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>

Will a seismic shut-off valve save me money on earthquake insurance?

• <div><p>Depending on where you live, your insurance company may require you to have a seismic shut-off valve. It depends on local regulations along with the specific provider. If it’s not a requirement, many providers will offer a discount if you install an earthquake valve, which can save you 5% or more. Contact your provider to learn about potential savings for your plan. </p></div>

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>

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Q: Are brick houses safer in an earthquake?

• <div><p>According to the <a href="https://www.earthquakecountry.org/step4/urmwalls/#:~:text=Houses%20built%20of%20unreinforced%20masonry,and%20the%20roof%20is%20critical.">Earthquake Country Alliance</a>&mdash;a public and private alliance in California that works to improve earthquake and tsunami readiness&mdash;reports that unreinforced masonry, such as stone, bricks, and hollow clay tiles, is more susceptible to earthquake damage. The mortar between bricks isn&rsquo;t as stable as other building materials and methods.</p></div>

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>

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Verified Reviews for Earthquake Retrofitting pros in Chatsworth, IL

*The Angi rating for Earthquake Retrofitting companies in Chatsworth, IL 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 Chatsworth, IL 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 November 2024
I called Recreational Lumberjack and Dale came over in a few days and gave me a quote for trimming lower limbs on 2 trees in my backyard. We scheduled a date and he and "P" came and removed a section of my fence to get their equipment in the backyard. They worked the whole time they...
Recreational Lumberjack, LLC
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Reviewed in November 2024
We got a very prompt estimate in response to our call. Charlie and his crew showed up promptly and right on time to do the work. They did an excellent job, very neat, no paint drips, really nice work. It looks beautiful. We would call Pinnacle Painting again for certain.
Pinnacle Painting
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Reviewed in July 2024
Ken was promp, courteous, knowledgeable, prepaired and the price was right. We previously paid another plumber that didn't repair anything and didn't return to complete job.
Ken White Plumbing
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Reviewed in October 2023
Jonathon was very knowledgeable, fair and did the work quickly and cleaned up after himself. He did a great job with our drywall and also tracked down where water was coming in our basement when it rained, and found the source. He fixed it and several months later we havenâ t had any water...
Best Bloomington Painters
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Reviewed in May 2023
Great guy. Very through. Highly recommend Rex
Rex A Bradfield
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Reviewed in September 2022
Very nice guys! They worked fast and efficient. Owner is very nice and responsive. If I could give a million stars I would!
Bennett Furnace Cleaning
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Reviewed in August 2022
The technician that pumped out our tank was very knowledgeable and provided helpful tips to get the best results from out septic system. The price seemed a little high at first but after considering the insight given by the technician the cost was of good value
Zeschke Septic Cleaning, Inc.
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Reviewed in March 2022
Amazing! I have since had Todd came back 3 other times to do additional rooms. Highly recommend him.
ToddCo Painting
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Reviewed in October 2021
Steve is very knowledgeable and honest. The crew was efficient and professional. The attic insulation has made an immediate improvement in the temperature upstairs. I would highly recommend this company.
Home Comfort, Inc.
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Reviewed in January 2021
The guys from Healthy Homes were awesome. In our initial inspection, Peyton took the time to do a thorough search of our house looking for mold and any potential causes. He crawled all around the attic and crawl space in search of anything he could find which I greatly appreciated. The...
Healthy Homes, LLC
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Find Earthquake retrofitting specialists in Chatsworth

Prizm Companies Inc.

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Prizm Companies Inc.

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2006 years of experience

4+ EMPLOYEES. NO SUBCONTRACTORS. COST IS DETERMINED BY THE JOB. TRAVEL CHARGE OF $ .75/mile and discounted hourly rate.

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.

Depending on where you live, your insurance company may require you to have a seismic shut-off valve. It depends on local regulations along with the specific provider. If it’s not a requirement, many providers will offer a discount if you install an earthquake valve, which can save you 5% or more. Contact your provider to learn about potential savings for your plan.

According to the Earthquake Country Alliance—a public and private alliance in California that works to improve earthquake and tsunami readiness—reports that unreinforced masonry, such as stone, bricks, and hollow clay tiles, is more susceptible to earthquake damage. The mortar between bricks isn’t as stable as other building materials and methods.

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.

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.

The Chatsworth, IL 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.
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.