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Master Plumbing Jobs in Delaware (NOW HIRING)

Renuity

Licensed Master Plumber

Newark, DE · On-site

$110K/yr

Renuity Master Plumber $110,000/year Renuity, where innovation and excellence drive everything we ... Test plumbing systems for leaks and other problems * Modify length of pipes, fixtures and other ...

Renuity

Licensed Master Plumber

Newark, DE · On-site

$110K/yr

Renuity Master Plumber $110,000/year Renuity, where innovation and excellence drive everything we ... Test plumbing systems for leaks and other problems * Modify length of pipes, fixtures and other ...

Roto-Rooter

Service Plumber

Dover, DE · On-site

$27 - $35/hr

Plumbing: 2 years (Required) License/Certification: * Driver's License (Required) * Journeyman or Master Plumber certification (Preferred) * Plumbing Apprentice Card (Required) Work Location: On the ...

Bayhealth

Master HVAC Mechanic

Dover, DE · On-site

$24.25 - $33/hr

Credential(s): EPA Universal Technician, MASTER LICENSE * Experience: Required: Eight years ... plumbing knowledge. Four years working in healthcare facility maintenance To view a full list of ...

Turnkey Electric

Electrician Apprentice

Georgetown, DE · On-site

$15 - $35/hr

The electrician apprentice's responsibilities include completing all tasks assigned by the master ... Collaborating with construction workers, plumbers, and other crew members. Electrician Apprentice ...

Sobieski

Staff Accountant

Newark, DE · On-site

$54K - $71K/yr

... plumbing and HVAC services with a strong emphasis on customer satisfaction. We believe in three ... Must have excellent computer skills in Excel, Word and Outlook Are you a master problem-solver? Can ...

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All JobsMaster Plumbing JobsMaster Plumbing Jobs in Delaware

Master Plumbing information

See Delaware salary details

$6

$38

$62

How much do master plumbing jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for master plumbing in Delaware is $38.52, according to ZipRecruiter salary data. Most workers in this role earn between $29.62 and $44.52 per hour, depending on experience, location, and employer.

What is a master plumber?

A Master Plumber is a highly skilled and licensed professional who has extensive experience and training in plumbing systems. They are qualified to design, install, maintain, and repair complex plumbing systems in residential, commercial, and industrial settings. Master Plumbers often supervise other plumbers, ensure compliance with plumbing codes, and may run their own plumbing businesses. Earning the Master Plumber designation typically requires passing rigorous exams and meeting years of work experience requirements beyond the journeyman level.

What are the key skills and qualifications needed to thrive as a master plumber, and why are they important?

To thrive as a Master Plumber, you need extensive knowledge of plumbing systems, codes, and regulations, along with a journeyman license and a master plumber certification, typically obtained through apprenticeship and exams. Familiarity with plumbing design software, pipe threading machines, and diagnostic tools is commonly required. Strong problem-solving, attention to detail, and effective communication skills help in managing projects and interacting with clients and teams. These skills ensure safe, code-compliant installations and repairs, as well as successful project completion and customer satisfaction.

What are some common challenges master plumbers face when overseeing large-scale projects, and how can they address them?

Master Plumbers often encounter challenges such as coordinating schedules with multiple trades, ensuring compliance with changing building codes, and managing tight project deadlines. To address these, strong communication and organizational skills are essential, as is staying current with local regulations. Building good relationships with contractors and inspectors, and utilizing project management software, can help keep projects on track and ensure smooth workflow.

What is the difference between Master Plumbing vs Journeyman Plumbing?

AspectMaster PlumbingJourneyman Plumbing
CredentialsRequires a plumbing license, often a master license after experienceRequires a journeyman license, after completing apprenticeship
Work EnvironmentCan oversee projects, supervise apprentices, and handle complex systemsPerforms installations, repairs, and maintenance under supervision
Industry UsageLicensed to run own business, manage projectsWorks for licensed plumbers or companies, gaining experience

Master Plumbing and Journeyman Plumbing are both licensed roles in the plumbing industry. A Master Plumbing license allows individuals to operate independently, supervise projects, and take on complex tasks, while a Journeyman Plumbing license signifies a skilled worker who has completed apprenticeship and works under supervision. The main difference lies in licensing, responsibilities, and independence in the field.

What are popular job titles related to Master Plumbing jobs in Delaware?

For Master Plumbing jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Master Plumbing jobs in Delaware look for?

The top searched job categories for Master Plumbing jobs in Delaware are:

Master Plumbing jobs near you
Infographic showing various Master Plumbing job openings in Delaware as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $80,122 per year, or $38.5 per hour.

Experienced Plumber

New Castle, DE • On-site

Amstel Mechanical Contractors Inc
See more jobs at Amstel Mechanical Contractors Incexternal

Full-time

Medical, Dental, Life, PTO

Re-posted 29 days ago

Job description

Immediate opening for an experienced plumber with minimum of 7 years Residential and Commercial experience, HVAC experience a plus, at our New Castle, DE location. Enjoy working for a family owned and operated company that has been servicing New Castle County and surrounding areas for over 45 years. We are looking for someone who values each customer and employee as an individual not a number. We provide 100% employer paid medical and dental benefits to employees. Other benefits include vacation, paid holidays, short term disability, life insurance, and more.

Requirements for Residential and Commercial Service Plumbing Position:
•Must Have 7 Years Plumbing Experience
 •Professional Demeanor
 •Strong Customer Service Skills 
 •Must Alternate After Hours on Call Shifts
 •Good Driving Record
• Must have current valid Driver’s License
 •Willingness to Learn Company Related Systems
•Ability to complete projects with minimal supervision and/or assistance
• Experience with installation and repair of underground sanitary and water piping system
• Knowledge of plumbing codes
• Attention to detail and ability to perform multiple tasks simultaneously
•Proficiency in mathematics and conversion of measurements
• Journeyman or master’s plumbing license 
• Experience with installation and repair of water treatment equipment, piping and controls
• Experience and ability to install, service, troubleshoot, and repair water heaters including tankless      water heater systems 
• Experience and ability to install, service, troubleshoot, and repair condensing and non-condensing tankless boilers
 
Responsibilities:
 
• Responsible for service and installation of commercial and residential plumbing systems
• Ability to work on septic and commercial sewer systems
• Troubleshoot and diagnose plumbing problems
• Identify the source of a plumbing problem and recommend the best course of action to the customer
• Perform appropriate communication with management, co-workers, and customers
• Communicate clearly with customers and manage expectations
• Leave jobsite neat and clean 
•Thorough  knowledge of plumbing procedures, building codes and safety regulations