Journeyman Plumber License Requirements By State (2026)
Every state sets its own rules for who can legally work as a plumber, and journeyman plumber license requirements vary more than most people expect. Some states demand thousands of hours of supervised experience before you can even sit for the exam, while others have no statewide license at all and leave it up to local jurisdictions. Knowing exactly what your state requires saves you time, money, and frustration.
A journeyman license is the middle tier of plumbing credentials, above an apprentice, below a master plumber. It’s the point where you can work independently on most jobs without direct supervision, and it’s the credential that opens the door to higher pay, better positions, and long-term career stability. For employers, it’s often the minimum qualification they look for when hiring experienced plumbers.
At plumbingjobs, we connect plumbing professionals with employers across all 50 states. We see firsthand how licensing status affects who gets hired and at what rate. That’s why we put together this state-by-state breakdown of journeyman plumber license requirements for 2026, covering education prerequisites, experience hours, exam details, fees, and application steps. Whether you’re an apprentice planning your next career move or a licensed plumber relocating to a new state, this guide gives you the specifics you need to get licensed and start working.
1. PlumbingJobs.com: find qualifying work fast
Before you can meet journeyman plumber license requirements in most states, you need verified field hours under a licensed plumber. Getting those hours depends on finding the right employer, one who will document your time accurately and sign off on your experience when licensing time comes. PlumbingJobs.com connects plumbing professionals with employers across all 50 states so you can find the work that actually moves your credentials forward.
Find apprenticeship and helper roles that build hours
Most states require 4,000 to 8,000 hours of supervised field experience before you can sit for a journeyman exam. That time adds up faster when you work for a company that runs a structured apprenticeship program or regularly helps workers get licensed. On PlumbingJobs.com, you can find apprentice and helper listings from employers who mention training pipelines, union affiliations, and mentorship arrangements directly in their postings.
The hours you log today determine when you can apply for your journeyman license, so your choice of employer is one of the most important decisions you’ll make in your plumbing career.
Filter by state, city, and job title to match your path
Your licensing path depends on where you work. Because requirements differ so much by state, finding a job in the right jurisdiction matters as much as finding the right role. PlumbingJobs.com lets you filter listings by state, city, and job title so you can target opportunities in the specific market where you plan to get licensed and build your career long-term.
You can also search by role type, such as apprentice, helper, or service technician, which helps you identify positions that match your current credential level. Targeting the right job title from the start ensures your hours count toward the exact license category you’re working toward.
Track what employers need to sign off on your experience
Many licensing boards require a notarized letter or affidavit from a supervising master plumber confirming your hours and the type of work you performed. Not every employer has a clear process for this. When reviewing listings on PlumbingJobs.com, look for company size, licensing support mentions, and union affiliation as signals that the employer knows how to document experience correctly. Before you accept a position, ask directly whether the company has helped workers apply for journeyman licenses before.
2. Alabama, Alaska, Arizona, Arkansas
These four states take different approaches to journeyman plumber license requirements, so knowing which agency governs your license and what that agency expects saves you significant time during the application process. Alabama and Alaska both issue statewide credentials, Arizona runs licensing through a contractor-focused board, and Arkansas routes everything through its state health department.
Confirm who issues journeyman plumbing licenses in each state
Alabama’s State Board of Plumbing and Gas (aplb.alabama.gov) issues journeyman licenses statewide. Alaska handles plumbing licenses through the Department of Labor and Workforce Development. Arizona’s Registrar of Contractors covers plumbing, and Arkansas uses the Arkansas State Board of Health for all plumbing license applications.
Compare required hours, apprenticeship rules, and classroom time
Alabama requires 4 years of documented apprenticeship experience. Alaska requires 8,000 hours under a licensed plumber. Arizona requires 4 years of journey-level field experience, and Arkansas requires 4 years of verified on-the-job plumbing work before you can apply.
Know what exams you must pass and how testing works
Each state requires a written trade exam covering plumbing codes, installation practices, and safety. Alabama, Arizona, and Arkansas use third-party testing providers such as PSI or Prometric, while Alaska administers its own examination process through the state.
Follow the application steps and avoid common rejection reasons
Submit your verified work history, passing exam scores, and application fee directly to the issuing board. The most common reason applications get rejected is incomplete experience documentation, so confirm that your supervising plumber has signed off on every hour you claim before you send anything in.
Plan for renewal timing, fees, and continuing education
Missing a renewal deadline in any of these states means you cannot legally work until you reinstate your license, which can cost you more than the renewal fee itself.
Alabama and Arkansas renew licenses annually, while Alaska and Arizona operate on biennial renewal cycles. Fees range from roughly $25 to $100 depending on the state, and some jurisdictions require continuing education hours at each renewal.
3. California, Colorado, Connecticut
California, Colorado, and Connecticut each handle journeyman plumber license requirements differently, with California operating through local jurisdictions, Colorado running a statewide program, and Connecticut requiring state-level credentials. Understanding which body governs your license tells you exactly where to send your application and what standards you need to meet.
Confirm who issues journeyman plumbing licenses in each state
California does not issue a statewide journeyman plumber license; licensing is handled at the city or county level, so you apply directly to your local authority. Colorado’s Department of Regulatory Agencies issues journeyman plumber licenses statewide. Connecticut licenses plumbers through its Department of Consumer Protection.
Compare required hours, apprenticeship rules, and classroom time
California hour requirements vary by jurisdiction, but most local authorities require 4 to 5 years of apprenticeship experience. Colorado requires 8,000 hours of documented field work under a licensed plumber. Connecticut requires 4 years of verified on-the-job plumbing experience before you qualify to apply.
Know what exams you must pass and how testing works
Colorado uses PSI Exams for its journeyman plumber written test, which covers the International Plumbing Code and trade practices. Connecticut requires a state-administered trade exam. In California, exam requirements depend entirely on your local jurisdiction.
Check with your specific California city or county office before assuming any statewide requirement applies to your application.
Follow the application steps and avoid common rejection reasons
Submit verified work history and your exam results to the correct issuing body. Incomplete hour documentation is the top reason applications get denied across all three states, so confirm your supervising plumber has signed off on every hour before you submit.
Plan for renewal timing, fees, and continuing education
Colorado and Connecticut both operate on biennial renewal cycles. Fees typically range from $50 to $150, and Connecticut requires continuing education credits at each renewal period.
4. Delaware, Florida, Georgia
Delaware routes journeyman plumber license requirements through a state agency, Florida runs its program through a professional regulation department, and Georgia has no statewide journeyman license, leaving oversight to local jurisdictions. Knowing which body governs your credentials tells you exactly where to apply and what documentation to prepare.
Confirm who issues journeyman plumbing licenses in each state
In Delaware, the Division of Professional Regulation issues journeyman plumber licenses statewide. Florida’s Department of Business and Professional Regulation oversees plumbing credentials through its Construction Industry Licensing Board. Georgia does not issue a statewide journeyman license, so you apply directly to your local city or county licensing authority.
Compare required hours, apprenticeship rules, and classroom time
Delaware requires 4 years of verified apprenticeship experience under a licensed master plumber. Florida requires 4 years of documented field experience, including at least one year in a formal apprenticeship program. Georgia’s requirements vary by jurisdiction, but most local authorities expect 4 years of on-the-job plumbing work.
Know what exams you must pass and how testing works
Confirm your exam registration deadline well in advance, because testing slots fill quickly in high-demand metro areas like Miami.
Both Delaware and Florida use third-party testing providers such as PSI to administer written trade exams. Florida’s exam covers state plumbing codes and construction practices in detail. Georgia exam requirements depend entirely on your local licensing authority.
Follow the application steps and avoid common rejection reasons
Submit your verified experience documentation and exam results to the correct issuing authority. Incomplete hour logs are the top reason applications get rejected, so have your supervising plumber sign off on every hour before you file anything.
Plan for renewal timing, fees, and continuing education
Delaware and Florida both operate on biennial renewal cycles. Florida requires continuing education hours at each renewal period, and fees typically run between $50 and $150 depending on the state.
5. Hawaii, Idaho, Illinois, Indiana
Hawaii, Idaho, Illinois, and Indiana represent a wide range of approaches to journeyman plumber license requirements. Hawaii issues a statewide credential, while Idaho, Illinois, and Indiana leave licensing authority to local jurisdictions, which means your application process depends heavily on where you plan to work.
Confirm who issues journeyman plumbing licenses in each state
Hawaii’s Department of Commerce and Consumer Affairs issues journeyman plumber licenses statewide. Idaho, Illinois, and Indiana have no statewide journeyman plumber license, so you apply directly to your city or county licensing authority. In Illinois, Chicago and surrounding municipalities each set their own rules, so confirm with your specific local office before starting any application.
Compare required hours, apprenticeship rules, and classroom time
Hawaii requires 4 years of verified field experience under a licensed plumber before you can apply. Idaho, Illinois, and Indiana local authorities typically expect 4 years of documented on-the-job experience, though specific hour totals vary by jurisdiction.
Know what exams you must pass and how testing works
Hawaii uses a state-administered written trade exam covering plumbing codes and installation standards. Local jurisdictions in Idaho, Illinois, and Indiana set their own exam formats and passing score requirements, so contact your local authority directly to confirm which test applies to your application.
Confirm your local exam schedule early, because some smaller jurisdictions in Idaho and Indiana only offer testing a few times per year.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and exam results to the correct issuing body. Incomplete hour documentation is the leading cause of rejected applications across all four states, so have your supervising plumber sign off on every documented hour before you file.
Plan for renewal timing, fees, and continuing education
Hawaii renews journeyman licenses on a biennial cycle, with fees typically ranging from $50 to $100. Renewal requirements in Idaho, Illinois, and Indiana vary by local jurisdiction, so check directly with your issuing authority for deadlines and any required continuing education.
6. Iowa, Kansas, Kentucky
Iowa handles journeyman plumber license requirements at the state level, Kansas leaves licensing to local jurisdictions, and Kentucky runs a statewide program through its building and construction department. Knowing which body governs your license tells you exactly where to apply and what documentation to prepare.
Confirm who issues journeyman plumbing licenses in each state
Iowa’s Plumbing and Mechanical Systems Board issues journeyman plumber licenses statewide. Kansas has no statewide journeyman plumber license, so you apply directly to your local city or county authority. Kentucky’s Department of Housing, Buildings and Construction oversees journeyman plumber credentials for the entire state.
Compare required hours, apprenticeship rules, and classroom time
Iowa requires 4 years of verified field experience under a licensed master plumber before you qualify to apply. Kentucky also requires 4 years of documented on-the-job plumbing work, confirmed by a supervising master plumber. Kansas local jurisdictions typically expect 4 years of experience, though specific hour totals vary by city.
Know what exams you must pass and how testing works
Iowa and Kentucky both use third-party testing providers to administer written trade exams covering plumbing codes and installation practices. Kansas exam formats and passing score requirements depend entirely on your local licensing authority, so contact your city or county office directly before you register for anything.
Confirm your exam registration window well in advance, because testing slots in high-demand markets fill faster than most applicants expect.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct issuing authority. Incomplete hour documentation is the top reason applications get rejected across all three states, so have your supervising master plumber sign off on every hour before you file.
Plan for renewal timing, fees, and continuing education
Iowa and Kentucky both operate on biennial renewal cycles, with fees typically ranging from $50 to $100. Kansas renewal requirements vary by local jurisdiction, so check directly with your issuing authority for deadlines and any required continuing education credits.
7. Louisiana, Maine, Maryland, Massachusetts
Louisiana, Maine, Maryland, and Massachusetts each take a distinct approach to journeyman plumber license requirements. Louisiana and Maine run statewide programs, Maryland leaves licensing to local jurisdictions, and Massachusetts operates one of the more rigorous state-level credentialing systems in the country.
Confirm who issues journeyman plumbing licenses in each state
The Louisiana State Plumbing Board issues journeyman plumber licenses statewide. Maine’s Department of Professional and Financial Regulation handles all plumbing credentials. Maryland has no statewide journeyman license, so you apply directly to your local county or city authority. Massachusetts routes all journeyman plumber applications through the Board of State Examiners of Plumbers and Gas Fitters.
Compare required hours, apprenticeship rules, and classroom time
Louisiana, Maine, and Massachusetts each require 4 years of verified field experience under a licensed master plumber. Maryland’s local jurisdictions set their own hour requirements, but most expect at least 4 years of documented on-the-job plumbing work before you can apply.
Know what exams you must pass and how testing works
Louisiana and Maine use third-party testing providers for written trade exams covering plumbing codes and installation standards. Massachusetts administers a state-written and practical exam, which applicants consistently rank as one of the more demanding tests in the region.
Schedule your Massachusetts exam slot early, because available testing dates fill quickly in the Boston metro area.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct issuing authority. Incomplete hour logs are the leading cause of rejected applications across all four states, so confirm your supervising master plumber has signed every hour before you file.
Plan for renewal timing, fees, and continuing education
Louisiana, Maine, and Massachusetts all operate on biennial renewal cycles, with fees typically ranging from $50 to $125. Maryland renewal requirements vary by local jurisdiction, so check directly with your issuing authority for deadlines and any required continuing education.
8. Michigan, Minnesota, Mississippi, Missouri
Michigan and Minnesota both run statewide journeyman plumber license programs, Mississippi routes credentials through its contractor board, and Missouri has no statewide journeyman license, leaving requirements to local jurisdictions. Knowing which body governs your journeyman plumber license requirements upfront prevents you from wasting time on the wrong application process.
Confirm who issues journeyman plumbing licenses in each state
Michigan’s Department of Licensing and Regulatory Affairs issues journeyman plumber licenses statewide. Minnesota’s credentials come from the Department of Labor and Industry. Mississippi processes applications through the State Board of Contractors. In Missouri, no statewide journeyman license exists, so you apply directly to your local city or county authority.
Compare required hours, apprenticeship rules, and classroom time
Michigan and Minnesota each require 8,000 hours of verified field experience under a licensed master plumber. Mississippi requires 4 years of documented on-the-job experience before you qualify to apply. Missouri local jurisdictions typically expect 4 years of verified plumbing work, though specific hour totals vary by city.
Know what exams you must pass and how testing works
Michigan and Minnesota use third-party testing providers to administer written trade exams. Mississippi applicants sit for a contractor board-approved exam covering state plumbing codes and installation practices. Missouri exam formats depend entirely on your local issuing authority.
Confirm your exam registration deadline early, because available testing slots fill quickly in high-demand markets like Detroit and Minneapolis.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct issuing authority. Incomplete hour documentation is the leading cause of rejected applications across all four states, so have your supervising master plumber sign off on every hour before you file.
Plan for renewal timing, fees, and continuing education
Michigan and Minnesota operate on biennial renewal cycles, with fees typically ranging from $50 to $100. Mississippi and Missouri renewal requirements vary, so check directly with your issuing authority for deadlines and any required continuing education credits.
9. Montana, Nebraska, Nevada, New Hampshire
Montana, Nebraska, Nevada, and New Hampshire all issue statewide journeyman plumber credentials, which means you deal with one licensing body rather than navigating a patchwork of local authorities. Understanding the journeyman plumber license requirements in each state before you apply saves you from submitting incomplete paperwork and facing delays.
Confirm who issues journeyman plumbing licenses in each state
Montana’s Department of Labor and Industry issues journeyman plumber licenses statewide. Nebraska routes all applications through the State Plumbing Board. Nevada processes credentials through its State Contractors Board, and New Hampshire handles plumbing licenses through its Office of Professional Licensure and Certification.
Compare required hours, apprenticeship rules, and classroom time
All four states require 4 years of verified field experience under a licensed master plumber before you can apply. Nebraska and New Hampshire also expect documented classroom or related instruction hours as part of a formal apprenticeship, so confirm with your issuing board whether trade school credit counts toward your total.
Know what exams you must pass and how testing works
Montana, Nebraska, Nevada, and New Hampshire all use third-party testing providers to administer written trade exams covering plumbing codes and installation practices.
Register for your exam as soon as you confirm your experience hours are complete, because testing slots in smaller markets fill faster than most applicants expect.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct state board. Incomplete hour documentation is the top reason applications get rejected, so have your supervising master plumber sign off on every hour before you file.
Plan for renewal timing, fees, and continuing education
All four states operate on biennial renewal cycles, with fees typically ranging from $50 to $100. Check directly with your issuing board for any required continuing education credits at renewal.
10. New Jersey, New Mexico, New York
New Jersey and New Mexico both issue statewide journeyman plumber credentials, while New York has no statewide journeyman license and routes oversight to local jurisdictions. Understanding how each state structures its journeyman plumber license requirements before you apply keeps your application on track and prevents unnecessary delays.
Confirm who issues journeyman plumbing licenses in each state
New Jersey’s Division of Consumer Affairs, Board of Examiners of Master Plumbers issues journeyman licenses statewide. New Mexico routes all applications through the Construction Industries Division of the Regulation and Licensing Department. New York has no statewide journeyman license, so you apply directly to your local city or county authority, with New York City operating its own licensing process through the Department of Buildings.
Compare required hours, apprenticeship rules, and classroom time
New Jersey and New Mexico each require 4 years of verified field experience under a licensed master plumber before you qualify to apply. New York’s local jurisdictions typically expect 4 years of documented on-the-job plumbing work, though specific hour totals vary by authority.
Know what exams you must pass and how testing works
New Jersey and New Mexico both use third-party testing providers for written trade exams covering plumbing codes and installation practices. New York exam formats depend entirely on your local issuing authority.
Register for your exam as soon as your experience hours are complete, because testing slots in the New York City metro area fill faster than in most other markets.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct issuing authority. Incomplete hour documentation remains the top reason applications get rejected across all three states, so have your supervising master plumber sign off on every hour before you file.
Plan for renewal timing, fees, and continuing education
New Jersey and New Mexico operate on biennial renewal cycles, with fees typically ranging from $50 to $100. New York renewal requirements vary by local jurisdiction, so check directly with your issuing authority for deadlines and any required continuing education credits.
11. North Carolina, North Dakota, Ohio
North Carolina, North Dakota, and Ohio each approach journeyman plumber license requirements differently. North Dakota and Ohio issue statewide credentials, while North Carolina leaves licensing authority entirely to local jurisdictions.
Confirm who issues journeyman plumbing licenses in each state
North Carolina has no statewide journeyman plumber license, so you apply directly to your local city or county authority. North Dakota’s State Plumbing Board issues credentials statewide. Ohio routes all journeyman plumber applications through the Construction Industry Licensing Board.
Compare required hours, apprenticeship rules, and classroom time
Both North Dakota and Ohio require 4 years of verified field experience under a licensed master plumber before you can apply. North Carolina local jurisdictions typically expect the same, though specific hour totals vary by city or county, so confirm with your local authority before you start counting.
Know what exams you must pass and how testing works
Register for your exam as soon as your experience hours are confirmed, because testing slots fill quickly in Ohio’s larger metro areas like Columbus and Cleveland.
Both states use third-party testing providers to administer written trade exams covering plumbing codes and installation practices. North Carolina exam requirements depend entirely on your local issuing authority, so contact your city or county office directly before you register for any exam.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct issuing authority. Incomplete hour documentation is the leading reason applications get rejected across all three states, so have your supervising master plumber sign off on every hour before you file.
Plan for renewal timing, fees, and continuing education
Both North Dakota and Ohio operate on biennial renewal cycles, with fees typically ranging from $50 to $100. North Carolina renewal requirements vary by local jurisdiction, so check directly with your issuing authority for deadlines and any required continuing education credits.
12. Oklahoma, Oregon, Pennsylvania
Oklahoma and Oregon both issue statewide journeyman plumber credentials, while Pennsylvania has no statewide journeyman license and routes oversight entirely to local jurisdictions. Understanding how each state structures its journeyman plumber license requirements before you apply keeps your paperwork on track and prevents avoidable delays.
Confirm who issues journeyman plumbing licenses in each state
Oklahoma’s Construction Industries Board issues journeyman plumber licenses statewide. Oregon routes all applications through the Building Codes Division under the Department of Consumer and Business Services. Pennsylvania has no statewide journeyman license, so you apply directly to your local city or county authority, with Philadelphia and Pittsburgh each running their own licensing offices.
Compare required hours, apprenticeship rules, and classroom time
Oklahoma and Oregon each require 4 years of verified field experience under a licensed master plumber before you qualify to apply. Oregon also expects documented related instruction hours as part of a formal apprenticeship, so confirm with your issuing board whether trade school credit applies to your total. Pennsylvania local jurisdictions typically expect the same 4-year standard, though specific hour requirements vary by authority.
Know what exams you must pass and how testing works
Oklahoma uses PSI Exams for its written trade test, and Oregon administers its own state-written exam covering Oregon plumbing specialty codes and installation standards.
Register for your Oregon or Oklahoma exam as soon as your experience hours are confirmed, because testing slots fill quickly.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct issuing authority. Incomplete hour documentation is the top reason applications get rejected across all three states.
Plan for renewal timing, fees, and continuing education
Oklahoma and Oregon both operate on biennial renewal cycles, with fees typically ranging from $50 to $100. Pennsylvania renewal requirements vary by local jurisdiction, so check directly with your issuing authority for deadlines and any required continuing education credits.
13. Rhode Island, South Carolina, South Dakota
Rhode Island and South Carolina both issue statewide journeyman plumber credentials, while South Dakota has no statewide journeyman license and directs all licensing activity to local jurisdictions. Knowing which body governs your journeyman plumber license requirements before you start collecting paperwork keeps your application moving in the right direction.
Confirm who issues journeyman plumbing licenses in each state
Rhode Island’s Department of Labor and Training issues journeyman plumber licenses statewide. South Carolina routes all applications through the Department of Labor, Licensing and Regulation. South Dakota has no statewide journeyman license, so you apply directly to your local city or county authority for credentials.
Compare required hours, apprenticeship rules, and classroom time
Rhode Island and South Carolina each require 4 years of verified field experience under a licensed master plumber before you qualify to apply. South Dakota’s local jurisdictions typically expect the same 4-year standard, though specific hour totals vary by authority, so confirm with your local office before you start logging hours.
Know what exams you must pass and how testing works
Both Rhode Island and South Carolina use third-party testing providers to administer written trade exams covering plumbing codes and installation practices. South Dakota exam requirements depend entirely on your local issuing authority.
Register for your exam as soon as your experience hours are confirmed, because testing slots fill faster than most applicants expect.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct issuing authority. Incomplete hour documentation is the leading reason applications get rejected across all three states, so have your supervising master plumber sign off on every hour before you file anything.
Plan for renewal timing, fees, and continuing education
Rhode Island and South Carolina both operate on biennial renewal cycles, with fees typically ranging from $50 to $100. South Dakota renewal requirements vary by local jurisdiction, so check directly with your issuing authority for deadlines and any required continuing education credits.
14. Tennessee, Texas, Utah
Tennessee, Texas, and Utah all issue statewide journeyman plumber credentials, which means you deal with one licensing body rather than navigating a network of local offices. Understanding the journeyman plumber license requirements in each state before you apply keeps your paperwork complete and your application moving forward without unnecessary delays.
Confirm who issues journeyman plumbing licenses in each state
Tennessee’s Department of Commerce and Insurance issues journeyman plumber licenses statewide. Texas routes all applications through the Texas State Board of Plumbing Examiners. Utah processes journeyman plumber credentials through the Division of Occupational and Professional Licensing under the Department of Commerce.
Compare required hours, apprenticeship rules, and classroom time
All three states require 4 years of verified field experience under a licensed master plumber before you qualify to sit for the exam. Texas also mandates documented related classroom instruction, so confirm with the Board whether your trade school hours count toward your total before you apply.
Know what exams you must pass and how testing works
Tennessee, Texas, and Utah each use third-party testing providers to administer written trade exams covering plumbing codes and installation practices. Texas administers one of the more detailed state-specific exams in the country, so review the Texas Plumbing License Law before you register.
Register for your exam as soon as your experience hours are confirmed, because testing slots in major Texas markets fill quickly.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct state board. Incomplete hour documentation is the top reason applications get rejected, so have your supervising master plumber sign off before you file.
Plan for renewal timing, fees, and continuing education
All three states operate on biennial renewal cycles, with fees typically ranging from $50 to $100. Check directly with your issuing board for any required continuing education credits at renewal.
15. Vermont, Virginia, Washington, West Virginia
Vermont, Virginia, Washington, and West Virginia all issue statewide journeyman plumber credentials, so you work with one licensing body rather than tracking down local offices. Each state sets its own journeyman plumber license requirements, meaning the hours, exams, and renewal schedules differ enough to check individually before you apply.
Confirm who issues journeyman plumbing licenses in each state
Vermont’s Office of Professional Regulation handles all journeyman plumber licenses statewide. Virginia routes applications through the Department of Professional and Occupational Regulation. Washington processes credentials through the Department of Labor and Industries, and West Virginia issues licenses through its Division of Labor.
Compare required hours, apprenticeship rules, and classroom time
All four states require 4 years of verified field experience under a licensed master plumber before you can apply. Washington also requires documented related classroom instruction through an approved apprenticeship program, so confirm with the Department of Labor and Industries whether your trade school hours satisfy that requirement.
Know what exams you must pass and how testing works
Vermont, Virginia, Washington, and West Virginia each use third-party testing providers to administer written trade exams covering plumbing codes and installation practices.
Register for your exam as soon as your experience hours are confirmed, because testing slots fill faster than most applicants expect.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct state board. Incomplete hour documentation is the top reason applications get rejected, so have your supervising master plumber sign off on every hour before you file.
Plan for renewal timing, fees, and continuing education
All four states operate on biennial renewal cycles, with fees typically ranging from $50 to $100. Check directly with your issuing board for any required continuing education credits before your renewal deadline arrives.
16. Wisconsin, Wyoming, Washington, D.C.
Wisconsin and Wyoming both issue statewide journeyman plumber credentials, and Washington, D.C. runs its own licensing program through a district-level authority. Reviewing the journeyman plumber license requirements for each jurisdiction before you apply keeps your documentation complete and your timeline on track.
Confirm who issues journeyman plumbing licenses in each state
Wisconsin’s Department of Safety and Professional Services issues journeyman plumber licenses statewide. Wyoming routes all applications through the State Plumbing Board. Washington, D.C. handles plumbing credentials through the Department of Consumer and Regulatory Affairs.
Compare required hours, apprenticeship rules, and classroom time
All three jurisdictions require 4 years of verified field experience under a licensed master plumber before you qualify to apply. Wisconsin also expects documented related classroom instruction through an approved apprenticeship program, so confirm with the Department whether your trade school hours satisfy that requirement before you submit.
Know what exams you must pass and how testing works
Wisconsin, Wyoming, and Washington, D.C. each use third-party testing providers to administer written trade exams covering plumbing codes and installation practices.
Register for your exam as soon as your experience hours are confirmed, because testing slots in the D.C. metro area fill faster than most applicants expect.
Follow the application steps and avoid common rejection reasons
Submit your verified experience records and passing exam scores to the correct issuing authority. Incomplete hour documentation is the top reason applications get rejected across all three jurisdictions, so have your supervising master plumber sign off on every hour before you file anything.
Plan for renewal timing, fees, and continuing education
All three jurisdictions operate on biennial renewal cycles, with fees typically ranging from $50 to $100. Check directly with your issuing authority for any required continuing education credits before your renewal deadline arrives.
Next steps
Every state covered in this guide has its own rules, but the core pattern stays the same: log your hours under a licensed master plumber, pass a written trade exam, and submit complete documentation to the right issuing authority. Meeting your journeyman plumber license requirements comes down to starting with the right employer and staying organized throughout your apprenticeship.
Your next move is finding a position that builds the verified experience your state board will accept. PlumbingJobs.com lists apprentice, helper, and journeyman roles across all 50 states, so you can filter by location and job title to find employers who support the licensing process from day one. Check the latest plumbing job listings to find work that moves your credentials forward. The sooner you land the right employer, the sooner your hour count starts climbing toward your license.
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