Do I need an earthquake gas shut-off valve?

• <div><p>Some cities or states may require you to have an earthquake gas shut-off valve. Your insurance provider may also have requirements for installing this valve. Even if you don’t have to have one by law, it’s wise to have a natural gas plumber install one anyway. These devices can be lifesaving and prevent fires or explosions in the event of a gas leak.</p></div>

How much does it cost to retrofit a house for earthquakes?

• <div><p>Costs vary as much as timelines. The average <a href="https://www.angi.com/articles/how-much-does-earthquake-retrofitting-cost.htm">earthquake retrofit costs</a> between <b>$3,500 and $8,700</b>. However, homes on hillsides, large homes, and those with rooms over garages can cost up to $12,000 or more. Make sure to get a few estimates to compare the cost and services.</p></div>

Top-rated earthquake retrofitting specialists.

Get matched with top earthquake retrofitting specialists in Slater-Marietta, SC

Q: Can I DIY an earthquake retrofit?

• <div><p>It is not advisable to try to retrofit your home without the expertise of a professional. These projects usually require a consultation with a structural engineer and a plumber for any gas-related adjustments. Working with a professional earthquake retrofitting contractor is the best way to ensure that any structural work done to your home will help protect you and your family. </p></div>

Q: How effective is earthquake retrofitting?

• <div><p>A home with proper earthquake retrofitting can sustain minimal damage in earthquakes of <b>up to 7.0 magnitude</b>, although risks are higher based on how close and deep the earthquake is. A home closer to the earthquake epicenter will sustain greater damage, especially if the earthquake is closer to the surface of the Earth, but retrofitting can help minimize the risk of injuries.</p></div>

Q: How do I prevent future damage?

• <div><p>Ensure proper ventilation, fix leaks, and schedule regular pest inspections to protect your property.</p></div>

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Verified Reviews for Earthquake Retrofitting pros in Slater-Marietta, SC

*The Angi rating for Earthquake Retrofitting companies in Slater-Marietta, SC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Earthquake Retrofitting needs.

*The HomeAdvisor rating for Earthquake Retrofitting companies in Slater-Marietta, SC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Earthquake Retrofitting needs.

Last update on December 13, 2025

Reviewed in September 2025
What a great experience we’ve had. Not only was the installation perfect the communication and timely matter was pure excellence. We will definitely be using GSP Electric for more projects in our home. Thanks again Jonathan and Devon!
GSP Electric
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Reviewed in July 2025
So grateful to find this company! Helped us get our waterfall back into working shape and even better is going to help us keep it that a way. Finally someone I can count on. Such good work and amazing to coordinate and communicate with. Thank you thank you!
Toadly Ponds
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Reviewed in March 2025
Excellent service!!! I am so glad I chose him and will continue to work with him for any jobs that I have. He’s very kind, thorough, professional and clean. You can tell he loves what he does. Look no further, I promise you.
Clean Seam Finish LLC
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Reviewed in November 2024
Good business. Professional and honest. 10/10 would recommend.
GCS Solutions, LLC
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Reviewed in October 2024
Expectational services! I would hire Eli and his team again !
The House Painters™ - Greenville
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Reviewed in October 2024
Everything seems to have came out fine. Was very quick to get it all done as well.
Current Electric LLC
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Reviewed in April 2024
Very professional hard working did everything I needed even installed new windows came to work and stayed at it. I would highly recommend them to anyone and plan on using them again
Gmz Renovations LLC
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Reviewed in May 2023
Wonderful experience! Very professional and did an excellent job on my yard.
Southern Concepts Landscaping, LLC
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Reviewed in February 2023
Reasonable prices. Good work . I had a fence installed recently and they did a good job . Thank you I will be contacting them for more work
Brookview Renovations Inc
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Reviewed in January 2023
We reached out to Mickey when we thought our original contractor had fallen through, but we ended up not needing his services. I wanted to leave a review in regards to his customer service - we were in contact immediately and he was able to come out and give us a quote same day. The quote was...
Mickey's Roofing
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Earthquake Retrofitting questions, answered by experts

Some cities or states may require you to have an earthquake gas shut-off valve. Your insurance provider may also have requirements for installing this valve. Even if you don’t have to have one by law, it’s wise to have a natural gas plumber install one anyway. These devices can be lifesaving and prevent fires or explosions in the event of a gas leak.

It is not advisable to try to retrofit your home without the expertise of a professional. These projects usually require a consultation with a structural engineer and a plumber for any gas-related adjustments. Working with a professional earthquake retrofitting contractor is the best way to ensure that any structural work done to your home will help protect you and your family.

A home with proper earthquake retrofitting can sustain minimal damage in earthquakes of up to 7.0 magnitude, although risks are higher based on how close and deep the earthquake is. A home closer to the earthquake epicenter will sustain greater damage, especially if the earthquake is closer to the surface of the Earth, but retrofitting can help minimize the risk of injuries.

Costs vary as much as timelines. The average earthquake retrofit costs between $3,500 and $8,700. However, homes on hillsides, large homes, and those with rooms over garages can cost up to $12,000 or more. Make sure to get a few estimates to compare the cost and services.

Ensure proper ventilation, fix leaks, and schedule regular pest inspections to protect your property.

The Slater-Marietta, SC homeowners’ guide to earthquake retrofitting services

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

See all articles

Angi
•
Oct 22, 2025Oct 22, 2025
How Much Does It Cost to Repair Earthquake Damage? [2025 Data]
Discover how much it costs to repair earthquake damage. Learn about average costs, key factors, and ways to save on earthquake repairs for your home.
Timothy Moore
•
Dec 3, 2025Dec 3, 2025
How Much Does Earthquake Valve Installation Cost? [2025 Data]
A seismic shut-off valve stops the flow of gas during an earthquake, protecting your home from fires and explosions. Here’s what your earthquake valve installation cost will look like.
Angi
•
Nov 4, 2025Nov 4, 2025
How Much Does an Earthquake Retrofit Cost? [2025 Data]
Earthquake retrofit costs vary based on home size, location, and project scope. Learn what impacts your price and how to budget for a safer, more secure home.
Mary Beth Eastman
•
Jul 24, 2024Jul 24, 2024
What You Need to Know About Earthquake Gas Shut-Off Valve Installation
Earthquake gas shut-off valve installation is important for any home in earthquake-prone areas. Explore how they’re installed here.
Mizuki Hisaka
•
Aug 26, 2024Aug 26, 2024
What Is an Earthquake Gas Shut-Off Valve and Do You Need One?
In a seismic event, an earthquake gas shut-off valve could stop gas leaks and save your life. Learn more about its costs, installation, and benefits.
Stephanie Mickelson
•
Jul 23, 2024Jul 23, 2024
Who Should I Hire for Earthquake Retrofitting?
If you live in an older home in an area prone to seismic activity, you likely need to hire a seismic retrofitting company to protect your home from earthquakes.