich. Admin. Code R 339.5101-339.5412 Skilled Trades Regulation RulesMichigan Department of Licensing and Regulatory Affairs, Bureau of Construction Codes (Michigan Administrative Code via ARS)Dated May 3, 2023Checked November 7, 2026
  91. Registered unlicensed plumbersMinnesota Department of Labor and IndustryChecked November 7, 2026
  92. Minn. Stat. 326B.49 Applications, feesMinnesota Office of the Revisor of StatutesChecked November 7, 2026
  93. Minn. Stat. 326B.092 FeesMinnesota Office of the Revisor of StatutesChecked November 7, 2026
  94. Plumbing reciprocityMinnesota Department of Labor and IndustryChecked November 7, 2026
  95. Plumbing license basicsMinnesota Department of Labor and IndustryChecked November 7, 2026
  96. MSBOC Commercial ApplicationMississippi State Board of ContractorsChecked November 7, 2026
  97. MSBOC Commercial License Renewal FormMississippi State Board of ContractorsChecked November 7, 2026
  98. MSBOC Reciprocity Instructions and Form (updated 07-2025)Mississippi State Board of ContractorsDated July 1, 2025Checked November 7, 2026
  99. RSMo 341.010 Plumbers must have certificatesMissouri Revisor of StatutesChecked November 7, 2026
  100. New License ApplicationNevada State Contractors BoardChecked November 7, 2026
  101. FAQ for General RequirementsNevada State Contractors BoardDated September 14, 2026Checked November 7, 2026
  102. Licensure by EndorsementNevada State Contractors BoardDated February 11, 2025Checked November 7, 2026
  103. Veterans Assistance ProgramNevada State Contractors BoardDated July 9, 2025Checked November 7, 2026
  104. CHAPTER Mec 300 LICENSING REQUIREMENTS (Mechanical Licensing Board rules)New Hampshire General Court (Administrative Rules, Mechanical Licensing Board)Checked November 7, 2026
  105. Mechanical Safety and Licensing Education & Certification RequirementsNew Hampshire Office of Professional Licensure and CertificationChecked November 7, 2026
  106. N.H. Admin. Rules Plc 1000 (OPLC license fees)New Hampshire General Court (Office of Legislative Services, Administrative Rules)Dated July 1, 2025Checked November 7, 2026
  107. CHAPTER Mec 400 CONTINUED STATUS (Mechanical Licensing Board rules)New Hampshire General Court (Administrative Rules, Mechanical Licensing Board)Checked November 7, 2026
  108. New Changes to Reciprocity in New HampshireNew Hampshire Office of Professional Licensure and CertificationChecked November 7, 2026
  109. N.J.A.C. 13:32 State Board of Examiners of Master Plumbers (board-posted rule text)New Jersey Division of Consumer Affairs, State Board of Examiners of Master PlumbersDated April 5, 2021Checked November 7, 2026
  110. 14.6.6 NMAC Construction Industries Licensing - ClassificationsNew Mexico State Records Center and Archives (NMAC)Checked November 7, 2026
  111. NMSA 1978 Chapter 60 Business Licenses (unannotated), incl. Art. 13 Construction Industries Licensing ActNew Mexico Compilation Commission (NMOneSource.com), linked from NMRLD CID Laws and RulesChecked November 7, 2026
  112. General City Law § 45New York State Senate (Open Legislation, official consolidated laws)Checked November 7, 2026
  113. 21 NCAC 50 (full chapter)NC Office of Administrative Hearings (NC Administrative Code)Checked November 7, 2026
  114. License RenewalState Board of Examiners of Plumbing, Heating and Fire Sprinkler ContractorsChecked November 7, 2026
  115. Applicant InformationState Board of Examiners of Plumbing, Heating and Fire Sprinkler ContractorsChecked November 7, 2026
  116. Frequently Asked QuestionsNorth Dakota State Plumbing BoardChecked November 7, 2026
  117. N.D. Admin. Code ch. 62-02-01 Plumber LicensureNorth Dakota Legislative BranchChecked November 7, 2026
  118. Master/Journeyman Plumber ApplicationNorth Dakota State Plumbing BoardChecked November 7, 2026
  119. N.D. Cent. Code ch. 43-18 PlumbersNorth Dakota Legislative BranchChecked November 7, 2026
  120. Ohio Revised Code section 4740.06Ohio Legislative Service Commission (codes.ohio.gov)Dated December 29, 2023Checked November 7, 2026
  121. OCILB Contractors & Contracting CompaniesOhio Department of Commerce, Division of Industrial Compliance, Ohio Construction Industry Licensing BoardChecked November 7, 2026
  122. OCILB Reciprocity Application - ArkansasOhio Department of Commerce, Division of Industrial Compliance (OCILB)Checked November 7, 2026
  123. Enrolled HB 3462 (2026)Oklahoma LegislatureDated November 1, 2026Checked November 7, 2026
  124. Plumbing applicationConstruction Industries BoardChecked November 7, 2026
  125. OAC 158:30 Plumbing Industry RegulationsConstruction Industries BoardDated October 1, 2024Checked November 7, 2026
  126. Arkansas Plumbing Reciprocity AgreementConstruction Industries BoardDated December 2, 2024Checked November 7, 2026
  127. Individual license typesOregon Building Codes DivisionChecked November 7, 2026
  128. OAR 918-695 Plumbing Licensing and CertificationOregon Secretary of State (Oregon Administrative Rules Database)Checked November 7, 2026
  129. Journeyman Plumber License Application (form 2571)Oregon Building Codes DivisionChecked November 7, 2026
  130. OAR 918-030 General Licensing RequirementsOregon Secretary of State (Oregon Administrative Rules Database)Checked November 7, 2026
  131. Contractor Licensing (state and local requirements pertaining to certain contractors)Pennsylvania Department of Labor & IndustryChecked November 7, 2026
  132. Licensing of Plumbers, Irrigators and Water System Installers (260-RICR-30-15-9)Rhode Island Department of State (RI Code of Regulations)Dated January 4, 2022Checked November 7, 2026
  133. S.C. Code Title 40 Chapter 11 - ContractorsSouth Carolina LegislatureChecked November 7, 2026
  134. S.C. Code of Regulations Chapter 29 - Contractor's Licensing BoardSouth Carolina LegislatureChecked November 7, 2026
  135. S.C. Code of Regulations Chapter 10 - LLR feesSouth Carolina LegislatureChecked November 7, 2026
  136. S.C. Code Title 40 Chapter 1 - Professions and OccupationsSouth Carolina LegislatureChecked November 7, 2026
  137. ARSD art. 20:53 - Plumbing Commission (licensing, fees, CE)South Dakota LegislatureDated November 3, 2026Checked November 7, 2026
  138. SDCL ch. 36-25 - PlumbersSouth Dakota LegislatureChecked November 7, 2026
  139. Limited Licensed Plumber (LLP)Tennessee Board for Licensing ContractorsChecked November 7, 2026
  140. Rules of Tennessee Board for Licensing Contractors, Chapter 0680-4 Limited Licensed PlumbersTennessee Secretary of State, Division of PublicationsDated November 14, 2005Checked November 7, 2026
  141. Tenn. Comp. R. & Regs. ch. 0680-01 LicensingTennessee Secretary of State, Official Compilation of Rules and Regulations (Board for Licensing Contractors)Dated November 18, 2025Checked November 7, 2026
  142. Journeyman Plumber – Texas State Board of Plumbing ExaminersTexas State Board of Plumbing ExaminersChecked November 7, 2026
  143. Administrative Rules March 2026 (22 TAC Part 17, ch. 361-367)Texas State Board of Plumbing ExaminersDated March 13, 2026Checked November 7, 2026
  144. Texas Occupations Code Chapter 1301. PlumbersTexas LegislatureChecked November 7, 2026
  145. Reciprocal License Verification FormTexas State Board of Plumbing ExaminersChecked November 7, 2026
  146. Utah Admin. Code R156-55c Plumber Licensing Act RuleUtah Office of Administrative RulesDated January 15, 2026Checked November 7, 2026
  147. H.B. 8 (2026 General Session, Enrolled) State Agency Fees and Internal Service Fund Authorization and…Utah State LegislatureDated July 1, 2026Checked November 7, 2026
  148. Utah Code 58-55-303 Term of license (superseded 1/1/2027)Utah State Legislature (Utah Code)Dated May 3, 2023Checked November 7, 2026
  149. Plumbing License Applications - All ClassesVermont Department of Public Safety, Division of Fire SafetyChecked November 7, 2026
  150. 26 V.S.A. chapter 39 (Plumbers and Plumbing), full chapterVermont General AssemblyChecked November 7, 2026
  151. 18VAC50-30-39Virginia General Assembly, Legislative Information System (Virginia Administrative Code)Dated April 1, 2025Checked November 7, 2026
  152. Code of Virginia § 54.1-1130Virginia General Assembly, Legislative Information System (Code of Virginia)Checked November 7, 2026
  153. Tradesman Exam and License Application A501-2710EXLICVirginia Department of Professional and Occupational Regulation, Board for ContractorsDated July 1, 2026Checked November 7, 2026
  154. 18VAC50-30-120Virginia General Assembly, Legislative Information System (Virginia Administrative Code)Dated August 1, 2025Checked November 7, 2026
  155. Tradesmen reciprocal agreementsVirginia Department of Professional and Occupational Regulation, Board for ContractorsChecked November 7, 2026
  156. Tradesman Universal License Recognition Application A501-2710ULRVirginia Department of Professional and Occupational Regulation, Board for ContractorsDated July 1, 2026Checked November 7, 2026
  157. 18VAC50-30-70Virginia General Assembly, Legislative Information System (Virginia Administrative Code)Checked November 7, 2026
  158. Military and Veterans ServicesVirginia Department of Professional and Occupational RegulationChecked November 7, 2026
  159. Chapter 296-400A WAC Plumber Certification RulesWashington State LegislatureDated July 1, 2026Checked November 7, 2026
  160. Plumber ExaminationWashington State Department of Labor & Industries (L&I), Plumber Certification ProgramChecked November 7, 2026
  161. Plumber Certification (Becoming a Plumber)Washington State Department of Labor & Industries (L&I), Plumber Certification ProgramChecked November 7, 2026
  162. Plumber Certification FAQWest Virginia Division of LaborChecked November 7, 2026
  163. Plumber legislative rule (42CSR34) as posted by DOLWest Virginia Division of LaborDated May 1, 2023Checked November 7, 2026
  164. W. Va. Code §21-17-4West Virginia LegislatureChecked November 7, 2026
  165. DSPS journeyman-plumber other application methodsWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  166. Wis. Admin. Code ch. SPS 305 Licenses, Certifications and RegistrationsWisconsin Legislative Reference BureauDated August 1, 2025Checked November 7, 2026
  167. Credential Fees and Renewal DatesWisconsin Department of Safety and Professional ServicesChecked November 7, 2026