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TRUSTED BY BEAVERTON, OR HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon17
    Verified earthquake retrofitting services reviews

Find Earthquake retrofitting specialists in Beaverton

Avatar for TerraFirma Foundation Systems

TerraFirma Foundation Systems

7700 N Old Highway 99
5.00(
7
)
Approved Pro

TerraFirma Foundation Systems

7700 N Old Highway 99
5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
42 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.

"They were great. They had a great communication. They exceeded our expectations."

Rachel K on February 2021

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.

"They were great. They had a great communication. They exceeded our expectations."

Rachel K on February 2021


Avatar for TerraFirma Foundation Systems

TerraFirma Foundation Systems

13110 SW Wall Street
4.55(
218
)
Approved Pro

TerraFirma Foundation Systems

13110 SW Wall Street
4.55(
218
)
Approved Pro
Customers say: Super punctual
90 local quotes requested
20 years of experience

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.

"I hired TerraFirma Foundation Systems to level my home, expecting a professional job with clear communication, but the entire experience has been incredibly disappointing and costly. From the start, I hired the company to level the floors in my home, specifically to address a nearly 3-inch dip in my kitchen area, a 13x10 room. Yet after they “completed the job,” I still have a 1.5-inch dip in the center of the kitchen, and a corner of my home/kitchen that sits half an inch higher than it should be (above 0%), creating a full inch rise from the living room to the kitchen. Now they’re saying that leveling the kitchen wasn’t included in the original scope, blaming the remaining dip on my kitchen island and fridge being “too heavy” and lacking proper support—an issue they failed to identify in the initial assessment. To properly address this problem, they’re now asking for an additional $7,500, claiming this work was never part of the original job. This feels like a classic bait-and-switch tactic, and I can’t help but feel taken advantage of. To make matters worse, I discovered that they used an uncalibrated machine during the initial leveling when installing, which raised my house over an inch more than necessary, causing significant damage that wasn’t there before. Partway through the lift, they even asked me to sign a waiver to get my house closer to 0% level, effectively absolving them of any damage caused. The technician stopped mid-lift to show me the damage that was already occurring and warned that more would likely follow if we continued. I agreed to proceed, trusting their assurances and assuming their equipment was properly calibrated. I even pointed out to the technician at the time that it did not look level, and he assured me the machine was correct. Now, they refuse to take any responsibility for the resulting damage, dismissing it as “standard” and providing terms within the contract absolving them—despite them overcorrecting the home. There were also repeated measurement discrepancies, with reports showing one reading and verbal statements/emails suggesting different levels. When I sought clarification, I received vague responses and empty apologies. After all this, and nearly $30,000 invested, my floor remains unleveled. The only resolution TerraFirma Foundation Systems has offered is for me to pay additional money to level the kitchen and to wait for the overcorrected area to “settle naturally”—a process that, according to their technician, could take anywhere from two months to ten years. I hired TerraFirma Foundation Systems to fully level my home, not to leave me with an incomplete job, inconsistent results, and vague promises. If you’re considering foundation work, I strongly recommend looking elsewhere—this company has left me with extensive damage, unexpected costs, and a significant amount of frustration."

Chuck G on November 2024

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.

"I hired TerraFirma Foundation Systems to level my home, expecting a professional job with clear communication, but the entire experience has been incredibly disappointing and costly. From the start, I hired the company to level the floors in my home, specifically to address a nearly 3-inch dip in my kitchen area, a 13x10 room. Yet after they “completed the job,” I still have a 1.5-inch dip in the center of the kitchen, and a corner of my home/kitchen that sits half an inch higher than it should be (above 0%), creating a full inch rise from the living room to the kitchen. Now they’re saying that leveling the kitchen wasn’t included in the original scope, blaming the remaining dip on my kitchen island and fridge being “too heavy” and lacking proper support—an issue they failed to identify in the initial assessment. To properly address this problem, they’re now asking for an additional $7,500, claiming this work was never part of the original job. This feels like a classic bait-and-switch tactic, and I can’t help but feel taken advantage of. To make matters worse, I discovered that they used an uncalibrated machine during the initial leveling when installing, which raised my house over an inch more than necessary, causing significant damage that wasn’t there before. Partway through the lift, they even asked me to sign a waiver to get my house closer to 0% level, effectively absolving them of any damage caused. The technician stopped mid-lift to show me the damage that was already occurring and warned that more would likely follow if we continued. I agreed to proceed, trusting their assurances and assuming their equipment was properly calibrated. I even pointed out to the technician at the time that it did not look level, and he assured me the machine was correct. Now, they refuse to take any responsibility for the resulting damage, dismissing it as “standard” and providing terms within the contract absolving them—despite them overcorrecting the home. There were also repeated measurement discrepancies, with reports showing one reading and verbal statements/emails suggesting different levels. When I sought clarification, I received vague responses and empty apologies. After all this, and nearly $30,000 invested, my floor remains unleveled. The only resolution TerraFirma Foundation Systems has offered is for me to pay additional money to level the kitchen and to wait for the overcorrected area to “settle naturally”—a process that, according to their technician, could take anywhere from two months to ten years. I hired TerraFirma Foundation Systems to fully level my home, not to leave me with an incomplete job, inconsistent results, and vague promises. If you’re considering foundation work, I strongly recommend looking elsewhere—this company has left me with extensive damage, unexpected costs, and a significant amount of frustration."

Chuck G on November 2024


Avatar for SUN DOG CONSTRUCTION

SUN DOG CONSTRUCTION

Mt. Tabor. SE Portland.
4.13(
191
)
Approved Pro

SUN DOG CONSTRUCTION

Mt. Tabor. SE Portland.
4.13(
191
)
Approved Pro
Customers say: Quality work
24 local quotes requested
21 years of experience

We are a seasoned remodeling company joyfully serving Portland since 2004. We have 8-10 full time employees. We have all been working together for years. We only bring people that we know or who come highly recommended to the job site. We use a small group of very reliable licensed subs for plumbing, electrical and HVAC work. We stand behind our work and the work of all of our subs. We do all aspects of Residential Remodeling; Basement, Garage, and Attic Conversions, Additional Dwelling Units. Kitchen and Bathroom Remodels. Basement foundation wall/floor sealing. Decks and Porches, exterior painting, and fences. Flooring, tile, built-ins, stairs, drywall, etc. We also do handy man repairs/jobs...all aspects of home maintenance and repair. We have been a partner in the City of Portland's FIR program (Field Issued Remodeling Permits) for over a decade. CCB LICENSE #: 173347. Call today 5039577559. Website- http://www.sundogconstruction.com

"Excellent! The Sundogs, crew of 3, did a marvelous job of changing my wet and moist basement into a beautiful apartment. Floor was removed and a subcontractor hired to replace the floor after complicated drainage system and sump pumps were installed. Due to the small crew and the complicated problems, it took longer to finish, but I have now a beautiful apartment in my basement. They are dear and honest people who work hard. Thank you Sundogs!"

Margriet H on December 2024

We are a seasoned remodeling company joyfully serving Portland since 2004. We have 8-10 full time employees. We have all been working together for years. We only bring people that we know or who come highly recommended to the job site. We use a small group of very reliable licensed subs for plumbing, electrical and HVAC work. We stand behind our work and the work of all of our subs. We do all aspects of Residential Remodeling; Basement, Garage, and Attic Conversions, Additional Dwelling Units. Kitchen and Bathroom Remodels. Basement foundation wall/floor sealing. Decks and Porches, exterior painting, and fences. Flooring, tile, built-ins, stairs, drywall, etc. We also do handy man repairs/jobs...all aspects of home maintenance and repair. We have been a partner in the City of Portland's FIR program (Field Issued Remodeling Permits) for over a decade. CCB LICENSE #: 173347. Call today 5039577559. Website- http://www.sundogconstruction.com

"Excellent! The Sundogs, crew of 3, did a marvelous job of changing my wet and moist basement into a beautiful apartment. Floor was removed and a subcontractor hired to replace the floor after complicated drainage system and sump pumps were installed. Due to the small crew and the complicated problems, it took longer to finish, but I have now a beautiful apartment in my basement. They are dear and honest people who work hard. Thank you Sundogs!"

Margriet H on December 2024


Avatar for Secure Seismic, LLC

Secure Seismic, LLC

PO Box 2107
5.00(
17
)
Approved Pro

Secure Seismic, LLC

PO Box 2107
5.00(
17
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
9 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

13110 SW Wall Street
4.60(
62
)
Approved Pro

TerraFirma Foundation Systems

13110 SW Wall Street
4.60(
62
)
Approved Pro
Customers say: True professional
88 local quotes requested
20 years of experience

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.

"We needed some posts in our basement replaced with proper footings. TerraFirma was quick to respond and quick to do the work. We are very happy with the result and would recommend."

Nicole C on December 2024

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.

"We needed some posts in our basement replaced with proper footings. TerraFirma was quick to respond and quick to do the work. We are very happy with the result and would recommend."

Nicole C on December 2024


Cascade Seismic, LLC

Unknown
No reviews yet

Cascade Seismic, LLC

Unknown
No reviews yet
Free onsite estimate

We make homes more secure, proving earthquake retrofitting services from start to finish. We visit your home, draw up plans, get them approved by the city, complete the work, and make sure that they pass inspection. We are licensed, bonded, and insured, Oregon CCB License #211369.

We make homes more secure, proving earthquake retrofitting services from start to finish. We visit your home, draw up plans, get them approved by the city, complete the work, and make sure that they pass inspection. We are licensed, bonded, and insured, Oregon CCB License #211369.



GNC Construction

3877 NE Bryant St
No reviews yet

GNC Construction

3877 NE Bryant St
No reviews yet
Free onsite estimate

GNC Construction has a combined total of 40 plus years of experience. We specialize in residential and commercial building. Our staff is experienced in many different trades and we take pride in our craftsmanship and detail. With backgrounds in drywall, steel and wood framing GNC Construction has expanded out to numerous trades. We are certified in steel work, siding, all building trades, painting, plumbing, electrical.

GNC Construction has a combined total of 40 plus years of experience. We specialize in residential and commercial building. Our staff is experienced in many different trades and we take pride in our craftsmanship and detail. With backgrounds in drywall, steel and wood framing GNC Construction has expanded out to numerous trades. We are certified in steel work, siding, all building trades, painting, plumbing, electrical.


Bacharach Construction LLC

-
4.00(
4
)

Bacharach Construction LLC

-
4.00(
4
)
Customers say: Terrific value
11 years of experience

Bacharach Construction LLC is a licensed, bonded and insured General Contractor. Major projects include new construction, remodeling, etc.

"We had a series of problems but the final straw is the brand new front door to our studio hanging off the hinges after less than a year and the owner will not stand behind his work. We have opened a complaint with the BBB and we had to hire another contractor of Angi to fix their incompetent hung door installation."

William S on December 2022

Bacharach Construction LLC is a licensed, bonded and insured General Contractor. Major projects include new construction, remodeling, etc.

"We had a series of problems but the final straw is the brand new front door to our studio hanging off the hinges after less than a year and the owner will not stand behind his work. We have opened a complaint with the BBB and we had to hire another contractor of Angi to fix their incompetent hung door installation."

William S on December 2022


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Earthquake Retrofitting questions, answered by experts

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.

Hearing or feeling vibrations in your house can be unsettling, but there are a few possible causes for a vibrating noise in your wall or floor. Light bulbs and fixtures, circuit breakers, loose pipes, or faulty wiring could all cause vibrations. If you’re not sure what’s causing the vibrations, you can call a contractor to assess your home and narrow down the cause.

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.

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.

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.

By submitting this question, I acknowledge and agree that Angi may publicly display my name, city, state, and question on the website for professionals and others to see.

The Beaverton, OR homeowners’ guide to earthquake retrofitting services

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