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How Much Does It Cost To Install Or Repair Gas Pipes?

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$257 - $751
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Installing and repairing gas pipes is one of the more labor-intensive and skill-intensive home improvement projects that can be undertaken. While other projects may be worth DIY installation, gas pipe repairs or installs are most definitely better off done by a professional. It deals with highly flammable, potentially deadly gases and requires the right materials and proper procedures. Gas lines must be calibrated for the right BTU levels. Mistakes could lead to leaks or compromise the integrity of the piping, which could lead to explosions and the potential destruction of property.

Reasons for Gas Pipe Repairs or New Installs

New gas lines must be installed if a new appliance such as a gas furnace, water heater or stove is added to a property. Gas lines may also be extended outside for additions like outdoor lighting, grills or other purposes. A gas pipe repair is imperative in the event of a leak, which can be ascertained by a 'rotten-eggs' smell. If this is the case, it is recommended to contact a qualified professional immediately!

One reason many people install new gas pipes is because they are purchasing a new gas appliance. They may want to replace existing electric appliances such as stoves or water heaters with a gas-powered variety. Gas stoves tend to heat food more evenly and be slightly less expensive to power while gas water heaters tend to be slightly more efficient as well.

Gas-powered appliances tend to be more efficient and of higher quality, but if a home's infrastructure doesn't have the gas lines to support the install, it must be outfitted beforehand.

Another major project involves upgrading from an oil furnace to a gas furnace, which requires the installation of several different gas pipes including pipes to the manifold and ventilation through the chimney. This project requires a significant amount of time and cash investment, and it is best to discuss with a trusted professional before making plans to undertake it.

Things to Consider When Hiring Someone to Install or Repair Gas Pipes

Depending on the nature of the job, installing or repairing gas pipes may require more or less due diligence on the part of a homeowner. In the event of a simple leak, it may be possible to fix it with the replacement of a single section of pipe. In addition to relatively minor emergency jobs, it is always a good idea to have the entire gas line system professionally inspected every year to make sure that there are no weaknesses or potential areas for leaks.

Other considerations must be taken for larger jobs including digging trenches for outdoor conveyance of gas lines and ensuring that all necessary permits are given by the city or county authorities. A professional-grade plumber or gas line installer will be able to provide drawings and plans for a proposed project, which may then be taken to a third party for a second opinion.

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Factors That Affect the Cost of Installing or Repairing Gas Pipes

There are two aspects of installing and repairing gas pipes: the cost of labor and the cost of materials.

The factors affecting the cost of labor will by and large be determined by location and the technical challenge involved with the project. While minor gas line repairs may be undertaken by jack-of-all-trades plumbers who won't charge as much for labor costs, more extensive gas line installation is likely to require more specialized labor and associated higher costs.

The main factors affecting the cost of materials is the type of pipe being used, which may vary depending on whether the gas line is for propane or natural gas and depending on the type of appliance it is feeding. Another factor involved with gas lines is the decision to extend an existing line or to run a new line back to the manifold. Obviously, extending an existing line will be less expensive because it will require less pipe to be used, but in some cases, that may not be as safe or as effective. It is up to the professional's judgment to determine the best course of action.


The cost of labor for installing or repairing gas lines may range within the standard contractor price, occasionally going into high-end hourly rates. It may cost more than for highly specialized jobs requiring multiple workers or technical expertise. Installing and repairing gas pipes is a dangerous job that requires a lot of knowledge and experience, and this is often reflected in a contractor's estimate. This cost may also vary depending on location.

The cost of materials for installing or repairing gas lines may be slightly more than the cost of standard water-bearing pipes might be. The ultimate cost will depend on considerations such as size and type of pipe material used. This may also vary depending on the location of the pipes in the house.


Installing and repairing gas pipes is not just something that anyone can do with ease. It is a complex process that requires the assistance of a professional. It is possible to install gas lines affordably, and it is also important to ensure that the best job is done to reduce the possibility of leaks or other damages to the house. Before deciding on a contractor for gas pipe installation, it is recommended to ask for references, do research and shop around for different options to make sure that the right decision is being made.

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Quan Phan More than 1 year ago
I had a plumbing out for a quote to dig and connect underground (18" depth)gas from my bbq to the natural gas outlet in the backyard (about 25 feet). he quoted as $1500. not sure if it is too high.
H Johnston More than 1 year ago
i just received an estimate from a highly reputable plumbing company in SoCal to replace almost entire home's gas pipes from meter near street to all in home appliances in the crawl space of a 1944 home. the estimate is near $13K. How do i evaluate such an estimate? i don't have time to get another plumber here. had 3 here already that could not even find the leaks.....thank you
Quan Phan More than 1 year ago
I received an estimate to install underground (18") gas from the outside gas outlet to BBQ grill approx. 25 feet to be about $1500.00 does this sound too high to anyone?
Emanuel Madero More than 1 year ago
I just received an estimate of 1900 to fix a underground gas leak.It is approx 42 feet from start to finish is that a good deal or is it to high in price?
larry ewing More than 1 year ago
reading this gave me more awareness of costs -Thank You
Jeff L More than 1 year ago
These prices sound extremely high, but maybe that is just California. I just had 3 estimates for underground line and above ground line in Washington State Seattle-Tacoma area (October 2016). I was quoted $620 for up to 25' of underground line + $820 for 26-50'. Plus permits. Oh, and none of the three will dig the trench or backfill.
"Standard" gas line (all above ground) is $520 for up to 25' and $720 for 26'-50'.
Jack Potter More than 1 year ago

R&R black Pipe 2 LF, 3 ball valves - brass up to 1/2", New ball valve for laundry, gas dryer, labor to replace ball valves for Hot water heater and shutoff in basement leading to Laundry Room. Total Price $700.00

Natalie Moreno More than 1 year ago
I received an estimate of $1,800 from a licensed plumber in SoCal to dig a trench to replace the outdoor gas line and two valves (one at the gas main, one at the house) on my 1946 home, as well as get all necessary permits by the city and be the liaison with the gas company to get my leak fixed and the gas turned back on. I don't know if that's good or bad, but it's needed. Local gas company informed me they were not at liberty to refer me to any one contractor.
Susan S More than 1 year ago
I found it to be informative since I didn't know anything about the cost. Now I have an idea I can compare it to the estimate I'm waiting for. Thanks
Pamela Brown More than 1 year ago
The information I received was very important for me and my family dealing with gas pipe repair is a matter of life and death I paid a house heating and cooling company $250 to repair a elbow pipe they did... the same day I had to call the gas company. Back to my home bacause it was still a leak so the gas company had to turn my gas back off cause me and my family could have died from the leak!!Thats why Im looking for a company that can repair the problem correctly. 
Patrick Rockwell More than 1 year ago
How can you have a cost range for such varied jobs? There is no context for this pricing. It should be broken out by 1. Install from street 2. Add appliance 3. Repair.
Jeremy Rhodenhizer More than 1 year ago
numbers above need some context.  What is the kind of jobs these refer to.  What is an average hourly wage these guys charge?  What are typical material costs? 
Robert Wood More than 1 year ago
I received an estimate to install gas from the meter to approx. 55 feet stubbing out for the kitchen and another for the grill and was told would be about $3600.00 does this sound high to anyone?
Stephen Forsythe More than 1 year ago
Sounds about $2000 high
Dan Braun More than 1 year ago
Call your local energy company for help

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