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Verified Reviews for Earthquake Retrofitting pros in Nephi, UT

*The Angi rating for Earthquake Retrofitting companies in Nephi, 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 Nephi, 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 20, 2025

Find Earthquake retrofitting specialists in Nephi

Avatar for A-1 Discount Home Improvement inc.

A-1 Discount Home Improvement inc.

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A-1 Discount Home Improvement inc.

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34 years of experience

When you call, say that you have seen, this ad on angie's list and receive 10% discount on labor costs!!!! We are licensed with the State of Utah,, B-100 and E-100 General contractor license, We do it all, No job is to small!!! Get a FREE ESTIMATE, Just give us a call!!!

When you call, say that you have seen, this ad on angie's list and receive 10% discount on labor costs!!!! We are licensed with the State of Utah,, B-100 and E-100 General contractor license, We do it all, No job is to small!!! Get a FREE ESTIMATE, Just give us a call!!!

Avatar for Castlemenders LLC

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

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.

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.

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.

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.

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 Nephi, 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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