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Plumber Assistant Jobs in Riverside, CA (NOW HIRING)

B&E Plumbing

Apprentice Plumber

Irvine, CA · On-site

$18 - $22/hr

Install rough-in plumbing for residential or commercial builds (tub showers, toilet flanges, drain lines). 2. Maintenance & Troubleshooting * Assist in diagnosing and resolving plumbing issues ...

All City Plumbing & Air

Be Seen First

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 ...

Department of State Hospitals

PLUMBER I

Patton, CA · On-site

$5.4K - $6.5K/mo

... assistants as assigned. Duties may include: * Installing, maintaining, repairing, and modifying ... Plumber I Exam Bulletin . Applicants that meet the recruitment criteria should submit an ...

Aerotek

Plumber/General Construction Worker

Fontana, CA · On-site

Plumber/General Construction Worker - Trailer Refurbishment and Inspection (Fontana) This role ... Use and operate a floor buffer to clean and finish trailer floors. * Assist and train with service ...

CBRE

Service Plumber

Riverside, CA · On-site

$72K/yr

Ensure waste and vent lines are in good operating condition using a plumber's snake, vacuum plunger, or jet washer. * Assist other staff members or contractors on projects or equipment installations.

Volarify

Apprentice Plumber (ID# 662)

Riverside, CA

$16 - $23/hr

Key Responsibilities * Assist Journeyman and Master Plumbers with the installation, repair, and maintenance of plumbing systems including pipes, fixtures, drains, sewers, and water heaters * Perform ...

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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 Aug 28, 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.

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 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:

Plumber Assistant jobs near you
Infographic showing various Plumber Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 72% Full Time, 23% Part Time, 1% Temporary, and 3% 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

Rancho Cucamonga, CA • On-site

Superior Electrical, Mechanical & Plumbing, Inc.
Construction • 201 - 500 employees
Learn more about Superior Electrical, Mechanical & Plumbing, Inc.external

$20 - $24/hr

Full-time

Medical, Retirement, PTO

Posted 13 days ago

Job description

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

  • Monday - Friday 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

 Superior Electrical, Mechanical, and Plumbing, Inc. does not accept unsolicited resumes or outreach from third-party recruiters or agencies. Unsolicited emails, calls, or submissions will not be considered. 

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