Plumber Resume Certifications

If your resume’s missing certifications, you might as well list “unicorn tamer” under skills—they’re just as believable. Certifications prove you know your elbows from your pipe wrenches. In this article, you'll discover which plumbing certificates actually matter and how slipping them onto your resume can make hiring managers do a double take.
How Certifications Boost Your Plumber Resume
A certification can sling a plumber’s reputation miles ahead, turning silent mistrust into instant confidence for both customers and employers. It blares proof of real, hard-won know-how—no empty claims, just tested skill. These badges of expertise also shape the pecking order when jobs are scarce; the certified hands tend to draw the eye first. In a crowded field, they’re not just another name—they’re a safe bet.

Adding a certifications section to your resume can really boost your chances, especially for plumbing jobs where proof of your skills and licenses matters most.
Must-Have Certifications for Plumber
- Journeyman Plumber License – Shows foundational mastery of plumbing systems and legal eligibility to work unsupervised, often required by state law.
- Master Plumber License – Recognizes advanced expertise and experience, allowing the holder to run a plumbing business and supervise others.
- EPA Section 608 Certification – Essential for plumbers who handle refrigerants, demonstrating compliance with federal environmental regulations.
- Medical Gas Piping Certification (ASSE 6010) – Proves specialized competence in installing medical gas and vacuum systems, critical for healthcare projects.
- Backflow Prevention Assembly Tester Certification – Validates skill in installing and maintaining backflow prevention devices to protect public water supplies.
- Green Plumber Certification – Demonstrates knowledge in sustainable, water-saving plumbing practices appealing to eco-conscious clients and employers.
- OSHA Safety Certification – Highlights essential awareness of job site safety and hazard prevention, important for all construction and plumbing roles.
DO'S
- Do list current and relevant plumbing certifications near the top of your resume.
- Do include the official certification name and the issuing organization.
- Do mention the expiration date if the certification is time-limited.
DON'TS
- Don't list expired or irrelevant certifications.
- Don't clutter the resume with obscure acronyms.
- Don't exaggerate or fabricate your credentials.
Pro Tip: Slapping your most relevant plumbing certifications at the top of your resume yanks a hiring manager’s attention straight to what matters, letting them know you’ve actually got the skills to sweat pipes and wrangle wrenches without them having to dig around for proof.