Top-rated earthquake retrofitting specialists.

Get matched with top earthquake retrofitting specialists in Milton, WV

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: 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>

Q: If my appliances have gas shut-off valves, do I still need a seismic shut-off valve?

• <div><p>Even if you invested in the <a href="https://www.angi.com/articles/cost-adding-gas-shutoff-valve-built-oven.htm">cost of a gas shut-off valve for your oven</a> and other appliances, it&rsquo;s a good idea to add a seismic shut-off valve as an extra safety measure. </p><p>Gas shut-off valves for appliances are manual, meaning someone has to cut off the flow of gas. This leaves room for error, as you might not be home or might be too distracted to think about gas lines during an earthquake. An earthquake valve is automatic and will protect your home from gas-related disasters in the event of an earthquake.</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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CASTO TECHNICAL SERVICES INC

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CASTO TECHNICAL SERVICES INC

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60 years of experience

Casto Technical Services began in 1965 as a small, family-run company. More than forty five years later, we operate with the same goals - to treat our employees well, to provide our customers honest, reliable advice and service and to offer the industry's best equipment and controls. Casto Technical Services knows that a building's systems are vital to the comfort, productivity and performance of its inhabitants. Casto Technical Services has been setting the standard for providing commercial customers with quality service and installation. Services we provide include: installing new or upgraded HVAC systems and regular or routine maintenance and emergency repairs. Casto Technical Services will provide you with the best service in the region.

Earthquake Retrofitting questions, answered by experts

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.

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.

Even if you invested in the cost of a gas shut-off valve for your oven and other appliances, it’s a good idea to add a seismic shut-off valve as an extra safety measure.

Gas shut-off valves for appliances are manual, meaning someone has to cut off the flow of gas. This leaves room for error, as you might not be home or might be too distracted to think about gas lines during an earthquake. An earthquake valve is automatic and will protect your home from gas-related disasters in the event of an earthquake.

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

The Milton, WV 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.
Mariel Loveland
•
Aug 26, 2025Aug 26, 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
•
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.
Lauren Bongard
•
Aug 21, 2024Aug 21, 2024
Is Earthquake Retrofitting Worth It? Stay Safe and Boost Your Home’s Value
Is earthquake retrofitting worth the cost and time? Learn whether seismic updates are a smart idea for your home and how to do it right.
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.