
Get matched with top earthquake retrofitting specialists in Seattle, WA
There are 7 highly-rated local earthquake retrofitting specialists.
Need a pro for your earthquake retrofitting project in Seattle, WA?
TRUSTED BY SEATTLE, WA HOMEOWNERS
4.9
Average homeowner rating52
Verified earthquake retrofitting services reviews
Verified Reviews for Earthquake Retrofitting pros in Seattle, WA
*The Angi rating for Earthquake Retrofitting companies in Seattle, WA 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 Seattle, WA 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 November 19, 2025
Find Earthquake retrofitting specialists in Seattle

TerraFirma Foundation Systems
TerraFirma Foundation Systems
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

A-FFIX
A-FFIX
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.

Modern Outdoor Builders LLC
Modern Outdoor Builders LLC
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom 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.
"Professional and on time service. Would recommend to anyone looking for help with their dreams. "
Jesse L on March 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom 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.
"Professional and on time service. Would recommend to anyone looking for help with their dreams. "
Jesse L on March 2025

Stronghome Seismic, Inc.
Stronghome Seismic, Inc.
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

Fine Design Build, LLC
Fine Design Build, LLC
Fine Design Build is a third generation, design-build company. We shepherd our clients, working side by side, with architects and engineers that we have long-standing relationships with, pushing design past traditional scope limitations. We navigate through the challenging permitting, involving shorelines development, ECA steep slope areas, wetlands. Permitting can be a huge challenge particularly on waterfront parcels. We are experts at removing obstacles and creatively designing homes with minimal to zero impact to environment. After designing your home, we shepherd you through the challenging environment of building. We are very selective about our team and in our rare circumstance as a company, the general contractor, is onsite performing a good percentage of excavation, storm water management, septic, concrete, framing and finishes. We have a unique approach with full transparency where money is spent. The customer has their foot on the gas petal/brake throughout the entire build.
"Best contractor ever. At Fine Design Build the service received was like none other, quality, craftsmanship, in both work and design. We will be forever pleased with house build that we received."
Megane D on June 2025
Fine Design Build is a third generation, design-build company. We shepherd our clients, working side by side, with architects and engineers that we have long-standing relationships with, pushing design past traditional scope limitations. We navigate through the challenging permitting, involving shorelines development, ECA steep slope areas, wetlands. Permitting can be a huge challenge particularly on waterfront parcels. We are experts at removing obstacles and creatively designing homes with minimal to zero impact to environment. After designing your home, we shepherd you through the challenging environment of building. We are very selective about our team and in our rare circumstance as a company, the general contractor, is onsite performing a good percentage of excavation, storm water management, septic, concrete, framing and finishes. We have a unique approach with full transparency where money is spent. The customer has their foot on the gas petal/brake throughout the entire build.
"Best contractor ever. At Fine Design Build the service received was like none other, quality, craftsmanship, in both work and design. We will be forever pleased with house build that we received."
Megane D on June 2025

Plantrak Decks, LLC
Plantrak Decks, LLC
Smartdecks LLC has been in business for more than 30 years. Our area of expertise is in installing decks, Timber Frame and post & beam, structural and rot repair. We are a family owned and operated business. We strive to provide reliable and quality service with fair prices. Call us directly at 253-312-2224 to get the fastest response!
"We had Plantrex do a deck resurfaced. After it was in, there was a tenant caused deck fire. Plantrex did an outstanding job on both the original resurface and on the deck repair and restoration after the fire. Cleanup, everything was great."
Robert B on December 2021
Smartdecks LLC has been in business for more than 30 years. Our area of expertise is in installing decks, Timber Frame and post & beam, structural and rot repair. We are a family owned and operated business. We strive to provide reliable and quality service with fair prices. Call us directly at 253-312-2224 to get the fastest response!
"We had Plantrex do a deck resurfaced. After it was in, there was a tenant caused deck fire. Plantrex did an outstanding job on both the original resurface and on the deck repair and restoration after the fire. Cleanup, everything was great."
Robert B on December 2021

ACS - Seattle, LLC
ACS - Seattle, LLC
"Focused on your Satisfaction"-For over 21 years, Communication and Professionalism have been our top priorities. Consistently working hard to make your remodeling project a pleasant experience.
"Overall a good experience. We hired ACS to take down and rebuild a brick pillar supporting our front porch. Gary's crew was excellent. Although they only spoke Spanish they were helpful and did a good job communicating as much as they could about what they were doing and/or had done. We're very happy with the end product. Gary stayed true to his quote and the contract price. The project was more involved than I expected, but they came through and completed it on budget. My only complaint is that Gary was hard to get a hold of at times."
Stephanie S on August 2021
"Focused on your Satisfaction"-For over 21 years, Communication and Professionalism have been our top priorities. Consistently working hard to make your remodeling project a pleasant experience.
"Overall a good experience. We hired ACS to take down and rebuild a brick pillar supporting our front porch. Gary's crew was excellent. Although they only spoke Spanish they were helpful and did a good job communicating as much as they could about what they were doing and/or had done. We're very happy with the end product. Gary stayed true to his quote and the contract price. The project was more involved than I expected, but they came through and completed it on budget. My only complaint is that Gary was hard to get a hold of at times."
Stephanie S on August 2021

Stronghome Siesmic
Stronghome Siesmic
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
Handycraft Construction & Handyman Services
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
Evergreen Seismic
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
The Seattle, WA homeowners’ guide to earthquake retrofitting services
From average costs to expert advice, get all the answers you need to get your job done.
•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.

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.
•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.

Earthquake gas shut-off valve installation is important for any home in earthquake-prone areas. Explore how they’re installed here.

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.

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.
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