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>

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Q: Why do I need earthquake retrofitting?

• <div><p>An earthquake retrofit is essential for safety in an earthquake-prone area. Without proper retrofitting, your home is at risk of sliding off the foundation, shifting, or collapsing.</p><p>You may also require a retrofit if your home was built before 1980 when building codes began requiring reinforcing, bracing, and bolting for new construction. You may not be eligible for insurance to help pay for earthquake-related damages without a retrofit.</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: 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: What Is a gas shut-off valve for earthquakes?

• <div><p>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.</p></div>

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Verified Reviews for Earthquake Retrofitting pros in Surrey, ND

*The Angi rating for Earthquake Retrofitting companies in Surrey, ND 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 Surrey, ND 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 12, 2025

Reviewed in January 2025
I have used them for multiple jobs on multiple locations, they are amazing. They show up on time they get things right and I don’t have to call them back. I’ve had experience with other plumbers that I have to call back and they don’t respond. This one does it right the first time
DRAIN WIZARDS LLC
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Reviewed in December 2024
We recommend highly! Clear understanding of options, our final choices, and our place in their schedule of jobs. Wonderful crew was able to remove and replace shingles in one day. Our other job included replacing 4 windows and 2 glass patio doors. The 2-man team of Will and Mitch was...
Western Products
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Reviewed in June 2024
Very knowlegable and easy to work with.
Black Electric & Sound LLC
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Reviewed in October 2023
Very personable and congenial. Does good work at a fair price.
Ace Plumbing
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Reviewed in July 2023
They did a really good job. I asked a lot of questions but he always answered them happily & promptly. I plan to hire him again for other projects.
Colton's Property Service
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Reviewed in July 2023
He did a very cheap price and did it very well. The
Vu Nguyen's Landscaping
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Reviewed in July 2022
Bath Planet and Your Home Improvement Co. came out to do our tub to shower conversions. The workmanship, install, and value over all was great! Our installer was excellent and very clean. Thank you Brady for coming out to remind us of our warranty and checking out our kitchen.
Your Home Improvement Company
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Reviewed in June 2022
Ramon, Johnny and Tyrus did a very good job installing drain tile and sump pump in our basement. They were very friendly and communicated very well throughout the project. They left the worksite very clean when they left. Would not hesitate to use them again.
Groundworks
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Reviewed in January 2022
Daryl, Johnny and the rest of the crew were great. Arrived on time every morning and when they finished for the day the work site was cleaned. They even skimmed to pool to make sure there was no debris . The project took 3 1/2 days and we couldn't be happier.
In Ex Designs, LLC
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Reviewed in April 2021
They did an excellent job and aera was cleaned up after the job was completed.
American Waterworks
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Earthquake Retrofitting questions, answered by experts

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.

An earthquake retrofit is essential for safety in an earthquake-prone area. Without proper retrofitting, your home is at risk of sliding off the foundation, shifting, or collapsing.

You may also require a retrofit if your home was built before 1980 when building codes began requiring reinforcing, bracing, and bolting for new construction. You may not be eligible for insurance to help pay for earthquake-related damages without a retrofit.

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.

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.

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.

The Surrey, ND 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
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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.
Stacey L. Nash
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Jul 9, 2024Jul 9, 2024
How Long Does Earthquake Retrofitting Take?
Fear not! Steady the shakes, tame the tremors, and get earthquake-ready while we give you a better idea of how long earthquake retrofitting takes.
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.