Plumber and Pipefitter
Install and fix the pipes that carry water, gas, and waste through a building.
What it pays in the U.S.
Assemble, install, alter, and repair pipelines or pipe systems that carry water, steam, air, or other liquids or gases. May install heating and cooling equipment and mechanical control systems. Includes sprinkler fitters.
Wage figures are 2025 survey data for United States, shown nationally because no state figure was reported. They describe what people in this job earn now, not what any one person will be offered.
Demand in United StatesBright outlook
Employment is projected to change 5% between 2024 and 2034. About 44,000 openings are projected each year. CareerOneStop flags this career for: Rapid Growth.
What the work actually is
- Assemble pipe sections, tubing, or fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, or soldering, brazing, or welding equipment.
- Assemble pipe sections, tubing, or fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, or soldering, brazing, or welding equipment.
- Install underground storm, sanitary, or water piping systems, extending piping as needed to connect fixtures and plumbing.
- Locate and mark the position of pipe installations, connections, passage holes, or fixtures in structures, using measuring instruments such as rulers or levels.
- Inspect structures to assess material or equipment needs, to establish the sequence of pipe installations, or to plan installation around obstructions, such as electrical wiring.
- Install pipe systems to support alternative energy-fueled systems, such as geothermal heating or cooling systems.
Read the full Occupational Outlook Handbook entry from the Bureau of Labor Statistics.
Licensing, by state
Licensing is set by each state, so there is no national answer. Choose a state above to see which licenses it requires for this career, or look one up with the CareerOneStop License Finder.
Certifications employers recognize
These are national certifications, issued by industry bodies rather than a state. Most are optional, but they are how you prove skill to an employer.
Residential Potable Water Fire Protection Certification
International Association of Plumbing and Mechanical Officials · Advanced
Water-Based Fire Protection Certification
International Association of Plumbing and Mechanical Officials · Advanced
Backflow Prevention Assembly Tester
California-Nevada Section of the American Water Works Association · Advanced
STAR Plumber Mastery
National Inspection, Testing and Certification Corporation · Advanced
UPC RESIDENTIAL AND COMMERCIAL PLUMBING INSPECTOR
International Association of Plumbing and Mechanical Officials · Advanced
Medical Devices - Quality Management Systems
International Association of Plumbing and Mechanical Officials · Advanced
Backflow Prevention Cross-Connection Control Surveyor Certification
International Association of Plumbing and Mechanical Officials · Advanced
Infection Control & Water Quality Certification
International Association of Plumbing and Mechanical Officials · Advanced
Plumber Assessment
National Center for Construction Education and Research · Core
Backflow Prevention Assembly Tester Certification
International Association of Plumbing and Mechanical Officials · Advanced
STAR Fire SprinklerFitter Mastery
National Inspection, Testing and Certification Corporation · Advanced
STAR Steamfitting-Pipefitting Mastery
National Inspection, Testing and Certification Corporation · Advanced
Apprenticeships, by state
Registered apprenticeships pay you while you train. Each state runs its own registration office, which is where to start when you want to find an open program.
Choose a state above to see the offices that register apprenticeships there.
Search open programs directly at apprenticeship.gov.
Now find the schools.
4Thought101 tracks the programs that train for this, their deadlines, and what you owe when. This page stays free whether you sign up or not.