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Plumber Assistant Jobs in Renton, WA (NOW HIRING)

PBK

Senior Plumbing Designer

Tacoma, WA · On-site

$81K - $106K/yr

... Assist senior engineering staff support in equipment selection through project calculations and equipment research • Assist in the evaluation and equipment selection for the design of plumbing ...

WSP

Senior Plumbing Engineer - Buildings

Seattle, WA · On-site

$118K - $163K/yr

Perform professional plumbing engineering work and conduct research and inspections of proposed and ... assist with laying out installation of equipment, calculating costs and quantities of material ...

WSP

Senior Plumbing Engineer - Buildings

Seattle, WA · On-site

$118K - $163K/yr

Perform professional plumbing engineering work and conduct research and inspections of proposed and ... assist with laying out installation of equipment, calculating costs and quantities of material ...

Stantec

Senior Plumbing Engineer

Lynnwood, WA · On-site

$115K - $158K/yr

Deliver projects across multiple delivery models, including design/bid/build, design assist, design ... Thorough understanding of plumbing engineering systems. * Expertise in an area of concentration ...

Stantec

Senior Plumbing Engineer

Seattle, WA · On-site

$115K - $158K/yr

Deliver projects across multiple delivery models, including design/bid/build, design assist, design ... Thorough understanding of plumbing engineering systems. * Expertise in an area of concentration ...

Stantec

Senior Plumbing Engineer

Seattle, WA · On-site

$126K - $189K/yr

Deliver projects across multiple delivery models, including design/bid/build, design assist, design ... Thorough understanding of plumbing engineering systems. * Expertise in an area of concentration ...

Linden Grove Health Care Center

Maintenance Asst

Puyallup, WA · On-site

$17.50 - $22/hr

You will assist with the operation, repair, and maintenance of boilers, compressors, generators, HVAC systems, electrical and plumbing systems, and other equipment in accordance with federal, state ...

Trans western

Assistant Engineer

Bellevue, WA · On-site

$25 - $30/hr

The Assistant Engineer is responsible for completing work orders, grounds maintenance, painting, caulking, HVAC, plumbing, drywall, electrical and completing maintenance on buildings as needed. Under ...

Transwestern

Assistant Engineer

Bellevue, WA · On-site

$25 - $30/hr

The Assistant Engineer is responsible for completing work orders, grounds maintenance, painting, caulking, HVAC, plumbing, drywall, electrical and completing maintenance on buildings as needed. Under ...

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All JobsPlumber JobsPlumber Assistant JobsPlumber Assistant Jobs in Renton, WA

Plumber Assistant information

See Renton, WA salary details

$13

$21

$32

How much do plumber assistant jobs pay per hour?

As of Jun 10, 2026, the average hourly pay for plumber assistant in Renton, WA is $21.69, according to ZipRecruiter salary data. Most workers in this role earn between $17.84 and $24.09 per hour, depending on experience, location, and employer.

What are plumber assistants?

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 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 some 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 are the most commonly searched types of Plumber jobs in Renton, WA? The most popular types of Plumber jobs in Renton, WA are:
What are popular job titles related to Plumber Assistant jobs in Renton, WA? For Plumber Assistant jobs in Renton, WA, the most frequently searched job titles are:
What job categories do people searching Plumber Assistant jobs in Renton, WA look for? The top searched job categories for Plumber Assistant jobs in Renton, WA are:
What cities near Renton, WA are hiring for Plumber Assistant jobs? Cities near Renton, WA with the most Plumber Assistant job openings:
Plumber Assistant jobs near you
Infographic showing various Plumber Assistant job openings in Renton, WA as of June 2026, with employment types broken down into 1% As Needed, 76% Full Time, 21% Part Time, and 2% Contract. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $45,122 per year, or $21.7 per hour.

Senior Plumbing Designer

PBK

Tacoma, WA • On-site

$81K - $106K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 22 days ago

Job description

LEAF Engineers is a frontrunner for success in providing comprehensive mechanical, electrical and plumbing, technology, and fire protection engineering design services. Our engineers are focused on system performance, reliability, flexibility, and ease of maintenance. Our work typically consists of large commercial projects, primarily award-winning K-12 schools. With an emphasis on teamwork, we reach beyond the traditional MEP approach to solve problems and integrate a more holistic style to our processes. Within LEAF, you will find a fast-paced environment with many opportunities to learn and accelerate your career.
You will aid the engineering team in developing plumbing calculations, plumbing system designs of gas, water, and waste systems.
Your Impact:
• Produce reports/drawings using calculations and specifications for various buildings
• Utilize client requirements and specifications to generate consistent drawings to meet their needs
• Review code related items with engineers to ensure compliance with client requirements and specifications
• Assist senior engineering staff support in equipment selection through project calculations and equipment research
• Assist in the evaluation and equipment selection for the design of plumbing system components and apply standard engineering procedures
• Aid in areas that require consulting on feasibility reports and sustainability analyses
• Work with team to design plumbing systems like sanitary, water, gas, storm, medical gas, fire protection
• Mentor plumbing designers and plumbing engineer/designers on the expectations
Here's What You'll Need:
• Bachelor's degree in Mechanical Engineering or related engineering technology degree preferred
• 6+ years of work experience with an engineering consultant
• Proficient in Revit 2022 and AutoCAD 2021
• Proficiency with Bluebeam
Here's How You'll Stand Out:
• PE Licensed
• Ability to self-assess and command a high level of accuracy
• Strong oral, written, and communication skills
• Excellent time-management and organizational skills
• Project experience in K-12 educational market
Why Join Us?
Eligible employees receive an annual performance bonus depending on LEAF profitability and individual performance. LEAF employees are offered medical, dental, and vision insurance, an employee assistance program, a learning & development program, and an employee referral bonus program. A Health Savings Account (HSA) and Flexible Savings Account (FSA) are available depending upon the employee's choice of health insurance coverage. Employees are also covered by life insurance and long-term disability insurance. Employees may enroll in the 401(k) plan with discretionary matching contributions after eligibility has been met. Employees accrue a minimum of 2 weeks of paid time off during their first year with LEAF and an additional week of paid time off during our winter break (12/26-12/31), 10 days of sick leave, and we observe 8 1/2 holidays. The expected pay range for this position, based on experience, skills, and knowledge applicable to the role is $109,000 to $149,000.

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