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Verified Reviews for Foundation Repair pros in Seaside, OR
*The Angi rating for Foundation Repair companies in Seaside, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Repair needs.
*The HomeAdvisor rating for Foundation Repair companies in Seaside, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Repair needs.
Last update on November 01, 2025
Find Foundation repair specialists in Seaside
TerraFirma Foundation Systems
13110 SW Wall Street
TerraFirma Foundation Systems
13110 SW Wall Street
Customers say: Super punctual
97 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
John's Waterproofing
219 Airport Rd
John's Waterproofing
219 Airport Rd
Customers say: Super punctual
28 local quotes requested
51 years of experience
Since 1974, John's Waterproofing has been helping the PNW have dry and healthy homes. We specialize in below-grade waterproofing for crawlspaces and basements. In addition to this we also provide radon testing and mitigation, and humidity and mold control. We are proud to offer the best in the industry solutions to your homes waterproofing needs. Cost is determined by the job. CCB#15830 (503) 873-5650 [email protected]
"Chris and Joel were great, they were in and out and our water heater was rewired and sump pump wired in no time at all."
Dawn S on May 2025
Since 1974, John's Waterproofing has been helping the PNW have dry and healthy homes. We specialize in below-grade waterproofing for crawlspaces and basements. In addition to this we also provide radon testing and mitigation, and humidity and mold control. We are proud to offer the best in the industry solutions to your homes waterproofing needs. Cost is determined by the job. CCB#15830 (503) 873-5650 [email protected]
"Chris and Joel were great, they were in and out and our water heater was rewired and sump pump wired in no time at all."
Dawn S on May 2025
TerraFirma Foundation Systems
13110 SW Wall Street
TerraFirma Foundation Systems
13110 SW Wall Street
Customers say: True professional
82 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 had a complete encapsulation of our crawl space and sump pump and humidifier system installed. The young men who did the work were very professional. Antonio was the project manager and he was fantastic. Answered questions, explained the process, and made sure we were ok with what they were doing. They showed up at the time designated and called if they would be late. Communication was very good. Shout out to his helpers, Daniel, Jesse, and Kameron. At the end of the project they cleaned up the workspace and made sure things were left like it was before project. Thanks guys."
Carol F on October 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.
"We had a complete encapsulation of our crawl space and sump pump and humidifier system installed. The young men who did the work were very professional. Antonio was the project manager and he was fantastic. Answered questions, explained the process, and made sure we were ok with what they were doing. They showed up at the time designated and called if they would be late. Communication was very good. Shout out to his helpers, Daniel, Jesse, and Kameron. At the end of the project they cleaned up the workspace and made sure things were left like it was before project. Thanks guys."
Carol F on October 2025
John's Waterproofing Co.
201 Airport Road
John's Waterproofing Co.
201 Airport Road
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
409 local quotes requested
John's Waterproofing Co. is the premier waterproofing company serving in Oregon and southern Washington for almost 4 decades. We Specialize in Basement and Crawlspace Waterproofing and Repairs, we offer free inspections and estimates along with caring customer service. Contact our office today for your waterproofing needs!
"No."
Tracy W on January 2025
John's Waterproofing Co. is the premier waterproofing company serving in Oregon and southern Washington for almost 4 decades. We Specialize in Basement and Crawlspace Waterproofing and Repairs, we offer free inspections and estimates along with caring customer service. Contact our office today for your waterproofing needs!
"No."
Tracy W on January 2025
Green Hills Construction
339 W Niagara Ave
Green Hills Construction
339 W Niagara Ave
Super Service Award
Customers say: True professional
45 local quotes requested
25 years of experience
We are the ONLY seamless, ONE-STOP answer to all of your indoor and outdoor construction needs. Our highly experienced professional staff of experts include General Construction of residential and commercial projects. Our ground up construction company allows for us to remain attentive to details throughout all phases of construction. We can build your dream home or your back yard he/she shed. We can also do a variety of landscapes. We are landscape contractors licensed in all phases, from concrete, irrigation, and grading to plant design and installation. We have over 35 years' experience. Please give Derek Gilliland a call to set up your next project.
"Green Hills was responsive, helpful with the design, started on time, and did high quality work for a fair price. They are at the top of our list for future projects. "
Mac C on October 2025
We are the ONLY seamless, ONE-STOP answer to all of your indoor and outdoor construction needs. Our highly experienced professional staff of experts include General Construction of residential and commercial projects. Our ground up construction company allows for us to remain attentive to details throughout all phases of construction. We can build your dream home or your back yard he/she shed. We can also do a variety of landscapes. We are landscape contractors licensed in all phases, from concrete, irrigation, and grading to plant design and installation. We have over 35 years' experience. Please give Derek Gilliland a call to set up your next project.
"Green Hills was responsive, helpful with the design, started on time, and did high quality work for a fair price. They are at the top of our list for future projects. "
Mac C on October 2025
Absolute Foundation LLC
137 SW CYPRESS ST
Absolute Foundation LLC
137 SW CYPRESS ST
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
***WE DO NOT OFFER WATERPROOFING OR CONCRETE WORK**** ***WE REPAIR SETTLING FOUNDATIONS IN A UNIQUE WAY THAT MAKES THE PROCESS MORE CONVENIENT TO THE HOMEOWNER*** We are the Certified Helical Pier Installers for GoliathTech Helical Piles in the state of Oregon. Goliathtech has over the last 15 years become an industry leader in helical pile manufacturing and installation. We work with new construction as well as repairing old foundations that need some help. We offer free evaluations with fair and easy-to-understand bids on projects.
"Absolute installed a new foundation for our studio shed project. They were very professional, efficient and explained each step to me in detail as I wished. I highly suggest this vendor."
Sean R on November 2021
***WE DO NOT OFFER WATERPROOFING OR CONCRETE WORK**** ***WE REPAIR SETTLING FOUNDATIONS IN A UNIQUE WAY THAT MAKES THE PROCESS MORE CONVENIENT TO THE HOMEOWNER*** We are the Certified Helical Pier Installers for GoliathTech Helical Piles in the state of Oregon. Goliathtech has over the last 15 years become an industry leader in helical pile manufacturing and installation. We work with new construction as well as repairing old foundations that need some help. We offer free evaluations with fair and easy-to-understand bids on projects.
"Absolute installed a new foundation for our studio shed project. They were very professional, efficient and explained each step to me in detail as I wished. I highly suggest this vendor."
Sean R on November 2021
Upfront Construction LLC
P.O. Box 8156
Upfront Construction LLC
P.O. Box 8156
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
Upfront Construction LLC is a family owned and operated and is fully licensed, bonded and insured. Our business has shown to be choice worthy of becoming a go-to source for various interior and exterior residential maintenance. We are consistently striving to make the best experience in any given task. No task is to small whether it be a repair or total remodel. We specialize in basement and crawl space waterproofing. We offer free estimates!!
"This company was on top of getting the work done, provided clear estimates, and followed through with the repairs described. It was a multi-layered project that could have been confusing to track, but they made it easy."
Stephen A on October 2024
Upfront Construction LLC is a family owned and operated and is fully licensed, bonded and insured. Our business has shown to be choice worthy of becoming a go-to source for various interior and exterior residential maintenance. We are consistently striving to make the best experience in any given task. No task is to small whether it be a repair or total remodel. We specialize in basement and crawl space waterproofing. We offer free estimates!!
"This company was on top of getting the work done, provided clear estimates, and followed through with the repairs described. It was a multi-layered project that could have been confusing to track, but they made it easy."
Stephen A on October 2024
Todd A Holliday construction
1020 Ne Allen Ave
Todd A Holliday construction
1020 Ne Allen Ave
35 years of experience
We are a family operated company specializing in home remodeling and painting
We are a family operated company specializing in home remodeling and painting
On Level Services
20781 W Jordan Rd
On Level Services
20781 W Jordan Rd
29 years of experience
Primary service is the re-leveling of Mobile Homes and the repair and refurbishing of Mobile Home foundations. Since Angies list doesn't offer this business category as an option I had to list other categories that got close.
Primary service is the re-leveling of Mobile Homes and the repair and refurbishing of Mobile Home foundations. Since Angies list doesn't offer this business category as an option I had to list other categories that got close.
4 C's Company Inc
3010 Brown Rd NE
4 C's Company Inc
3010 Brown Rd NE
Customers say: Super punctual
31 years of experience
4C's Company, Inc. has been serving Salem, OR and the Willamette Valley area since 1994. We specialize in everything from conventional additions to complete interior or exterior remodels and everything in between. Whether you are in need of door and window replacement or a foundation to save an hold house or building, we can take care of you. Some of the services we specialize in include: Major home additions Whole house remodels Office remodels Excavation Foundation replacement or repair Historic building restoration Door and window replacement Site work for Manufactured homes Decks, patios and porches Roofs Dry rot repair Insect damage repair Disaster repair (water, fire, storm) At 4C's Company Inc., We can handle those special jobs that you just have to have right. If you are interested in something that is a little beyond the ordinary, give us a call!
4C's Company, Inc. has been serving Salem, OR and the Willamette Valley area since 1994. We specialize in everything from conventional additions to complete interior or exterior remodels and everything in between. Whether you are in need of door and window replacement or a foundation to save an hold house or building, we can take care of you. Some of the services we specialize in include: Major home additions Whole house remodels Office remodels Excavation Foundation replacement or repair Historic building restoration Door and window replacement Site work for Manufactured homes Decks, patios and porches Roofs Dry rot repair Insect damage repair Disaster repair (water, fire, storm) At 4C's Company Inc., We can handle those special jobs that you just have to have right. If you are interested in something that is a little beyond the ordinary, give us a call!
Foundation Repair questions, answered by experts
The Seaside, OR homeowners’ guide to foundation repairs
From average costs to expert advice, get all the answers you need to get your job done.
Unstable or sinking foundations require comprehensive and expensive solutions. Learn about foundation underpinning costs in this guide to set your budget.
A bowing basement wall needs immediate repair. Learn how much it costs to repair a bowing basement wall and what factors can affect the final price tag.
Foundation repair costs can be tricky when you have a large repair on your hands. This guide walks through costs from small cracks to total replacement.
Some cracks in your drywall are harmless, while others require attention. Learn if cracks in your drywall indicate foundation problems and what steps to take.
Unsure of what the different foundation types are? This guide explains what a slab-on-grade foundation is, when it’s appropriate, and some pros and cons.
Building code foundation requirements are crucial to build safe structures. Read on to learn how adherence to guidelines ensures stability and resilience.
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