How to Get a Plumbing License in Your State?

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📝Key Takeaways:

  • Go through the detailed aspects of the requirements and demands of different states in the country.
  • Understand the importance of financial software to handle your plumbing business operations.

Understand the requirements for different states to procure plumbing licenses to deliver professional services to your clients.

To establish your own plumbing business or become an independent contractor, you require a plumbing license and plumbers’ insurance in almost all of the states in the country.

But going through the procurement process can be overwhelming for you because of the special requirements and constraints of different states.

Don’t worry.

We have simplified the process and compiled the information about how to get a plumbing license in different states.

So, without further ado, let’s get started.

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How to Get a Plumbing License for Different States?

Each state in the United States has its requirements for plumbing licenses. If your state doesn’t offer a state-wide license requirement, you need to check the license requirement at the local level.

We’ll help you remove the doubts and queries about license procurement in the plumbing industry and help you earn a plumbing contractor’s license with finesse. We have selected the top states and their plumbing license requirements.


To execute different plumbing operations within Alabama, you must obtain a plumbing license from the state’s Plumbers and Gas Fitters Examining Board.

To become a licensed plumber, you also need their plumbing apprentice certification by passing the journeyman licensing exam. 

The board requires you to complete at least two years as an apprentice by working under the guidance of a licensed master plumber or completing the apprenticeship training program.

You must pay $110 plus $30 annually for your commercial or residential plumbing license. Next, for a master plumber’s license, a $160 charge and a $125 renewal fee are required.


Without a professional journeyman plumber’s license, you won’t be able to perform professional plumbing repair work. Alaska requires a minimum of 8000 hours of lawfully gained job experience for a journeyman plumber. 

You can also get the license if you have completed over 1,000 hours of related in-class experience. You must also pass the licensing exam that tests your plumbing abilities and skills. 

You must gain a restricted plumbing license if you want to install fuel and gas piping or perform plumbing services for public utilities. The requirements for the restricted plumber gas license (PG) change and you need a minimum of 2,000 hours in fuel gas piping installation or 2,000 hours of commercial or industrial plumbing installation.  


You will need a few years of work experience besides taking the business management and trade exam examinations. You can substitute your experience with education or training in the plumbing business. 

You need to contact the Arizona Registrar of Contractors to kickstart gaining the required license for working as a plumber in the state.


A licensed master’s plumber license requires a minimum of five years of professional experience, a $125 test fee, and a $200 annual renewal fee. A four-year minimum work experience is required for a journeyman license, and there is a $75 exam cost and an annual renewal charge. The apprentice examination costs $25.


If the project cost exceeds $500 in California, a bidding procedure and a license are required. One must pass the California master plumber’s test and business and legal examinations to get a license. You would next need to apply for a contractor’s license and have four years of experience as a journeyman plumber.

Once you pass the exam, you must also pass the criminal background check performed by the Contractors State License Board and file a $10,000 bond to complete the overall requirements.


The state offers three types of plumber licenses: a journeyperson plumber license, a residential plumber license, and a master plumber license.

A residential plumber license enables you to perform residential plumbing jobs like repairs, pipe fittings, and installations. You can qualify for the residential license by working under a master plumber for two years.

A journeyperson’s plumber license enables you to perform commercial and residential plumbing jobs. You need a minimum of four years of experience in the plumbing industry and must qualify for the plumbing exam. You need to submit an affidavit of eligibility to complete the overall process.

For a master’s plumber license, you must have five years of work experience, and for a journeyman’s license, you must have four years or 6,800 hours. You will need to work for 3400 hours, or at least two years, in home plumbing.


To apply for a journeyman’s plumber license, you must have completed an apprenticeship or show confirmation of an equivalent amount of work experience. The state offers two types of plumbing licenses: unlimited plumbing contractor and unlimited journeyman plumber license.

An unlimited journeyperson plumber license enables you to work as an apprentice plumber and understand the plumbing systems under the supervision of a licensed plumbing contractor. You need a high school diploma or complete a series of training courses and then pass the qualifying exam.

To work as a plumber by acquiring an unlimited plumbing contractor license, you require two years of experience as an unlimited journeyperson plumber.  


You must be at least 18 years old to apply for the trade, business, and finance tests. You would also need to produce a financial and credit report that iswas no older than a year old, as well as four years of trade-related job experience.


You need three years of relevant plumbing experience to qualify for a journeyperson plumber license. The state has two different classifications of master plumbers in Georgia.

You can qualify for master plumber license class one if you have a minimum of five years of experience and two years’ experience as a journeyperson plumber.

And if you want to qualify for the master plumber class two license, you need the same experience as class one but with a specific experience with industrial or commercial plumbing.


For all three licenses, i.e., apprentice, journeyman, and master plumber, the Iowa Plumbing and Mechanical Systems Board requires that applicants be at least 18 years old. 

You need four years of plumbing experience and pass the certification of the licensing exam to qualify for the journeyperson plumber’s license. To qualify for the master plumber’s license, you must have plumbing work experience as a journeyperson plumber and pass the additional business and law exams.


Only a few Kansas communities, including Johnson County, Overland Park, Topeka, Wichita, and other nearby regions, need a plumbing license. 

Besides paying the price, you will need to apply for the license with copies of your ID and driving license. You must pass the apprenticeship program and gain the plumber’s apprentice license before becoming a licensed plumber.


In Louisiana, you can start as an apprentice at 16, and you need five years of work experience to become a journeyman before applying for a master plumber’s license, which takes another five years. 

The licensing process is smooth, and you can become a plumbing technician if you fulfill the general required journeyperson plumber and master license requirements.


Plumber trainee, a journeyman in training, journeyman plumber, and master plumber license are the four license classifications ‌by the state governing authority.

You would need to complete the full course with at least a year of experience as a journeyman plumber to become a licensed master plumber.


A master plumber license needs two years or 3700 hours of work experience, whereas a journeyman plumber has to finish four years of training and 7500 hours of apprenticeship under a master plumber.


For a journeyman license, you must have 7000 recorded hours of experience over four years, and for a master plumbing license, you must have worked as a journeyman for at least five years.


For the journeyman position (C-1), you must have at least four years and 8000 hours of experience. For the position of master (C-1), you must have at least 2000 hours of journeyman experience, and for the position of a contractor (C-1d), you must have four years of experience as a journeyman or supervisor over ten years.

New Jersey

For a master’s license, you must pass three tests in trade, business, and law as well as practical with four years of apprenticeship or journeyman status and one year of journeyman status.

New Mexico

You must complete 144 hours of classroom time to become an apprentice and get the plumbing apprenticeship certificate. The journeyman license can be applied after four years and 8000 hours of experience. New Mexico’s plumbers must pass the written and the practical exams to complete the professional licensing process.

New York

You need to acquire the plumber’s apprentice and license to work as a plumber in the state. You must also register with the plumbing inspector and the Secretary of State.

To become a certified plumber, you need a minimum of two years of experience and prove it with a notarized affidavit from a professional master plumber.

You can also apply for the master plumber license but need at least seven years of experience in the industry and at least two years of experience working as a journeyman plumber.

The state authority also requires you to clear the final licensing exam that can prove your expertise and knowledge as a professional plumber and make you eligible to work.


Your path as a master plumber begins here as an apprentice and ends as a contractor. A journeyman license in Oklahoma requires three years of experience.


You must finish the necessary apprenticeship training or have experience or training that is similar to becoming a journeyman.


Until the licensing exam, the journeyman would be required to serve as an apprentice to the licensed master plumber.

South Carolina

To apply for a residential license, you would need to pass the business and law tests and have one year of experience; for a commercial plumbing license, you would need two years of experience.


You must finish the apprentice program and get a minimum exam score of 70%  to become a journeyman. For a master plumber, you must complete at least 1000 hours annually for three straight years and get a minimum score of 70% on the test.

Now that you understand the requirements of the top states in the country, it’s time you fulfill the requirements demanded by your state.

Once done, you can deliver a quality customer experience and earn great revenue and profits for your business. But to ensure that you remain profitable and manage your expenses and other cash flow scenarios, you must integrate professional financial management software.

The software can streamline your accounting and help you remain on top of your finances. It can increase business efficiency and help your finance department to increase efficiency.

Our team has selected the best financial management software that can help you increase your business efficiency and achieve your desired potential.

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Frequently Asked Questions
  1. When to renew a plumber’s certificate?

    The certificate mentions the renewal date, but on an average, you can renew it 45 days before it is due.

  2. What grounds does the board have to cancel my license?

    The answer varies from state to state, but a few possible causes include fraud, carelessness, refusal to comply, etc.

  3. Aside from losing my license, what other sanctions may I encounter?

    You may not always lose your license if the local authorities deem you guilty. Fines, license suspensions, audits, continuing education, and reprimands are a few examples of punishments.

  4. Can modest fines harm my company?

    Yes, local authorities may let you work if you comply with their restrictions, but because of the sanctions, the company may suffer.

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Author Bio
Jeel Patel
Jeel Patel

Jeel Patel is the Founder of InvoiceOwl and is the main curator & writer of the content found on this site. With ideals of quality, commitment, and perseverance, he believes in creating lasting business relationships with the clients.


Ahmedabad (Vasant Vihar)