
Get matched with top basement waterproofing pros in Columbia City, OR
There are 4 highly-rated local basement waterproofing pros.
Need a pro for your basement waterproofing project in Columbia City, OR?
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Verified Reviews for Basement Waterproofing pros in Columbia City, OR
*The Angi rating for Basement Waterproofing companies in Columbia City, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
*The HomeAdvisor rating for Basement Waterproofing companies in Columbia City, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
Last update on December 10, 2025
Find Basement waterproofing pros in Columbia City

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.
"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

John's Waterproofing Co.
John's Waterproofing Co.
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

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.
"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
John's Waterproofing
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

Octopus Project Management LLC
Octopus Project Management LLC
Octopus Project Management LLC. is a Disaster Reconstruction firm focused on mitigation and rebuilding of residential and commercial buildings undergoing the restoration claims process. We are General contractors able to take on a multitude of different types of home projects. our project minimum is around $350 plus materials as a standard trip charge and increases hourly for smaller projects. Estimates are free and can typically be provided same day.
"Amazing customer service, did exactly what I needed done!"
Sidney S on June 2025
Octopus Project Management LLC. is a Disaster Reconstruction firm focused on mitigation and rebuilding of residential and commercial buildings undergoing the restoration claims process. We are General contractors able to take on a multitude of different types of home projects. our project minimum is around $350 plus materials as a standard trip charge and increases hourly for smaller projects. Estimates are free and can typically be provided same day.
"Amazing customer service, did exactly what I needed done!"
Sidney S on June 2025

Upfront Construction LLC
Upfront Construction LLC
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
GNC Construction
GNC Construction
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.
Eco Concrete Design
Eco Concrete Design
Eco friendly & green concrete general contractor with 35+ years experience - in the Portland, Oregon & Washington areas. Handles industrial, commercial & residential projects & any excavation, foundations & flatwork needed.
Eco friendly & green concrete general contractor with 35+ years experience - in the Portland, Oregon & Washington areas. Handles industrial, commercial & residential projects & any excavation, foundations & flatwork needed.
B&Js Handyman Services Portland
B&Js Handyman Services Portland
We have 8 guys and each of them have their own trade and expertise
We have 8 guys and each of them have their own trade and expertise
The Columbia City, OR homeowners’ guide to basement waterproofing services
From average costs to expert advice, get all the answers you need to get your job done.

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- 🌱 "Mow a small front yard"
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