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*The Angi rating for Earthquake Retrofitting companies in Lewiston, UT 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 Lewiston, UT 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 17, 2025

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Castlemenders LLC

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Castlemenders LLC

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45 years of experience

Licensed General Building Contractor and active Realtor with Century-21.Home Remodeling Experts! Licensed and insured General Building Contractors since 1980. Utah and California. We build, remodel, and repair homes, condos, and apartment buildings. We buy homes in any condition! We sell, rent, and manage residential properties. We also build small commercial stores, offices, and repair small commercial buildings. Construction management, site inspections, quality assurance and progress reports. Construction defect investigations.

Licensed General Building Contractor and active Realtor with Century-21.Home Remodeling Experts! Licensed and insured General Building Contractors since 1980. Utah and California. We build, remodel, and repair homes, condos, and apartment buildings. We buy homes in any condition! We sell, rent, and manage residential properties. We also build small commercial stores, offices, and repair small commercial buildings. Construction management, site inspections, quality assurance and progress reports. Construction defect investigations.

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.

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.

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.

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.

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.

The Lewiston, UT homeowners’ guide to earthquake retrofitting services

From average costs to expert advice, get all the answers you need to get your job done.

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