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TRUSTED BY COLUMBIA CITY, OR HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon11
    Verified earthquake retrofitting services reviews

Find Earthquake retrofitting specialists in Columbia City

Avatar for Secure Seismic, LLC

Secure Seismic, LLC

5.00(
17
)
Approved Pro

Secure Seismic, LLC

5.00(
17
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
2016 years of experience

Our happy and satisfied customers recommend us to their friends and family all the time. We are proud of our reputation and we feel it has been well earned. We are also happy that we can help you feel good knowing that you are working with a reputable company that stands behind its products and services.

"I hired Secure Seismic to do a retrofit of my single story ranch built in the 1970s. Though I'm in the southern Willamette Valley and a ways from Portland, Daryl came down to give me a free estimate. Secure Seismic came in below their competitors and Daryl discusssd the plan with me in depth. Based upon the quality of the reviews, I hired Secure Seismic. They scheduled out within a couple of weeks. Johny the foreman kept me on the loop while they were at my house. They completed the job within a day and left the site clean. Pieces of drywall cut for access in the garage were thoughtfully replaced and will take little effort to clean up. Thanks for great work! I already sleep a little better knowing that my house will likely be okay when the big one hits."

Michael S on April 2024

Our happy and satisfied customers recommend us to their friends and family all the time. We are proud of our reputation and we feel it has been well earned. We are also happy that we can help you feel good knowing that you are working with a reputable company that stands behind its products and services.

"I hired Secure Seismic to do a retrofit of my single story ranch built in the 1970s. Though I'm in the southern Willamette Valley and a ways from Portland, Daryl came down to give me a free estimate. Secure Seismic came in below their competitors and Daryl discusssd the plan with me in depth. Based upon the quality of the reviews, I hired Secure Seismic. They scheduled out within a couple of weeks. Johny the foreman kept me on the loop while they were at my house. They completed the job within a day and left the site clean. Pieces of drywall cut for access in the garage were thoughtfully replaced and will take little effort to clean up. Thanks for great work! I already sleep a little better knowing that my house will likely be okay when the big one hits."

Michael S on April 2024


Avatar for TerraFirma Foundation Systems

TerraFirma Foundation Systems

4.63(
66
)
Approved Pro

TerraFirma Foundation Systems

4.63(
66
)
Approved Pro
Customers say: True professional
2005 years of experience
Free onsite estimate

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.

"Awesome crew. Work was done as promised and house is now secure and level."

JoAnn T on November 2025

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.

"Awesome crew. Work was done as promised and house is now secure and level."

JoAnn T on November 2025


Avatar for J.S. Chappell LLC

J.S. Chappell LLC

New on AngiNew on Angi
Approved Pro

J.S. Chappell LLC

New on AngiNew on Angi
Approved Pro
2022 years of experience
Free onsite estimate

We offer a full service one stop shop… From Dust to drapes we cover everything in between. We are leaders in Residential New Construction and Home Renovations, New Development, Decks, Sheds, Shops, Additions. Our services also include our Commercial Remodeling side, no job too big or to small we’re here to be a pillar in our community and grow in the right direction. We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers 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 offer a full service one stop shop… From Dust to drapes we cover everything in between. We are leaders in Residential New Construction and Home Renovations, New Development, Decks, Sheds, Shops, Additions. Our services also include our Commercial Remodeling side, no job too big or to small we’re here to be a pillar in our community and grow in the right direction. We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers 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.


Avatar for NW Seismic

NW Seismic

4.84(
93
)

NW Seismic

4.84(
93
)
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

We are a family-owned business whose mission is to create a more seismically prepared Portland. In designing and implementing a retrofit plan tailored specifically to our client's homes, we hope to shorten the recovery time for Portland after the next Cascadia subduction earthquake. Our work is calculated to strengthen homes to a degree in which homeowners can shelter in place after a moderate-to-high seismic event.

"NW Seismic made a very easy process for estimating and installation. Their drywall and plaster work was particularly well done. They also made some excellent recommendations regarding natural gas shut-offs and securing our water tank. Very professional from beginning to end. Would hire again anytime."

Mikel M on January 2022

We are a family-owned business whose mission is to create a more seismically prepared Portland. In designing and implementing a retrofit plan tailored specifically to our client's homes, we hope to shorten the recovery time for Portland after the next Cascadia subduction earthquake. Our work is calculated to strengthen homes to a degree in which homeowners can shelter in place after a moderate-to-high seismic event.

"NW Seismic made a very easy process for estimating and installation. Their drywall and plaster work was particularly well done. They also made some excellent recommendations regarding natural gas shut-offs and securing our water tank. Very professional from beginning to end. Would hire again anytime."

Mikel M on January 2022




WESTERN CONSTRUCTION SYSTEMS

4.85(
26
)

WESTERN CONSTRUCTION SYSTEMS

4.85(
26
)
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

Not a franchise, Family owned and operated since 1987. CCB# 94222, Serving the entire NW. FREE Estimates/ Inspections. Western Construction Systems LLC. is a locally owned, family owned and operated specialty construction company serving the entire north-west. WCS LLC. Prides its self in high quality work which is micro-managed by highly trained crews to ensure the highest level of confidant work. WCS LLC. Has also worked internationally in South America and currently has crews in Haiti. We have worked as far south as El Salvador and as far north as Alaska. We are able to attend to small residential job as well as large industrial projects.

"Western Construction Systems came out and did exceptional work at my house! They went above and beyond my expectations! They were friendly, professional, and hard-working! They took care of all the issues that I had concerns with and then some! Their prices were fair, especially for the high quality of work that they did! I know I pestered them with questions, but they were patient every single time. Before I contacted them to have the work done, I had high anxiety about the drainage issues. When they were finished, I felt confident that there were no more issues. Peace of mind is priceless!"

Robyn S on August 2022

Not a franchise, Family owned and operated since 1987. CCB# 94222, Serving the entire NW. FREE Estimates/ Inspections. Western Construction Systems LLC. is a locally owned, family owned and operated specialty construction company serving the entire north-west. WCS LLC. Prides its self in high quality work which is micro-managed by highly trained crews to ensure the highest level of confidant work. WCS LLC. Has also worked internationally in South America and currently has crews in Haiti. We have worked as far south as El Salvador and as far north as Alaska. We are able to attend to small residential job as well as large industrial projects.

"Western Construction Systems came out and did exceptional work at my house! They went above and beyond my expectations! They were friendly, professional, and hard-working! They took care of all the issues that I had concerns with and then some! Their prices were fair, especially for the high quality of work that they did! I know I pestered them with questions, but they were patient every single time. Before I contacted them to have the work done, I had high anxiety about the drainage issues. When they were finished, I felt confident that there were no more issues. Peace of mind is priceless!"

Robyn S on August 2022


SundanceOregon Inc

4.87(
45
)

SundanceOregon Inc

4.87(
45
)
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

Clear Span basement Beams, Earthquake retrofitting, Residential and commercial remodeling. MANY references available, Just ask!

"They were wonderful. They told me everything they were doing. And put interest in what I'm doing in my house."

Patricia A on November 2020

Clear Span basement Beams, Earthquake retrofitting, Residential and commercial remodeling. MANY references available, Just ask!

"They were wonderful. They told me everything they were doing. And put interest in what I'm doing in my house."

Patricia A on November 2020


Avatar for WM. D. Herboth Remodeling Inc.

WM. D. Herboth Remodeling Inc.

4.90(
20
)

WM. D. Herboth Remodeling Inc.

4.90(
20
)
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Herboth Remodeling brings customer's ideas into reality. We have been servicing the Portland Metro area for over 30 years and are family owned and operated. Our expertise in seamlessly combining the new addition with the existing structure gives your home the look and feel of your addition being part of the original structure of your home. Remodel, Repair, and Additions Room additions Kitchen Remodels Bathroom Remodels and repairs Decks & Framing Garage rot repair New Garages Basement remodels Siding & Paint Window and door replacements Duplex addition Rejuvenated Fence Bath Room Rot Repair CCB# 57089

Herboth Remodeling brings customer's ideas into reality. We have been servicing the Portland Metro area for over 30 years and are family owned and operated. Our expertise in seamlessly combining the new addition with the existing structure gives your home the look and feel of your addition being part of the original structure of your home. Remodel, Repair, and Additions Room additions Kitchen Remodels Bathroom Remodels and repairs Decks & Framing Garage rot repair New Garages Basement remodels Siding & Paint Window and door replacements Duplex addition Rejuvenated Fence Bath Room Rot Repair CCB# 57089


Avatar for GreenSavers

GreenSavers

4.61(
28
)

GreenSavers

4.61(
28
)
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

Founded in 2007, GreenSavers is a mission-driven contractor committed to helping people save energy. Start with a home energy audit or consultation for efficient HVAC, insulation, or Milgard windows. GreenSavers stands out as a Certified B Corporation™ and multi-year winner of the U.S. DOE’s ENERGY STAR® Contractor of the Year Award.

"I wish I could give less than 1 star. This company took my money and conducted an audit, and after repeated requests on my end for the results and repeated promises on their end to give the results and a promise of a refund, have yet to do so in the 7+ months since the audit was conducted. This was after a multiple month wait on their wait-list to get the energy audit in the first place. I know this company has stellar reviews, but this has been one of the worst experiences with a business I've ever had."

Gabrien C on June 2022

Founded in 2007, GreenSavers is a mission-driven contractor committed to helping people save energy. Start with a home energy audit or consultation for efficient HVAC, insulation, or Milgard windows. GreenSavers stands out as a Certified B Corporation™ and multi-year winner of the U.S. DOE’s ENERGY STAR® Contractor of the Year Award.

"I wish I could give less than 1 star. This company took my money and conducted an audit, and after repeated requests on my end for the results and repeated promises on their end to give the results and a promise of a refund, have yet to do so in the 7+ months since the audit was conducted. This was after a multiple month wait on their wait-list to get the energy audit in the first place. I know this company has stellar reviews, but this has been one of the worst experiences with a business I've ever had."

Gabrien C on June 2022

Showing 1-10 of 43
Earthquake Retrofitting questions, answered by experts

First, you can expect the project to be loud. If you have pets, you might want to take them to a friend's house during the day so they are not disturbed by any of the loud noises. In addition, you’ll need to provide the retrofit team access to areas of the house that will need to be worked on, meaning you’ll need to relocate personal items, clear clutter, and make pathways for the crew. Once the project is complete, a local building inspector will conduct a final inspection to ensure that the retrofitting is up to code.

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.

Earthquake retrofitting can increase your home value, making it a great return on investment. This feature is especially valuable in areas prone to earthquakes. Besides the increased safety value (not only for your family but for the next family who moves in), earthquake retrofitting also helps lower homeowners insurance rates. In addition, having your home earthquake retrofitted can make it easier to get a home loan since they are considered lower risk.

Many homeowners want to know whether earthquake retrofitting is tax deductible. Because it’s often considered a capital improvement, you usually can’t deduct it. In some cases and locations, you may qualify for tax incentives, but you’ll need to talk to a tax professional or the Internal Revenue Service (IRS) about your specific circumstances. You may also be able to find grant money for seismic upgrades, which can lower the cost of your insurance premiums and save money over time.

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.

The Columbia City, OR 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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