What can cause vibrations in a house?

• <div><p>Hearing or feeling vibrations in your house can be unsettling, but there are a few <a href="https://www.angi.com/articles/i-hear-vibrating-motor-sound-my-walls-night-it-my-pipes-or-it-related-air-vents-or-furnace">possible causes for a vibrating noise in your wall</a> or floor. Light bulbs and fixtures, circuit breakers, loose pipes, or faulty wiring could all cause vibrations. If you’re not sure what’s causing the vibrations, you can call a contractor to assess your home and narrow down the cause.</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>

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>

Top-rated earthquake retrofitting specialists.

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Q: Can earthquake retrofitting increase home value?

• <div><p>Earthquake retrofitting can increase your home value, making it a great return on investment. This feature is especially valuable in areas prone to earthquakes. Besides the increased safety value (not only for your family but for the next family who moves in), earthquake retrofitting also helps lower homeowners insurance rates. In addition, having your home earthquake retrofitted can make it easier to get a home loan since they are considered lower risk. </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 Porter, PA

*The Angi rating for Earthquake Retrofitting companies in Porter, PA 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 Porter, PA 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 June 2025
Prompt estimate and job completed when promised. Replaced bad sections of asphalt, filled cracks and seal coated driveway. Extremely courteous crew and great cleanup. I would definitely use them again.
ALBERT'S PAVING
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Reviewed in May 2025
Arrived on time, was very knowledgeable about the project, offered some advice on how to fill in some parts of the stucco that was coming off in addition to painting and making it look like new.
C&N Construction
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Reviewed in December 2024
Travis Kenny was professional and great to work with...they did outstanding work and very efficient
Planet Roof
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Reviewed in December 2024
Best company I ever worked with! Fast, efficient and friendly. My roof is beautiful
Planet Roof
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Reviewed in August 2024
Inside French drain system was installed at a very reasonable price. The workers were respectful, efficient, and cleaned up well. Very satisfied and would hire them again.
Advanced Basement Solutions, Inc.
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Reviewed in June 2024
On time and very professional. Explained everything and got to work. Cleaned up afterwards and showed the before and after pictures.
Bactronix Corp
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Reviewed in January 2024
they were nice and knew what they was doing
West Shore Home Pittsburgh
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Reviewed in August 2023
I hope get rid of bedbugs and a few cockroaches
Terminix
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Reviewed in December 2022
They were prompt and very personable. They worked great together. They left our garage cleaner than when they started. Garage doors look great.
Baker Garage Door
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Reviewed in November 2022
Carlos came to our home soon after contacting us. He was very nice and professional. He explained how the whole process would work. Since we were a small job and they had other jobs in the area they were able to fit us in very quickly! The workers were very nice and worked quickly and...
Perfect Roofing & Siding
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Earthquake Retrofitting questions, answered by experts

Hearing or feeling vibrations in your house can be unsettling, but there are a few possible causes for a vibrating noise in your wall or floor. Light bulbs and fixtures, circuit breakers, loose pipes, or faulty wiring could all cause vibrations. If you’re not sure what’s causing the vibrations, you can call a contractor to assess your home and narrow down the cause.

Earthquake retrofitting can increase your home value, making it a great return on investment. This feature is especially valuable in areas prone to earthquakes. Besides the increased safety value (not only for your family but for the next family who moves in), earthquake retrofitting also helps lower homeowners insurance rates. In addition, having your home earthquake retrofitted can make it easier to get a home loan since they are considered lower risk.

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.

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.

The Porter, PA 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.