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 are common gas line repair costs?

<div>The cost of repairing a gas leak depends on the type of leak, its severity, and how difficult it is for the repair technician to reach it. Some of the most common gas line repair costs, on average, include:<ul><li>Cap a gas line: $75–$150</li><li>Gas system inspection: $150</li><li>Pressure test: $75–$500</li><li>Damaged or corroded pipe: $6–$7 per linear foot</li><li>Repair gas leak: $120–$5,000</li></ul></div>

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Verified Reviews for Gas Leak Repair pros in Jefferson, MA

*The Angi rating for Gas Leak Repair companies in Jefferson, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Gas Leak Repair needs.

*The HomeAdvisor rating for Gas Leak Repair companies in Jefferson, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Gas Leak Repair needs.

Last update on April 02, 2025

Reviewed in December 2012
We had a small gas leak which NStar had located. Called Papalia to get an estimate, as we'd used them before, about 2 years ago. The technician was out the next day, very pleasant. But he could not easily proceed because of where the gas line was. He offered to cut open the cabinet himself,...
Papalia Home Services
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Reviewed in November 2013
I had 3 new kitchen appliances hooked up - a dishwasher, a refrigerator and a gas range. The plumber was on time, professional and did a good job in a nice time frame. There was a water dispenser hook up for the refrigerator, which required finding the water source and switching it on. Myself...
Papalia Home Services
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Reviewed in May 2013
Forced air furnace pre-winter maintenance: Service was on time and very efficient. Also reconnected a humidifier that was disconnected by prior poor service at no charge. Standby generator gas line install: They gave us a first visit late fall for an estimate but waived the estimate fee after...
Papalia Home Services
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Reviewed in August 2024
I highly recommend Mitchell for any plumbing that needs to be done for anybody. He is honest, Also, very neat. And he shows a lot of pride in his work, and I am 73 years old, I have seen a lot of plumbers, some. I will never recommend like daigo plumbing. Stay away from him. But Mitch is number...
Coy Plumbing & Heating
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Reviewed in May 2021
They had to come twice because the only shutoff to the gas for the job was the main, and the gas meters at our condo were not label. In any case, the second time around was the charm and they got everything done quickly and efficiently. The rescheduling of the return visit was quick, too.
Baker Elman Plumbing
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Reviewed in February 2011
I had an emergency repair issue in a condo I own with a tenant, where a gas leak was detected in the elbow fitting to the stove by NStar. I called Baker-Elman that morning and explained the situation, and they scheduled a tech to come within a few hours. As I don't live in the building, I...
Baker Elman Plumbing
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Reviewed in July 2015
This company is top notch. Starts with the office manager Susan, she is very responsive and pleasant, but she also used to work for a plumbing parts distributor, so she is very knowledgeable. David, the owner comes and assesses most jobs and really spends the time to understand any issues...
Baker Elman Plumbing
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Reviewed in November 2011
When our kitchen range was installed as part of a kitchen renovation about five years ago, the gas connection was made before the cabinet work on either side of the stove had been installed. Unfortunately, the gas flex used was too short to allow the range to be pulled out enough for repair...
Baker Elman Plumbing
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Reviewed in November 2014
We wanted to ensure our soon-to-be mobile son could not touch the gas line that the previous owner had installed outside of the gas fireplace. The estimate was done quickly and the work was completed within a weeks time. They plumbers were efficient and courteous. They also cleaned up their work...
Baker Elman Plumbing
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Reviewed in July 2013
Cheryl in the office was very pleasant deciphering what I was asking her to do and coordinating the schedule. Jeff did a great, meticulous job at the house making sure everying was done right and done well. Very pleased with their overall professionalism and capabilities -- would highly...
Baker Elman Plumbing
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Gas leak repair technicians in Jefferson

Gas leak repairs FAQs

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 state licensing tool 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:

The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi

Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.

Fixing a gas leak costs about $45 to $150 per hour for a plumber or gas line specialist. The job’s overall cost will vary depending on the location of the leak. A leaky junction or connection behind the stove or dryer will likely cost about $120 to $170. But for a leak that requires a gas fitter or plumber to excavate a pipe in the yard, the cost could rise to $1,500 to $5,000. Keep in mind that gas leaks are very serious issues, so don’t hesitate to contact a plumber or gas line specialist immediately.

Fixing a gas leak can take anywhere from one to 24 hours, depending on the location and magnitude of the problem. A gas line specialist or gas plumber should be able to give you an estimated time to completion once they evaluate the situation. If your city’s utility company works to fix a gas leak, it will likely have information available about the anticipated time for gas service to be restored.

The cost of repairing a gas leak depends on the type of leak, its severity, and how difficult it is for the repair technician to reach it. Some of the most common gas line repair costs, on average, include:

Cap a gas line: $75–$150
Gas system inspection: $150
Pressure test: $75–$500
Damaged or corroded pipe: $6–$7 per linear foot
Repair gas leak: $120–$5,000

A local natural gas plumber, gas fitter, or gas line specialist should fix gas leaks. Installing gas lines and connections improperly can lead to dangerous gas leaks and explosions. Only a certified plumber or gas line specialist should run gas lines. This is not a job to try out DIY skills, so hire a professional gas plumber or gas line specialist immediately to find the cause of the leak and fix it quickly.

The homeowners guide to gas leak repairs

From average costs to expert advice, get all the answers you need to get your job done.

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