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Products & Services

Basement Waterproofing
Waterproof Wall Products
DryTrak Basement Water Control System
Floodring Water Heater Protection
Basement Dehumidifier
Sump Pump Solutions
Triplesafe Sump Pump
SuperSump Sump Pump
UltraSump Sump Pump
Interior Drainage Systems
Waterguard® Drainage System Drytrak®
Trench Drain WaterGuard®: Iron Ochre System (IOS)
Flowguard Drain
Well duct Window Well Drain
Warrantied Products & Solutions

Foundation Repair
Pier Systems
Push Piers
Slab Piers
Helical Piers
Smart Jack Crawl Space Support Posts
Foundation Wall Repair
Geo-Lock Wall Anchors
Powerbrace Basement Wall Repair System
CarbonArmor Reinforcing Basement Wall System
Bowing Foundation Wall Repair
Shotcrete Spray Concrete
Concrete Lifting

Concrete Repair
Concrete Driveway Repair
Concrete Pool Deck Repair
Concrete Walkway Repair
Concrete Patio Repair
Concrete Leveling & Lifting
Mudjacking Alternatives
NexusPro Cracked Concrete Repair

Earthquake Retrofitting

Free Estimates & Inspections

TerraFirma serving Washington County, OR

These guys were so professional and hard working. We'd refer Terra Firma Foundation Systems to our friends and family....

Testimonial from Ken from Portland, OR

Happy Customers Surrounding Washington County, OR

Testimonials

Reviews

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Reviews from our customers in Washington County, OR

5.0/5
Jason C. Jason C. Rodlun Ct

Jon Keas and his crew were very polite, helpful and informative. Thanks guys

5.0/5
Jason C. Jason C. Rodlun Ct

5.0/5
Melinda E. Melinda E. Willamina

4.8/5
John John

We did encounter one major issue, but your quickness in handling the problem was excellent. All issues were resolved according to our satisfaction. Thank You!!! We recommend Josh of install crew to be groomed for a foreman job! Very impressed with that young man!

5.0/5
Richard H. Richard H. SE Hollyhock

Drew, our installation crew chief, did an outstanding job!

5.0/5
Susan S. Susan S. SE Lexington Dr.

I chose Terrafirma because of the expertise shown by the salesman, followed up by a great crew on site.

4.8/5
Mike F. Mike F. SW Albertson Road

Our home is on a slope in the woods, and over time we noted significant signs of settlement - cracks in drywall and ceiling, the deck sinking, settlement of walkways and front step, cracks in foundation. Josh from TerraFirma came out and did a very thorough (at no cost to us) evaluation of the property, identifying the issues relating to the soil and location, and probably how the site was prepped originally, as well as problems related to water drainage down our driveway and dumping into the soil next to the foundation. He recommended placing push-piers to support and lift the foundation along 3 sides of the house, and adjustable jacks in certain areas of the crawlspace to lift some of the floors that were sagging. He also recommended having trench drains placed across the driveway in two places to eliminate the water draining down to the house (to be performed by different contractor). The sunken slabs/steps/sidewalks would be addressed by polyurethane foam injection under the slabs (subcontractor to TerraFirma). We also decided to have our crawlspace encapsulated at the same time. This was actually our idea to ask about that. Josh was very professional and answered all questions, and at no time did he come across as high pressure or with a sales pitch. He simply presented us with possible solutions to the problems.

In early November, the work began, taking about 2 weeks. Drew, the installation foreman, and his crew were great. Very cheerful, professional and courteous, and hardworking, despite having to work in absolutely miserable conditions of cold and rain. Drew was always available to answer my questions and address any concerns, and went the extra mile to do little things to tie up loose ends in the project rather than leaving things for us to have to deal with afterward.

There was a problem early on when cracks developed in the foundation where at least half the piers were placed, owing to there not having been any rebar reinforcement of the foundation (rebar not required code until after about '98) when it had been poured. Drew indicated that this was not uncommon and that the piers would still do the job. However, many of the cracks were along one edge of the brackets or next to them, where shear along the cracks might be expected during lifting or support. There was also one pier that was very tilted/angled where it contacted the foundation, that mechanically appeared unsound in that position. I called for a time-out and contacted the engineer, Rob, and he and the production manager Keith came out to assess the situation. This resulted in Rob revising the plans to include some additional piers and bolting steel plates on either side of a number of the cracks that were in question, to mitigate the problem, before the foundation was lifted. So they were very responsive to the concerns I raised, and did what was necessary to address the issues. And I should also point out that we were NOT charged anything extra for the additional work performed - only the amount agreed upon in the original contract. There is a small part of me that wonders to what degree the cracks, etc would have been addressed had I not brought up the issue, but I'd like to give TerraFirma and the engineering company the benefit of the doubt and assume that the outcome would be the same (i.e., that the cracks would have been plated, etc). I was slightly disappointed that the cracks in the drywall and ceiling didn't seem to improve much or at all after the foundation was leveled, and I still have some minor concerns about support along one corner, but overall we're very pleased with the job. Drew grouted all the cracks, and repaired all the storm drain pipes, even including a pipe for the irrigation system that I had assumed I would have to fix myself. Another feature to point out that helped make our decision to forge ahead with the project was the 75 year transferable warranty, and the fact that anytime within the first 5 years, you can have TerraFirma come back out to reassess the leveling at no charge.

Another bright point was the concrete leveling job performed by Geoff - he and his asst were very accommodating in scheduling, and did a great job of lifting and leveling the sidewalks, slabs and step.

TerraFirma really does seem to be perfectly suited to doing this sort of work on residential homes with difficult/limited access to the foundation, and we certainly would recommend them to anyone with foundation issues. Next summer, we plan on replacing our old deck, which continues and will continue to sink for all the same reasons that the foundation had been sinking. But this time we will support the deck with helical piers, and we are planning to have TerraFirma place the piers.

5.0/5
Howard E. Howard E. NE Marina Ct.

Thank You!

4.0/5
Joe V. Joe V.

I will never go with anyone else but Terra Firma. My crawl space looks great and my house and family are healthy.

3.8/5
Toni D. Toni D.

I would have preferred a one total price for a single phase for the stabilization of my home. Not pillars inside and then later the outside repair. Cost was very high. More reasonable price would be preferred.

5.0/5
Vern S. Vern S. NW Meadowridge Dr

Excellent and exceptional work from the whole team.

4.2/5
Steven S. Steven S. SW Butner Rd

4.2/5
Lindsay P. Lindsay P. SW Colyer Way

Terra Firma recently did a crawl space drainage system for my home. Gage and his crew showed up right on time, did the job quickly, and cleaned up afterwords. Gage explained how everything works and answered all my questions to my satisfaction. I will definitely recommend Terra Firma.

4.8/5
Ruth A. Ruth A. SW Brooks Bend Ln.

5.0/5
Carol B. Carol B.

Terra Firma took a different approach, which while more expensive, was more complete.

5.0/5
Cheryl Cheryl Tigard, OR

Thank you again.

4.2/5
Greg M. Greg M. SW Viewmount Court

5.0/5
Grant K. Grant K. SW Viewmont Drive

Our job had some unforeseen complications because of the way the foundation was constructed. The Terra Firma team has been good about coming back several times to address problem areas.

The only downside is that this foundation construction problem was noticed during the initial installation, but nothing was mentioned at the time and the install proceeded as planned. Very soon after, we had many water leaks appear because of that problem. We know it was an unusual circumstance, but it was a little concerning that it wasn't recognized as an issue during the installation and nothing was mentioned. Homeowners like us rely on your knowledge and problem-solving ability, so this was a bit of a misstep in our opinion. But, the company has been good about taking care of the problem since, so we still feel very positive about the experience.

Overall, everyone we have encountered either in person or over the phone has been great. It seems like a company that is well run and has it's act together.

5.0/5
Jaden L. Jaden L. Portland, OR

Outstanding job estimate was fast and professional crew showed up on time worked there tails off and got it done right they left the work sure that is my house very clean and tidy above and beyond other contractors that I have felt with the crews were very professional and knowledgeable I would absolutely recommend this company to any one in need of there help thank u.

4.8/5
Darry L. Darry L. SW Raleighwood Lane

Very smoothly handled process. Messy, dirty work but we would never have known it from the care the crews took to keep the adjacent basement site clean and useable while they were mucking about in the crawl space!

5.0/5
Monica K. Monica K.

I just want to say again how much we appreciated the work that was done here. The crew worked so hard and such long hours every day and were always friendly and respectful to me. The excavations were done carefully and the yard/foundation areas were completely cleaned up when the job was done. Any questions or concerns I had during this process were quickly answered and I was always shown what was happening as the work proceeded.

I wanted all the guys who worked here to know how much their time and efforts were appreciated. Thank them for me.

-Robin and Monica.

5.0/5
Bob A. Bob A. SW Riverwood Lane

We are interested in adding a Smart Jack Post under the washer and dryer flooring in June when the soil under the clean space firms. We understand that TerraFirma Foundation Repair will contact us in June to follow up on this. Thank you.

5.0/5
Terri A. Terri A. SW Apache Dr

Reviews From Washington County

By Gary R.

Tualatin, OR

Tuesday, Jan 8th, 2019

View Details

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Testimonials From Washington County

We chose TerraFirma because of their promptness with information and their giving me the full cost so I could make my decision.
Testimonial by Tom & Dorothy B. from Portland, OR

I speak favorably about Terra Firma whenever the subject arises!
Testimonial by Richard U. from Portland, OR

By code of our HOA we are required to receive 3 estimate on all home improvement. Thank god they do. We were almost going to proceed with another company.
Testimonial by Shary B. from Portland, OR

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Structural repair, crawl space repair, basement waterproofing, & more

Have wet basement walls, a cracked foundation, crawl space humidity, sinking concrete slabs, or other issues with your Washington County, OR home? TerraFirma provides expert foundation repair, crawl space repair, concrete repair, and basement waterproofing solutions that restore the home's performance and image, and value overall.

We specialize in customizable solutions adaptable for all Washington County, OR homes! Call 1-844-311-8051 or click below to schedule a free, no-obligation service estimate today!

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Foundation repair solutions in Washington County, OR

Even the smallest of structural issues can worsen to cause damage to the rest of your Washington County, OR home. TerraFirma has reliable Supportworks products and solutions that not only restore your foundation but prevent ongoing damage in the future.

Our foundation repair services include:

Pier systems
Structural repair services
Foundation wall repair systems

Spray concrete
Concrete repair
And more!

Have you noticed structural settlement? Cracks within the foundation? A tilted Chimney? We have solutions for these issues and more!

Call or email us today to schedule a free consultation with a system design specialist, who will provide an initial foundation assessment and walk you through the entire repair process.

Restore & encapsulate your crawl space

Interested in crawl space solutions that fix water build-up, humidity, mold growth, and structural issues and provide added storage space and protection? The crawl space repair system from TerraFirma is the solution! Not only does TerraFirma restore your Washington County, OR crawl space, they also seal the below-grade space to protect it from the elements and for added storage space!

Our crawl space repair & encapsulation services include:

Crawl space sump pumps
Crawl space vapor barriers
Crawl space access wells

Downspout extensions
And more!

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Wet basement repair products & solutions

A wet basement can cause serious issues with the overall structure of your Washington, OR home. We specialize in basement waterproofing solutions that repair damaged below-grade spaces and provide added water protection.

Our basement waterproofing services include:

Waterproof wall products
Basement crack repair
Basement dehumidifier
Basement sump pump

Interior drainage solutions
Window well drains
Downspout extensions
And more!

Interested in patented Basement Systems products and services that do more than provide temporary fixes? Our warrantied solutions are just what you need for long-term solutions!

Concrete repair contractors

Sinking, cracked, and weak concrete looks as unappealing as dangerous, as they are a serious falling hazard. TerraFirma isn't interested in providing services that will make your Washington County, OR home messy and end up costing you more. That is why we offer our polyurethane concrete solution, NexusPro, cracked concrete repair. This innovative concrete repair solution applies quickly to produce durable, long-lasting results without the mess and stress.

Our concrete repair services include:

Concrete leveling
NexusPro cracked concrete repair
Concrete sidewalk repair
Concrete driveway repair

Concrete pool deck repair
Concrete patio repair
Mudjacking alternatives
And more!

Washington County’s trusted source for Radon Mitigation

TerraFirma provides in-home consultations to assist you in education, radon mitigation, and radon removal from your home. Don’t hesitate to contact us today. Radon is a dangerous gas that cannot be sensed by human senses, leading to potential issues such as lung cancer and more.

Our radon mitigation services include:

Radon mitigation systems
Radon testing
Indoor air quality services
Radon mitigation inspection
Radon and real estate
And more!

Call or contact TerraFirma today for a free quote for a healthier home.

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Wet basement, crawl space, foundation repairs & more

Since 2005, TerraFirma has offered reliable foundation repair, crawl space repair, basement waterproofing, concrete repair, earthquake retrofitting services that restore Washington, OR homes and provide lasting protection.

Call 1-844-311-8051 or click below to schedule a FREE, no-pressure service estimate for any of our services in Washington County, OR!

Get A FREE Quote!

Photo Galleries From Washington County

Unevenness in siding or paneling usually means an unevenness to the sols below. When soils are misaligned, it causes all structures above to be misaligned with it.

Our production team installed nearly 4,000 square feet of VaporLoc Elite in less than two days!

Job Stories From Washington County, OR

Restoring Beauty in Beaverton, OR

In Beaverton, OR, home owner Joel K. had three areas of concern around his home and called us to have a look at his situation. The front covered patio, back patio and a walkway had settled and were now cracked and slanted. A very unsightly feature of his home that he wanted fixed. After an inspection by Adam Lounsbury, TerraFirma Concrete Leveling was the advised solution.

Our concrete leveling solution is a light weight polyurethane that is designed to provide support to sinking slabs above while adding little-to-no load to the soils below. After drilling a hole in the sinking slab to expose the void, polyurethane foam is injected. It expands and fills the void evenly achieving uniform and calculated lift to the slab. In just a few short hours, Joel's slabs are leveled, the project site is cleaned and looking beautiful again.

Serving the following Washington County, OR zip codes

Portland 97229, Portland 97223, Portland 97281, Portland 97224, Portland 97291, Portland 97225, Portland 97298, Hillsboro 97123, Hillsboro 97124, Beaverton 97003, Beaverton 97008, Beaverton 97077, Beaverton 97005, Beaverton 97078, Beaverton 97006, Beaverton 97075, Beaverton 97007, Beaverton 97076, Tualatin 97062, Forest Grove 97116, Sherwood 97140, Cornelius 97113, North Plains 97133, Gales Creek 97117, Banks 97106, Buxton 97109, Gaston 97119, Timber 97144, Manning 97125

Service Area

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CCB# 173547
WA: TERRAFR931LH