Top-rated earthquake retrofitting specialists.

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There are 4 highly-rated local earthquake retrofitting specialists.

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TRUSTED BY CLYDE HILL, WA HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon24
    Verified earthquake retrofitting services reviews

Find Earthquake retrofitting specialists in Clyde Hill

Avatar for TerraFirma Foundation Systems

TerraFirma Foundation Systems

5.00(
8
)
Approved Pro

TerraFirma Foundation Systems

5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
95 local quotes requested

Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.

"Great; competitive price, installation went great, friendly and responsive staff in person and office"

Andrew M on February 2020

Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.

"Great; competitive price, installation went great, friendly and responsive staff in person and office"

Andrew M on February 2020


Avatar for A-FFIX

A-FFIX

New on AngiNew on Angi
Approved Pro

A-FFIX

New on AngiNew on Angi
Approved Pro
35 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience.

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience.


Avatar for Stronghome Seismic, Inc.

Stronghome Seismic, Inc.

4.98(
48
)
Approved Pro

Stronghome Seismic, Inc.

4.98(
48
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

We are a family owned local buisness specializing in home earthquake retrofits. Our goal is to make sure that every family in the Seattle area is earthquake ready. We go through the most rigorous inspection process of our competitors and offer a "job done right' gaurantee. Your home is your biggest investment, know that it and your family are protected, call today for a free no obligation home inspection! (206) 245-5045

"James was an absolute pleasure to work with. We hired him to do earthquake retrofit for our home. He was very kind and answered all the millions of questions we had. Extremely professional and flexible.. I would highly recommend him."

Nathalie S on February 2024

We are a family owned local buisness specializing in home earthquake retrofits. Our goal is to make sure that every family in the Seattle area is earthquake ready. We go through the most rigorous inspection process of our competitors and offer a "job done right' gaurantee. Your home is your biggest investment, know that it and your family are protected, call today for a free no obligation home inspection! (206) 245-5045

"James was an absolute pleasure to work with. We hired him to do earthquake retrofit for our home. He was very kind and answered all the millions of questions we had. Extremely professional and flexible.. I would highly recommend him."

Nathalie S on February 2024


Avatar for Stronghome Siesmic

Stronghome Siesmic

5.00(
9
)

Stronghome Siesmic

5.00(
9
)
Customers say: Quick response

We are a family owned company specializing in earthquake retrofits for homes. We help make sure that your home and family are earthquake safe. We believe that your home should be the safest place, and with over 40 years of combined experience,

"James and company completed a large project on our historic house last year. James went above and beyond to address any concern we had and checked in with daily progress reports. James is an extremely hard worker and I would honestly trust him with my life."

Christopher S on September 2025

We are a family owned company specializing in earthquake retrofits for homes. We help make sure that your home and family are earthquake safe. We believe that your home should be the safest place, and with over 40 years of combined experience,

"James and company completed a large project on our historic house last year. James went above and beyond to address any concern we had and checked in with daily progress reports. James is an extremely hard worker and I would honestly trust him with my life."

Christopher S on September 2025


Handycraft Construction & Handyman Services

No reviews yet

Handycraft Construction & Handyman Services

No reviews yet

A small handyman company with over a decade of residential construction experience. Focused on customer service and quality work, we offer a wide variety of services from basic home repairs to full remodels.

A small handyman company with over a decade of residential construction experience. Focused on customer service and quality work, we offer a wide variety of services from basic home repairs to full remodels.


Evergreen Seismic

5.00(
34
)

Evergreen Seismic

5.00(
34
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Evergreen Seismic, LLC is the Puget Sound's most trustworthy residential earthquake retrofit contractor. Our mission is to provide the highest quality of service, along with the most affordable prices. We take great pride in our work, and customer safety and satisfaction is our number one goal. Our clients demand and deserve excellence and we are committed to meet these expectations each and every time. We offer the experience of hundreds of retrofit installations, along with the highest quality products, valuable design and engineering, and stellar results.

"Matt made the whole process easy. My earthquake retrofit was completed without even entering my home. While they were in there, they spotted a few issues with my foundation, and were able to fix them with just one more day of work. All I had to do was say yes. Above and beyond work."

Josh J on November 2025

Evergreen Seismic, LLC is the Puget Sound's most trustworthy residential earthquake retrofit contractor. Our mission is to provide the highest quality of service, along with the most affordable prices. We take great pride in our work, and customer safety and satisfaction is our number one goal. Our clients demand and deserve excellence and we are committed to meet these expectations each and every time. We offer the experience of hundreds of retrofit installations, along with the highest quality products, valuable design and engineering, and stellar results.

"Matt made the whole process easy. My earthquake retrofit was completed without even entering my home. While they were in there, they spotted a few issues with my foundation, and were able to fix them with just one more day of work. All I had to do was say yes. Above and beyond work."

Josh J on November 2025


EVANS PAINTING & CONSTRUCTION

No reviews yet

EVANS PAINTING & CONSTRUCTION

No reviews yet
45 years of experience

We are a father son company. Thirty plus years in the industry. We have one employee. We sub-contract out work that we don't have time to do or that we are not licensed to do. Our typical billing procedure requires a third down upon contract agreement or before job has started. Free estimates.

We are a father son company. Thirty plus years in the industry. We have one employee. We sub-contract out work that we don't have time to do or that we are not licensed to do. Our typical billing procedure requires a third down upon contract agreement or before job has started. Free estimates.


Seismic ShutOff

5.00(
1
)

Seismic ShutOff

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Seismic Shutoff installs earthquake actuated automatic gas shut-off valves to stop the flow of gas automatically when earthquake activity of magnitude 5.2 or greater occurs. We service the Puget Sound region including Bainbridge and Vashon Islands and Oregon. License #'s WA SEISMSL820NB and OR 223700.

Seismic Shutoff installs earthquake actuated automatic gas shut-off valves to stop the flow of gas automatically when earthquake activity of magnitude 5.2 or greater occurs. We service the Puget Sound region including Bainbridge and Vashon Islands and Oregon. License #'s WA SEISMSL820NB and OR 223700.


Al Lind Co

5.00(
3
)

Al Lind Co

5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

The Al Lind Company has several employees. One, in particular, who specializes in seismic retrofitting homes that have never been or are improperly attached to their foundation. We expect payment weekly based on completion of work.

"Al Lind has deep knowledge and experience in both home inspection and construction. He assessed the situation, explained things thoroughly, and offered more than one solution. One big benefit: he shared the kind of insider knowledge that unknowledgeable people (like me) need to move forward with confidence."

Gail M on August 2018

The Al Lind Company has several employees. One, in particular, who specializes in seismic retrofitting homes that have never been or are improperly attached to their foundation. We expect payment weekly based on completion of work.

"Al Lind has deep knowledge and experience in both home inspection and construction. He assessed the situation, explained things thoroughly, and offered more than one solution. One big benefit: he shared the kind of insider knowledge that unknowledgeable people (like me) need to move forward with confidence."

Gail M on August 2018


Saari Industries

4.00(
2
)

Saari Industries

4.00(
2
)
Customers say: Quick response
12 years of experience

Local, Licensed & Bonded handyman/contractor available to handle all your projects big or small from basic home improvement and repair to full remodels. Quotes over the phone for small jobs. Larger jobs I can come give you a more accurate estimate. Available immediately/truck and tools ready. References available on request.

Local, Licensed & Bonded handyman/contractor available to handle all your projects big or small from basic home improvement and repair to full remodels. Quotes over the phone for small jobs. Larger jobs I can come give you a more accurate estimate. Available immediately/truck and tools ready. References available on request.

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Earthquake Retrofitting questions, answered by experts

Grounding is a great first step to prevent electrical shock, but you can take it further with GFCI outlets and AFCIs (arc fault circuit interrupters). In particular, AFCIs help protect against the type of electrical arcs that cause fires, like if a mouse chews on a wire or your laptop starts overheating at the wall. These are required in some areas of your home.

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.

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.

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.

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 Clyde Hill, WA homeowners’ guide to earthquake retrofitting services

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