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

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Last update on November 24, 2025

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Gas Leak Repair questions, answered by experts

Earthquake gas shut-off valves, or seismic gas shut-off valves, are safety devices that attach to your natural gas line. When an earthquake hits, the valve automatically turns off the flow of gas. Earthquake gas shut-off valves can prevent gas leaks, which are especially dangerous after a quake due to the risk of fire and explosion.

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.

It can cost anywhere from $200 to $5,000 to repair a gas line. The cost may vary depending on where the problem is located. For example, if there’s a small gas leak somewhere that’s easy to access, the cost could be on the lower side. On the other hand, repairing buried lines and lines in other hard-to-reach areas will be more expensive.

It’s possible to convert an electric dryer to a gas dryer, but it’s not practical or cost-effective. A pro would need to remove specific components from your electric unit and install parts unique to gas dryers. Rather than going through this time-consuming process, you can remove your old electric dryer and have a pro install a new gas dryer.

No, you cannot plant a tree above a gas line. Tree roots grow and spread over time and can sometimes dent, crack, or penetrate a gas line. Those same roots may also cause accessibility problems for maintenance or repairs. You can generally plant vegetation with non-invasive root systems, low-growing vegetation, and flower beds near gas lines. 

The Mandan, ND 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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