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Plumber Assistant Jobs in Riverside, CA (NOW HIRING)

Commercial Plumber

Brea, CA · On-site

$20 - $38/hr

Communicate professionally with customers, team members, and management Apprentice-Specific Responsibilities * Assist Lead Plumbers with installations, repairs, and maintenance * Learn proper use of ...

Commercial Plumber

Brea, CA · On-site

$20 - $38/hr

Communicate professionally with customers, team members, and management Apprentice-Specific Responsibilities * Assist Lead Plumbers with installations, repairs, and maintenance * Learn proper use of ...

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Service Plumber

San Bernardino, CA · On-site

$90K - $190K/yr

Our average plumber makes $100,000+/year (hourly base pay plus bonuses!) * Get paid for your ... Helpers assist on jobs and receive additional training weekly Benefits & Perks: * 401K matching up ...

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Service Plumber

Anaheim, CA · On-site

$90K - $190K/yr

We are extremely busy with on-demand plumbing calls and hiring immediately for our Anaheim & Rancho ... Helpers assist on jobs and receive additional training weekly Benefits & Perks: * 401K matching up ...

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Plumber Assistant information

See Riverside, CA salary details

$12

$20

$30

How much do plumber assistant jobs pay per hour?

As of Jun 11, 2026, the average hourly pay for plumber assistant in Riverside, CA is $20.12, according to ZipRecruiter salary data. Most workers in this role earn between $16.54 and $22.31 per hour, depending on experience, location, and employer.

Can a plumber make $100,000 a year?

Plumber assistants typically do not earn $100,000 annually, as this level of income is usually achieved by experienced plumbers or those who own their own businesses. Factors such as experience, certifications, specialization, and geographic location can influence earning potential in the plumbing industry.

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 number one killer of plumbers?

The leading cause of death among plumbers is work-related accidents, primarily falls from heights, being struck by falling objects, or exposure to hazardous environments. Proper safety training, use of personal protective equipment, and adherence to safety protocols are essential to reduce these risks on the job.

What does a plumber assistant do?

A plumber assistant supports licensed plumbers by preparing work sites, handing tools, and assisting with installations and repairs of plumbing systems. They may also help with measuring, cutting pipes, and cleaning work areas, often working under supervision and using basic plumbing tools. This role provides foundational experience for a career in plumbing and may require knowledge of safety procedures and physical stamina.

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.

Is 30 too old to become a plumber?

Plumber assistants can start at any age, including 30, as the role primarily requires physical ability, basic skills, and often a willingness to learn on the job. Many employers value experience and reliability over age, and training programs or apprenticeships are available for adults entering the trade.

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 Riverside, CA? The most popular types of Plumber jobs in Riverside, CA are:
What are popular job titles related to Plumber Assistant jobs in Riverside, CA? For Plumber Assistant jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Plumber Assistant jobs in Riverside, CA look for? The top searched job categories for Plumber Assistant jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Plumber Assistant jobs? Cities near Riverside, CA with the most Plumber Assistant job openings:
Infographic showing various Plumber Assistant job openings in Riverside, CA as of June 2026, with employment types broken down into 1% As Needed, 76% Full Time, 21% Part Time, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $41,850 per year, or $20.1 per hour.

Plumbing Estimator Assistant

Superior Electrical Mechanical & Plumbing, Inc.

Rancho Cucamonga, CA • On-site

$20 - $24/hr

Full-time

Medical, Retirement, PTO

Posted 15 days ago


Job description

Job Type
Full-time
Description
Superior Electrical, Mechanical, and Plumbing, Inc. is a trusted provider of commercial trade services, supporting new construction, tenant improvements, and a wide range of service projects. We are currently seeking a Plumbing Estimator Assistant to support the estimating team in preparing service estimates under the guidance of department management.
The ideal candidate will have understanding of commercial plumbing systems, materials, and applicable codes, along with experience contributing to accurate and competitive estimates for service work. In this role, you will assist in developing project estimates and change orders for a variety of commercial service projects.
Schedule
  • Sunday - Thursday 8 a.m. to 4:30 p.m.

Responsibilities
  • Interpret and review blueprints, project schematics and/or specifications to determine material and labor requirements
  • Prepare and submit plumbing proposals within the scope of commercial projects under the direction of management
  • Reference pricing quotes from internal departments, suppliers and subcontractors
  • Process a high volume of data entry to maintain and update estimating software and databases
  • Learn and apply new industry trends, materials, and best practices into estimates
  • Assist with processing commercial estimates for the maintenance department
  • Will be assigned additional clerical duties as needed to support the department

Requirements
  • Minimum of one year of recent experience in estimating commercial plumbing projects or similar industry
  • Proficient knowledge of commercial plumbing systems, materials, and installation methods
  • Knowledge of local and national plumbing codes and regulations desired
  • Proficient utilizing estimating software and Microsoft Office Suite
  • Proficient alpha-numeric data entry with the ability to type a minimum of 40 WPM

About the Company
Superior Electrical, Mechanical & Plumbing, Inc. is a commercial service and construction company with over 20 years of experience delivering high-quality electrical and plumbing solutions across California and other states. Our team is committed to reliability, safety, and strong customer partnerships while supporting projects that keep businesses and facilities running efficiently.
Benefits
Superior EMP offers competitive compensation and a benefits package that includes:
  • Medical insurance
  • Employee-only 401(k) retirement contributions
  • Supplemental insurance options
  • Paid sick leave and vacation time
  • Opportunities for professional development and career growth

Salary Description
$20 to $24 per hour DOE