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How to Get Your Plumbing Certification: 4 Best Types, Exam, License

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What Are The 4 Types of Plumbing Certification?

Master Plumber Certification

The Master Plumber Certification is the highest level of certification available. To become a Master Plumber, you must have at least four years of experience as a Journeyman Plumber and pass an exam.

Journeyman Plumber Certification

The Journeyman Plumber Certification is the second-highest level of certification available. To become a Journeyman Plumber, you must have at least two years of experience as a Residential or Service Plumber and pass an exam.

Backflow Prevention Certification

The International Association of Plumbing and Mechanical Officials (IAPMO) is a plumbing and mechanical goods certification agency. IAPMO provides four types of certification:

– Green Plumbing and Mechanical Code Administrator (GPMCA)

– Green Plumbing and Mechanical Inspector (GPMSI)

– Green Plumbing Designer (GPD)

– Universal Plumbing Inspector (UPI)

The GPMCA, GPMSI, GPD, and UPI programs offer specialized training and certification in green plumbing and mechanical code administration, inspection, design, and universal plumbing inspection, making them the first of their kind in the industry.

We’re thrilled to share that IAPMO’s green plumbing program equips officials, inspectors, designers, and contractors with the knowledge and tools needed to champion water conservation through smarter plumbing codes, standards, products, and practices. Join us in creating a brighter, greener future!

Certified Professional Plumbing Contractor (CPPC).

In order to achieve the highest level of certification as a plumber, known as the CPPC certification, you need to have a minimum of four years of experience as a journeyman plumber or two years of experience as a master plumber. To obtain the CPPC certification, you will need to pass an exam that is overseen by the National Institute for Certification in Engineering Technologies (NICET).

Master plumbers must complete an apprenticeship program and pass a state-administered exam, in addition to having at least five years of plumbing experience.

Journeyman plumbers have at least four years of experience and have completed an apprenticeship program in the plumbing trade.

A registered apprentice is a person who is currently enrolled in an approved apprenticeship program but has not yet completed their journeyman or master-level training.

What is the plumbing certification exam?

There are four types of plumbing certification exams: general, master, journeyman, and contractor. The general exam covers basic knowledge of plumbing principles and practices.

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The master exam covers more advanced topics, such as Hydronics and gas piping. The journeyman exam covers the installation and repair of plumbing systems. The contractor exam is for those who want to become licensed to perform plumbing work in their state.

To become certified, plumbers must pass an examination administered by a state-approved testing agency. The content of the exams varies by state, but all exams cover the basics of safety, materials, tools, and installation methods.

Plumbers must also have a certain amount of experience working in the field before they can take the examination.

What is the plumbing certification license?

A plumbing certification license is a credential that demonstrates that an individual has the skills and knowledge necessary to work as a professional plumber. There are four main types of plumbing certification licenses: journeyman, master, backflow specialist, and cross-connection control specialist.

To obtain a plumbing certification license, individuals must pass an exam that covers topics such as safety, code requirements, and best practices. Plumbing certification licenses must be renewed on a regular basis, and plumbers are required to complete continuing education courses to maintain their licenses.

How do I get a plumbing certification?

To become a journeyman or master plumber, you must have completed an accredited plumbing program and have at least 2 years of experience working in the field. To become a residential or commercial plumber, you must have at least 4 years of experience working in the field.

How to get a plumbing certification?

Once you have met the desired certification requirements, you must pass an exam. The exam will test your knowledge of the National Standard Plumbing Code and local codes. After passing the exam, you will then need to apply for a license from your state’s licensing board.

Once you have your license, you will need to renew it every few years by completing continuing education courses. These courses help ensure that plumbers stay up-to-date on the latest code changes and advances in plumbing technology.

Types of Plumbers

Master plumber

Master plumbers are the highest level of a plumber, and they possess the most training and experience. In order to become a master plumber, an individual must have at least four years of journeyman experience and pass a state-licensed examination.

They are responsible for supervising other plumbers and ensuring that all work is completed up to code. In addition, master plumbers can install plumbing systems in new construction projects.

Residential plumber

Residential plumbers are responsible for all plumbing needs in a home, including but not limited to:

– fixing leaks

– unclogging drains

– installing fixtures

– repairing pipes

Residential plumbers typically work in small businesses or as part of a team of plumbers. They may also be self-employed. Some residential plumbers are on call 24 hours a day to respond to emergencies.

Residential plumbers must have good customer service skills and be able to communicate effectively with homeowners. They must also have the physical stamina to do the job, as it can be quite physically demanding. Residential plumbers must be able to identify and repair plumbing problems quickly and efficiently.

Journeyman plumber

A journeyman plumber is a tradesperson who has completed an apprenticeship and can work independently. Journeyman plumbers are able to install and repair plumbing systems in both residential and commercial settings.

Journeyman plumbers must have a thorough understanding of local building codes and regulations. They must be able to read blueprints and drawings in order to install plumbing systems properly. Journeyman plumbers also need to have strong problem-solving skills so that they can troubleshoot issues that arise during installation or repair.

In order to become a journeyman plumber, someone must first complete an apprenticeship. Apprenticeships typically last four years, during which time the apprentice will learn all the skills necessary to become a journeyman plumber. Once the apprenticeship is complete, the journeyman plumber will take a state-licensed exam in order to become licensed.

Licensed journeyman plumbers are able to work independently, but they may also choose to work for a plumbing contractor or company. Journeyman plumbers who work for contractors or companies may be responsible for supervising apprentice plumbers or other employees.

Journeyman plumbers who wish to further their careers can choose to become master plumbers. A master plumber is a tradesperson who has completed a journeyman plumber apprenticeship and has also passed a state-licensed exam. Master plumbers are able to work independently and can also supervise other employees, including journeyman plumbers and apprentices.

Apprentice plumber

An apprentice plumber is someone who is learning the trade through on-the-job training. Many apprenticeship programs last four years and include both classroom instruction and hands-on experience. During their apprenticeship, apprentice plumbers learn how to install and repair pipes, fittings, and fixtures associated with heating, water, and drainage systems.

Apprentice plumbers typically work under the supervision of a journeyman or master plumber. Journeyman plumbers have completed an apprenticeship and have the necessary skills to perform most plumbing tasks independently. Master plumbers are experienced plumbers who have passed an advanced examination and can design plumbing systems.

Apprentices, journeymen, and master plumbers are all licensed by the state in which they work. The requirements for licensure vary from state to state but usually involve completing an accredited training program and passing an examination.

Commercial plumber

A commercial plumber is a licensed professional who is trained and experienced in the installation and maintenance of plumbing systems in commercial buildings. Commercial plumbers are responsible for repairing and maintaining pipes, fixtures, and other plumbing equipment in office buildings, factories, hospitals, and other large institutions.

They may also be responsible for the installation of new plumbing systems in new construction projects.

Commercial plumbers must have a valid journeyman or master plumbing license from the state in which they work. In addition to their formal training, commercial plumbers must also complete on-the-job training under the supervision of a licensed journeyman or master plumber.

After completing their training, commercial plumbers must pass an examination administered by the state licensing board to earn their license.

Commercial plumbers are required to have liability insurance and workers’ compensation insurance. They should also be bonded to protect their customers from any damage that may occur as a result of their work.


What is the definition of a master plumber?

A master plumber is a professional who has been certified by the state to install and repair plumbing systems. A master plumber must have at least five years of experience and pass a written exam.

Is becoming a plumber worth it?

There are a few things to consider when thinking about becoming a plumber.

– First, think about whether or not you have the necessary skills. Plumbing requires both practical and technical skills. You need to be able to use tools and equipment safely and efficiently, as well as have a good understanding of how plumbing systems work.

– Second, consider the job outlook for plumbers. The demand for qualified plumbers is expected to grow in the coming years, so there should be plenty of job opportunities available.

– Finally, think about how much money you can expect to earn as a plumber. Plumbers typically earn good salaries, so you can expect to earn a comfortable living if you become a qualified tradesperson.

What are the pros of being a plumber?

There are many pros to being a plumber. Some of these include:

– Good pay: The median hourly wage for plumbers is $25.43, which is much higher than the national average of $17.09.

– Job security: Plumbing is a trade that will always be in demand as long as there are buildings and homes that need plumbing systems.

– Good benefits: Many plumbing companies offer good benefits packages to their employees, including health insurance and retirement savings plans.

– Flexible hours: Many plumbers are self-employed and can set their own hours, which can be very flexible.

– Physical work: If you enjoy working with your hands and being active, plumbing can be a great career choice for you.


There are many different types of plumbing certifications that you can get, depending on your experience and qualifications. The most common type of certification is the journeyman plumbing certification, which allows you to work independently. If you want to obtain plumber certification, contact



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