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Plumber Assistant information

See Washington salary details

$13

$21

$33

How much do plumber assistant jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for plumber assistant in Washington is $21.84, according to ZipRecruiter salary data. Most workers in this role earn between $17.98 and $24.23 per hour, depending on experience, location, and employer.

What is a plumber assistant?

Plumber assistants, also known as plumber helpers, support licensed plumbers by performing a variety of tasks on job sites. These duties can include carrying tools, preparing materials, cleaning work areas, and assisting with the installation and repair of plumbing systems. They often help with measuring, cutting, and assembling pipes, as well as troubleshooting basic plumbing issues under supervision. Plumber assistants play an essential role in ensuring plumbing projects run smoothly and efficiently, and the position is often a stepping stone to becoming a licensed plumber.

What are the typical daily responsibilities of a plumber assistant, and how do they support licensed plumbers on the job?

As a Plumber Assistant, your daily tasks usually include preparing and cleaning job sites, transporting tools and materials, and assisting with installing or repairing pipes, fixtures, and other plumbing systems under the guidance of a licensed plumber. You may also be expected to handle basic measurements, cut and prep piping, and help troubleshoot minor issues. By efficiently supporting the lead plumber, you not only ensure projects run smoothly but also gain hands-on experience that can be valuable for career advancement in the plumbing trade.

What is the difference between Plumber Assistant vs Plumber?

AspectPlumber AssistantPlumber
Required CredentialsHigh school diploma or equivalent; on-the-job trainingHigh school diploma or equivalent; apprenticeship or technical training
Work EnvironmentAssist in installation and repair under supervision, often in residential or commercial settingsPerform plumbing installations, repairs, and maintenance independently or with team
Employer & Industry UsageUsed by plumbing companies for entry-level support rolesLicensed professionals performing full plumbing services

The main difference between a Plumber Assistant and a Plumber is experience and responsibility. A Plumber Assistant supports plumbing work under supervision, often with minimal certifications, while a Plumber performs independent work with required licenses and more advanced skills.

What are the most commonly searched types of Plumber jobs in Washington?

The most popular types of Plumber jobs in Washington are:

What are popular job titles related to Plumber Assistant jobs in Washington?

For Plumber Assistant jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Plumber Assistant jobs in Washington look for?

The top searched job categories for Plumber Assistant jobs in Washington are:

What cities in Washington are hiring for Plumber Assistant jobs?

Cities in Washington with the most Plumber Assistant job openings:

What are popular job titles related to Plumber Assistant jobs in WA?

For Plumber Assistant jobs in WA, the most frequently searched job titles are:

Plumber Assistant jobs near you
Infographic showing various Plumber Assistant job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 19% Part Time, 1% Temporary, and 4% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $45,434 per year, or $21.8 per hour.

Commercial Plumbing Apprentice

Constellation Energy

Laurel, MD • On-site

$20.41 - $22.68/hr

Other

Medical, Dental, Vision, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Constellation Energy rating

8.6

Company rating: 8.6 out of 10

Based on 101 frontline employees who took The Breakroom Quiz

12th of 87 rated oil and gas companies

Job description

Who We Are

As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future.

Total Rewards

Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more.

Expected hourly range of $20.41 to $22.68, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

Primary Purpose of Position

The Commercial Plumbing Apprentice will provide support to the Commercial Service operations. Under general supervision of a licensed plumber, the Commercial Plumbing Apprentice will assist with installing, repairing, and maintaining plumbing systems while gaining familiarity with tools, materials, and job site procedures. This role participates in a formal apprenticeship training program designed to prepare individuals to become licensed journeyman plumbers through a combination of on-the-job training, rotational field assignments, and related classroom instruction.

Primary Duties and Accountabilities

  • Maintain company vehicles, tools, and equipment in good working condition.
  • Participate in ongoing technical, safety, and compliance training.
  • Follow all company policies, procedures, and regulatory requirements.
  • Assist with installation, repair, and preventative maintenance of commercial plumbing systems.
  • Support pipe fitting, fixture installation, and system testing under the guidance of licensed plumbers.
  • Assist with water heater, booster pump, and circulation system service as part of training and development.
  • Accurately document work orders, parts usage, and service activities using company systems.
  • Order parts and participate in online and classroom training.
  • Communicate professionally with customers, supervisors, and team members.
  • Support job-site cleanliness, organization, and safety compliance.
  • Work safely and professionally with plumbing tools, equipment, and materials.

Minimum Qualifications

  • Active State Plumbing Apprenticeship License
  • Eligibility to meet Company driving standards, including possession of a valid driver's license
  • Demonstrated ability to communicate clearly and effectively, both orally and in writing
  • Willing and available to work overtime when required
  • Demonstrated basic knowledge of plumbing systems, including water supply, drainage, and gas piping
  • Ability to read and interpret basic drawings, diagrams, and work orders
  • Possess basic math, measurement, and computer skills

Preferred Qualifications

  • Gas Fitter Trainee or Apprentice License
  • Graduate of an accredited vocational or trade school or a 1 year of related field experience
  • Hands-on experience with commercial plumbing systems, drain cleaning, or jetting equipment

What Constellation Energy employees say

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