Should a plumber be licensed and certified to install gas lines?

• <div>Yes, most states require a plumber to be licensed, and for good reason. Hiring an unlicensed plumber could lead to poor quality work, costly future expenses, and potential code violations. Check our <a href="https://www.angi.com/angi-license-check.htm">state licensing tool</a> to review the local plumber guidelines.As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification, which include:<ul><li>The owner, principal, or relevant manager passed a criminal background check</li><li>Required to have applicable state and local licenses</li><li>Maintain an average star rating of 3.0 or better on our network, if they have at least one review</li><li>Paying to advertise their services</li><li>Meeting any other eligibility criteria required by Angi</li></ul>Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.</div>

What do gas plumbers do?

• <div>Most likely, a gas plumber would be the best pro for many components in your home, and you might not even realize it. Natural gas plumbers are responsible for maintaining and <a href="https://www.angi.com/articles/who-installs-or-runs-gas-line.htm">installing natural gas lines</a>, including installing appliances that use natural gas. These can include:<ul><li>Fireplaces</li><li>Water heaters</li><li>Furnaces</li><li>Hot tubs</li><li>Clothes dryers</li><li>Ovens</li><li>Outdoor grills</li></ul>Gas plumbers are also the pros that would handle a natural gas leak in your home, so it's essential to know the signs of a gas leak before it becomes a dangerous situation. </div>

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Last update on November 27, 2025

Reviewed in June 2025
I have had John out multiple times to install gutters on several of my personal properties, and he gets it right every time. We have also worked together to correct drainage issues on both residential and commercial projects. John is my go-to gutter guy? reliable, efficient, and always delivers...
Texas Firefighter Gutters
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Reviewed in February 2024
José and his crew were amazing and did such a beautiful job! They revamped flower beds, installed drain lines, built an island bed, and dug a burn pit for us. They worked nonstop and did a wonderful clean-up at the end. We will most definitely use them again!
Heritage TX Landscaping
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Reviewed in November 2023
Ryan and Shawn were very friendly and professional. They answered all of my questions and concerns. They also went over everything regarding my new door install. Very satisfied with customer service and install! Thank you gentlemen! The Gilbertâ s!
West Shore Home Dallas
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Reviewed in October 2023
We had vinyl flooring installed throughout our house. The crew removed the old carpet, baseboards and some tile. They installed new baseboard and flooring. Javier's crew did a FANTASTIC JOB! The price was very reasonable, and it was easy to communicate with Javier. We were told what time the...
Monteros Hardwood Flooring
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Reviewed in March 2022
They installed an irrigation system in my yard. They were great to work with. We are pleased with the outcome.
Rubio Landscape & Maintenance
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Reviewed in November 2021
John does a great job, have used him several times. Installed lighting, an exhaust an heater in bathroom. Installed tranfer switch for generator and instruction us how to use. Great Job John
LBB Electric
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Reviewed in August 2020
They did a good job. They installed it properly.
Ed's Window and Gutter Cleaning
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Reviewed in November 2016
Installed retaining wall and brick patio. Excellent job. Everything looks great. Great value. I would highly recommend.
Doss Landscaping
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Reviewed in April 2015
All of the work performed with the exception of the cabinet hardware they installed was a complete disaster. The granite on the bar area had to be removed and reinstalled because they did not cut it correctly at the angles, and it was not leveled. They fixed this but still is not leveled...
Shaw Company Painting & Remodeling
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Reviewed in June 2013
Provider was very professional and offered an excellent deal; I gave the info to my neighbors son. He did not use but purchased and installed the mechanism himself.
ROCKWALL GARAGE DOOR
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