Are seismic gas shut-off valves required in California?

• <div><p>Almost all new buildings in California need an earthquake shut-off valve. The requirements for an earthquake gas shut-off valve (and who can install it) depend on where you live. For example, according to the <a href="https://codelibrary.amlegal.com/codes/los_angeles/latest/lamc/0-0-0-186081">Los Angeles Municipal Code</a>, you’re required to hire a licensed contractor to install one whenever you build, sell, or renovate a home. Check with your local building department for your city’s laws on installing, permitting, and inspecting earthquake shut-off valves.</p></div>

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Q: Can I stay in my home during earthquake retrofitting?

• <div><p>Generally, the retrofitting process can take two to four weeks. Your contractor will let you know if staying in your home for the entire project is feasible. However, most people are able to remain at home. If your home is undergoing earthquake rehab, it's more likely that you'll need to leave until work is complete. Your earthquake insurance may cover boarding costs if your home is deemed unsafe.</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: How do I prevent future damage?

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

Q: How long does an earthquake retrofit take?

• <div><p>Projects will vary based on size and scope, but an average earthquake retrofit takes between <b>two weeks and two months</b>. This includes the initial evaluation and plan, bidding and contract paperwork, permitting and approval process, actual work, and final inspection. Your contractor should give you a more accurate time estimate for your specific project, and they may be able to estimate how long the permitting process will take for your area.</p></div>

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Verified Reviews for Earthquake Retrofitting pros in East Gull Lake, MN

*The Angi rating for Earthquake Retrofitting companies in East Gull Lake, MN 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 East Gull Lake, MN 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 October 2025
Very fast response. Excellent work on removing trees. From initial contact to job completed, less than one week! Cleaned up ALL debris from the felling of trees. Professional and courteous. We are hiring them again for dirt work/landscaping our back yard. We highly recommend SFC terrain works!
SFC Terrain Works
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Reviewed in June 2025
FM Power Cleaning did an outstanding job on the exterior of our home. They showed up on time, were very efficient, and did an excellent job. Communication was timely and professional. Would highly recommend FM Power Cleaning.
FM Power Cleaning LLC
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Reviewed in May 2025
He has put an air conditioner and a furnace in my house and has done an amazing job both times. He is professional and strives to make his customers happy. I would highly recommend giving him a call for any of your hvac needs.
Ellendale Heating & Cooling, LLC
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Reviewed in May 2025
Trent is an absolute professional. Timely and the jobs looks awesome. Just like we imagined it would
Construction Wholesalers LLC
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Reviewed in September 2024
They are responsible. Very nice people.
Green Kleaning
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Reviewed in August 2024
Great people skills, had an answer for every question, very hard worker and went the extra mile to clean things up and a great job on the whole concrete project. Concrete turned out amazing. I am very happy i went with Kowalczyk concrete
Kowalczyk Concrete
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Reviewed in June 2024
They were great and very easy to work with!
Elite Junk Pros
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Reviewed in March 2024
Jon impressed me from the get-go with his quick response to my initial request for a quote on a small painting job. The quote beat the competition - two of them - and he fit us into their schedule within just a couple of days to complete the job. It turned out great. They even did some extra...
GET FRESH PAINT
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Reviewed in April 2022
Stacey did an excellent job. I am very impressed.
Wier Clean
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Reviewed in October 2021
I hired USA Family Moving two weeks back for my move without really knowing much about them. But they turned out to be quite outstanding. First of all, their customer service was absolutely fantastic, very thorough and genuine. They gave me a very good quote and as I was in a rush they sent...
USA Family Moving, LLC
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Earthquake Retrofitting questions, answered by experts

Almost all new buildings in California need an earthquake shut-off valve. The requirements for an earthquake gas shut-off valve (and who can install it) depend on where you live. For example, according to the Los Angeles Municipal Code, you’re required to hire a licensed contractor to install one whenever you build, sell, or renovate a home. Check with your local building department for your city’s laws on installing, permitting, and inspecting earthquake shut-off valves.

Generally, the retrofitting process can take two to four weeks. Your contractor will let you know if staying in your home for the entire project is feasible. However, most people are able to remain at home. If your home is undergoing earthquake rehab, it's more likely that you'll need to leave until work is complete. Your earthquake insurance may cover boarding costs if your home is deemed unsafe.

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.

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

Projects will vary based on size and scope, but an average earthquake retrofit takes between two weeks and two months. This includes the initial evaluation and plan, bidding and contract paperwork, permitting and approval process, actual work, and final inspection. Your contractor should give you a more accurate time estimate for your specific project, and they may be able to estimate how long the permitting process will take for your area.

The East Gull Lake, MN 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.
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.
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.