map Trades license portability

Plumber license reciprocity by state

Plumber licenses are broadly portable across the US — 35 of 51 states accept transfers with either direct recognition or licensure by endorsement. Tier classifications below come from each state's licensing board; click into any row for the source language and current fees.

assignment_turned_in 35 via endorsement edit_note 7 require exam block 7 not recognized remove_circle_outline 1 no license required

Reciprocity tier legend

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Recognized

Existing license or national cert accepted directly.

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Endorsement

Apply for a new license — paperwork, fees, no re-exam.

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Exam required

Must retake the state exam or complete state-specific training.

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Not recognized

No reciprocity pathway. Satisfy state requirements from scratch.

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No license required

State does not license this profession.

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Unclear

State policy ambiguous or silent. Contact licensing board.

All 50 states + DC

Each row links to the full plumber profile for that state — exam costs, application fees, licensing board contact, and the source language behind the tier classification.

State Reciprocity tier Summary Detail
Alabama edit_note Exam required Alabama generally lacks reciprocity; out-of-state licensees may be eligible to take the Alabama examination. Full page arrow_outward
Alaska edit_note Exam required Alaska lacks reciprocity; out-of-state apprentices must pass the Alaska licensing exam. Full page arrow_outward
Arizona assignment_turned_in Endorsement Arizona offers reciprocity with California, Nevada, and Utah, waiving the trade exam. Full page arrow_outward
Arkansas assignment_turned_in Endorsement Arkansas has reciprocity agreements for Journeyman Plumber licenses with Oklahoma and Texas. Full page arrow_outward
California assignment_turned_in Endorsement California offers reciprocity with Arizona, Louisiana, and Nevada, potentially waiving the trade exam. Full page arrow_outward
Colorado assignment_turned_in Endorsement Colorado offers licensure by endorsement for applicants with substantially equivalent out-of-state credentials. Full page arrow_outward
Connecticut block Not recognized Connecticut does not offer reciprocity for plumbing licenses. Full page arrow_outward
Delaware assignment_turned_in Endorsement Delaware offers reciprocity for Master Plumbers from many states, with varying experience requirements. Full page arrow_outward
District of Columbia assignment_turned_in Endorsement District of Columbia has reciprocity with Maryland for Journeyman and Master Plumbers. Full page arrow_outward
Florida assignment_turned_in Endorsement Florida offers endorsement for out-of-state plumbers licensed 10+ years if requirements are equivalent. Full page arrow_outward
Georgia block Not recognized Georgia does not offer reciprocity for plumbing licenses. Full page arrow_outward
Hawaii block Not recognized Hawaii does not offer reciprocity for plumbing licenses. Full page arrow_outward
Idaho assignment_turned_in Endorsement Idaho offers reciprocity with Montana, Oregon, and Washington for plumbing licenses. Full page arrow_outward
Illinois assignment_turned_in Endorsement Illinois lacks formal reciprocity, but Chicago licensees may obtain a state license without examination. Full page arrow_outward
Indiana block Not recognized Indiana does not offer any reciprocity for plumbing licenses. Full page arrow_outward
Iowa assignment_turned_in Endorsement Iowa has reciprocity with South Dakota for plumbing licenses. Full page arrow_outward
Kansas assignment_turned_in Endorsement Kansas offers case-by-case endorsement for out-of-state plumbers, with some local agreements. Full page arrow_outward
Kentucky assignment_turned_in Endorsement Kentucky offers case-by-case reciprocity if other state's standards and exams are equivalent. Full page arrow_outward
Louisiana assignment_turned_in Endorsement Louisiana has reciprocity agreements with Arkansas and Texas for plumbing licenses. Full page arrow_outward
Maine assignment_turned_in Endorsement Maine offers reciprocity if other states' licensing standards and experience are equivalent. Full page arrow_outward
Maryland assignment_turned_in Endorsement Maryland has reciprocity with Delaware, Baltimore County, WSSC, and District of Columbia. Full page arrow_outward
Massachusetts assignment_turned_in Endorsement Massachusetts has reciprocity agreements with Maine, New Hampshire, Vermont, Washington, and Oregon. Full page arrow_outward
Michigan edit_note Exam required Michigan requires out-of-state plumbers to take its exam, offering partial experience credit. Full page arrow_outward
Minnesota assignment_turned_in Endorsement Minnesota has reciprocity agreements with North Dakota and South Dakota for plumbing licenses. Full page arrow_outward
Mississippi edit_note Exam required Mississippi waives trade exams for some states, but requires its Business and Law exam. Full page arrow_outward
Missouri block Not recognized Missouri does not offer statewide plumbing license reciprocity with other states. Full page arrow_outward
Montana assignment_turned_in Endorsement Montana has reciprocity with Oregon, Idaho, North Dakota, and South Dakota for journeyman plumbers. Full page arrow_outward
Nebraska block Not recognized Nebraska does not offer statewide plumbing license reciprocity with other states. Full page arrow_outward
Nevada assignment_turned_in Endorsement Nevada recognizes journeyman plumber licenses from many states and waives contractor exams for some. Full page arrow_outward
New Hampshire assignment_turned_in Endorsement New Hampshire recognizes journeyman and master plumber licenses from many states, often automatically. Full page arrow_outward
New Jersey assignment_turned_in Endorsement New Jersey may grant licenses through reciprocity if other states' standards are comparable. Full page arrow_outward
New Mexico assignment_turned_in Endorsement New Mexico has reciprocity with several states for journeyman plumbing licenses. Full page arrow_outward
New York block Not recognized New York does not have statewide plumbing license reciprocity; local agreements may exist. Full page arrow_outward
North Carolina edit_note Exam required North Carolina waives trade exams for some states, but requires its business law exam. Full page arrow_outward
North Dakota assignment_turned_in Endorsement North Dakota has reciprocity with South Dakota, Minnesota, and Montana for plumbing licenses. Full page arrow_outward
Ohio assignment_turned_in Endorsement Ohio has reciprocity agreements with Arkansas, Mississippi, South Carolina, Tennessee, and West Virginia. Full page arrow_outward
Oklahoma assignment_turned_in Endorsement Oklahoma has a reciprocity agreement with Arkansas for plumbing licenses. Full page arrow_outward
Oregon assignment_turned_in Endorsement Oregon has reciprocity agreements with Idaho and Montana for plumbing licenses. Full page arrow_outward
Pennsylvania help_outline Unclear Plumbing license reciprocity in Pennsylvania varies by local jurisdiction, making it unclear statewide. Full page arrow_outward
Rhode Island assignment_turned_in Endorsement Rhode Island allows licensure by endorsement if out-of-state training and requirements are equivalent. Full page arrow_outward
South Carolina assignment_turned_in Endorsement South Carolina has reciprocity agreements with North Carolina, Ohio, Tennessee, and Mississippi. Full page arrow_outward
South Dakota assignment_turned_in Endorsement South Dakota has reciprocity with Minnesota, North Dakota, Montana, Colorado, and Iowa. Full page arrow_outward
Tennessee edit_note Exam required Tennessee waives trade exams for some states, but requires its Business and Law exam. Full page arrow_outward
Texas assignment_turned_in Endorsement Texas has reciprocity with Louisiana and Arkansas for journeyman plumbing licenses. Full page arrow_outward
Utah assignment_turned_in Endorsement Utah offers licensure by endorsement for various plumber levels from many approved states. Full page arrow_outward
Vermont assignment_turned_in Endorsement Vermont may exempt out-of-state plumbers from exams if requirements are similar. Full page arrow_outward
Virginia assignment_turned_in Endorsement Virginia offers Universal License Recognition and examination agreements for qualified out-of-state plumbers. Full page arrow_outward
Washington assignment_turned_in Endorsement Washington has reciprocity with Idaho for journeyman plumbers; others must pass the state exam. Full page arrow_outward
West Virginia assignment_turned_in Endorsement West Virginia may waive exams for journeyman/master plumbers and has contractor reciprocity. Full page arrow_outward
Wisconsin edit_note Exam required Wisconsin requires out-of-state plumbers to pass its state plumbing exam. Full page arrow_outward
Wyoming remove_circle_outline No license Wyoming does not issue a state plumbing license; local requirements vary. Full page arrow_outward