Are seismic gas shut-off valves required in California?

• <div><p>Almost all new buildings in California need an earthquake shut-off valve. The requirements for an earthquake gas shut-off valve (and who can install it) depend on where you live. For example, according to the <a href="https://codelibrary.amlegal.com/codes/los_angeles/latest/lamc/0-0-0-186081">Los Angeles Municipal Code</a>, you’re required to hire a licensed contractor to install one whenever you build, sell, or renovate a home. Check with your local building department for your city’s laws on installing, permitting, and inspecting earthquake shut-off valves.</p></div>

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Verified Reviews for Gas Leak Repair pros in Craig, AK

*The Angi rating for Gas Leak Repair companies in Craig, AK 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 Craig, AK 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 November 29, 2025

Reviewed in March 2020
Yes, Robby was great..had a leak under sink (mobil home..older water lines) and he took time to find right fitting to work. He came same day so that we would have hot water. We will be changing all lines under sink and Robby will be called. His name is in my Repair rolo dex for sure!!!
Arctic Heating and Cooling
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Reviewed in May 2017
Reggie was very professional and explained elements of this system that were new to me. Of greatest importance, Reggie discovered that a gas line compression fitting to our garage heater was loose and leaking. He tightened it and recommended replacement, which we have done.
Discount Mechanical Heating & Plumbing Svc
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Reviewed in April 2017
Well but didn't make sure that gas was at appropriate levels
RELIABLE APPLIANCE
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Reviewed in April 2015
Each time the repairs came to about $1800. The Ford V-10 had been worked on at another shop and turned out running badly afterward. Took it in to Moore and Son's and it gave them fits until they found the spark plug gap was wrong. They would not charge for the extra time it took to find the...
Moore & Son's Automotive
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Reviewed in October 2013
I have Muscular Dystrophy and need special equipment. Like stair climber, and "lift up" chair. I got stuck in my lift up chair when power went out and I had to use the bathroom. I had no way out of my chair without power.. Decided to get generator for the house that come on and operates...
South Central Plumbing & Heating
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Reviewed in July 2013
Elmer was prompt, cleaned up all the debris, and if there are no leaks next winter, I will highly recommend him to others.
Roof Leak Services LLC
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Reviewed in February 2013
One of the reasons we decided to take our jeep here was that my wife's remote start quit working so she stopped by at Quality Tune and they fixed it for free. It just needed re-programming but we didn't know how to do that, and they don't even do remote starts so I think that shows honesty and...
QUALITY TUNE
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Reviewed in January 2013
This was the case where my daughter put her hand through the wallboard of the bathroom, near the toilet. And that is how we discovered we had a leak in a pipe in the wall off the hot water heater to the bathroom sprang a leak. They had a plumber come in and correct the joint that was leaking and...
Taylored Restoration
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Reviewed in December 2012
We had a gas line begin leaking indicated by the smell -- The gas company came out right away to test the system. They shut off the gas until the line could be repaired. Central Plumbing was able to get the job done quickly and efficiently as they replaced the line and connectors. Oh, the...
Central Plumbing & Heating Inc
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Reviewed in December 2012
Nightmare from the get go. Pipes bang, leaks in several places. He would not respond to active leaks. He does not answer calls. He does not correct his mistakes. ****Things happen, you need to correct things when they go wrong******* Had to hire plumbers to redo, refit, and revamp...
Paxton Plumbing & Heating
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Gas Leak Repair questions, answered by experts

Most qualified local plumbers in your area should be able to help with this job. However, it's always best to check with your utility company before starting any gas-related project. Speak with them about your needs and request recommendations for licensed plumbers who can pull permits and properly install the line.

Almost all new buildings in California need an earthquake shut-off valve. The requirements for an earthquake gas shut-off valve (and who can install it) depend on where you live. For example, according to the Los Angeles Municipal Code, you’re required to hire a licensed contractor to install one whenever you build, sell, or renovate a home. Check with your local building department for your city’s laws on installing, permitting, and inspecting earthquake shut-off valves.

In some ways, yes, and in some ways, no. As for how they’re the same, propane and gas both burn via the same process, combustion, and at the same temperature, around 3,600 degrees Fahrenheit. The difference is that propane produces more heat per unit than gas. One cubic foot of propane contains 2,516 BTU, while one cubic foot of gas contains 1,030 BTU.

Comprehensive checks, utilizing proper materials, and immediate leak testing.

In some cases, conversion kits are available, but not all boilers are compatible. Conversion may require significant modifications and should only be performed by a qualified professional. Before making a decision, compare conversion costs to the cost of a complete replacement to determine the most cost-effective and reliable option for your home.

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