Overview
What is a Plumber?
A Plumber is a professional working primarily in the Trades sector. Install and repair water, gas and drainage systems in residential and commercial buildings.
This is widely considered a intermediate-level career path, and most motivated learners reach job-readiness in roughly 4-5 years. Hiring demand is currently high, with roles projected to grow about 5% in the years ahead.
Remote and hybrid flexibility for this role is rated Low, which widens the range of employers you can realistically work for.
Certifications that strengthen your profile
You do not strictly need certifications to work as a plumber, but the right ones signal commitment and structure your learning. Recruiters in Trades frequently recognize these:
- Journeyman Plumber License
- Backflow Certification
Salary and career outlook
Demand for plumbers in Trades remains high, with hiring projected to grow roughly 5% over the coming years. Compensation scales with experience, specialization, and location.
Because remote flexibility is Low, you can often access higher-paying markets without relocating.
Advancement usually means deepening expertise, leading projects, and choosing between a senior individual-contributor track or people management.
How to get started
Start with the first step in the roadmap below — Enter a plumbing apprenticeship — then build portfolio evidence of your skills and connect with working plumbers. A focused credential like Journeyman Plumber License can add credibility, but a real project that proves you can do the work matters most.
What a Plumber actually does
Plumbers install and repair water supply, drainage, and gas lines in residential and commercial properties, stopping leaks and ensuring fixtures meet local plumbing codes.
- Solder copper supply lines and glue PVC DWV joints following slope and primer standards.
- Snake mainline stoppages, camera-inspect laterals, and recommend repair versus replacement.
- Set water heaters, expansion tanks, and recirculation pumps with correct venting and seismic strapping.
- Rough-in fixture locations on new construction coordinating with framers and other trades.
- Issue invoices detailing parts used, labor hours, and warranty terms after service calls.
Skills and tools you need
- Plumbing Systems — Assembles supply, waste, and vent stacks tying fixtures to municipal mains or septic fields.
- Pipefitting — Threads black iron gas pipe, presses PEX fittings, and adapts mixed-material transitions safely.
- Blueprint Reading — Locates fixture tags, invert elevations, and isometric riser diagrams on plumbing sheets.
- Safety Codes — Follows backflow prevention, trap seal, and combustion-air rules during water heater replacements.
- Customer Service — Explains repair options, protects floors with drop cloths, and communicates arrival windows accurately.
Learning Roadmap
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1
Enter a plumbing apprenticeship
Paid training with a master plumber
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2
Learn codes and safety
Local plumbing and gas regulations
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3
Complete required hours
Classroom plus field experience
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4
Pass the journeyman exam
Work independently or start a business
Certifications
- Journeyman Plumber License
- Backflow Certification
Career Outlook
- Time to learn: 4-5 years
- Job growth: 5%
- Remote friendly: Low
FAQ
How much do plumbers earn?
Experienced plumbers earn well above average, especially in high-cost areas or when running their own business.
Is plumbing physically demanding?
Yes. It involves lifting, crawling in tight spaces and working in varied conditions, but the trade rewards experience and reliability.
Can plumbers specialize?
Yes. Common specialties include commercial plumbing, pipefitting, gas lines and green-water systems.