Our house is built in the SW hills of Portland originally in 1938, with a 2003 addition. TerraFirma…read morewaterproofing product has been a significant update to a shoddy home remodel that the January ice storm exposed. After this unexpected remodel and damage was exposed we had a delay of several months to get on their schedule. When the project date arrived, they showed up on time, cleaned well after the demolition/addition of interior floors to allow drainage and a sump-pump. My original review (4 star due to not adjusting the cost when less product was used) they owned the mistake and recognized their communication gaps. I do appreciate that attention and feel more confident in the company. I look forward to many years of DRY basement/master bedroom living.

Living in a 30-year-old home for the past two decades we've had several phases of upgrades, but one…read morething has always been absent from a 10x10 slab on our back porch: a hot tub. So, this summer, we decided to move forward with the plan to be "soakin' for the holidays" three months away. The only thing standing in the way of that dream: the slab and its neighbor had sunk a few extra degrees, roughly three inches, at the far edge. We were going to need to shore up and permanently stabilize this slab if our hopes of the (3-ton when filled) tub were going to materialize. I made a quick call to Terra Firma and they had an estimator out within a few days. The pricing was reasonable and had the standard 50% up front 50% when complete-type contract. Casey arrived spot-on at 8:00am yesterday morning and began doing his magic (the process involves boring 1/2" holes through the slab, then using high pressure and heat to inject a molten expanding foam under the slab.) The foam is rated to support about 5 tons (10,000 pounds) per pound of foam material, and....100 pounds later that whole slab is back to following the prescribed slope perfectly, raising almost three inches on the sunken side. He did a great job and was a great rep for the company, explaining what little was left to explain. He kept me up on the status of the (4-hour) job as he went along--because our slabs had previously cracked, he had to gently lift it up in small sections so as to not have the sections separate further. Perfect job. 24 hours later and the patched holes have dried to almost-invisible (see photos). Unless you know what you're looking for, you can't even really see that repairs were made. Now I just need to fill in the pre-existing cracks with concrete patching caulk and we're ready to schedule the hot tub delivery! Yippee! Thanks Terra Firma!

They are a family owned business and the person who came out for the courtesy assessment was…read moreprofessional and highly knowledgeable. All of my interactions with their people (3) was always excellent. From Pat to John to Jean, all experts.

Good price, good communication. Prompt to get to work and worked very diligently until the job was…read morecompleted.

We bought a house but the crawlspace was all sorts of messy. We needed a whole new vapor barrier,…read moreinsulation on all our pipes, one of the ducts was crushed, rodent poop everywhere... New Leaf completed a thorough inspection (they were actually sent by the seller), provided a fair bid, and were gracious enough to offer a payment plan. When they came to do the work over the course of three days, they were hard working and cleaned up after themselves. One of my favorite things, though, was overhearing someone telling the group these encouraging things like "diamonds are made from pressure!" Just thought that a company that supported their people was a company everyone should support. Our HVAC contractor was also super impressed with them! Would 1000% hire again. I swear our house immediately got warmer because of the insulation!

Nate came out and gave a very fair bid the day after I reached out . I was a bit finicky in my…read morerequest and they accommodated me very well. They were able to come out the very next week and made quick work of the crawlspace insulation. They were even able to get areas I didn't know existed. Overall, the office communication, speed of delivery, pricing, and customer service was A1. Will be using them from now on.

In 2021, in the middle of the pandemic and while I was pregnant, we had this disastrous mix of an…read moreice storm and then an atmospheric river all in the same month. 2021 feels like a lifetime ago, so I don't remember all of the details, but I do remember it ended with my husband renting a pump from Home Depot or Lowe's and spending hours in water up to his waist, pumping it out of our crawl space. It was a nightmare. We had to file a homeowner's claim not only to replace our sump pump, but also to redo the waterproofing under our house. I remember nothing but us cursing, crying, and tearing our hair out. All I know is our senior foreman was Ramon Morales. Just this week, almost exactly 4 years later, we had another atmospheric river. Our crawl space is dry as can be. We have had no problems since. I still have zero clue what a sump pump is, but I feel confident that you can trust John's Waterproofing to handle your homeowners' claim and get your house back to safety. After so many bad experiences in the Portland metro area, I'm so relieved to be able to recommend John's Waterproofing for the long haul.

I had this company install a sump pump, all new French drains and vapor barrier in my home's crawl…read morespace due to standing water. Less than 2 years later they came for an annual inspection and their sales rep told me due to visible mold, he urged me to get encapsulation for $26,000! I nearly had a heart attack! He didn't even offer a discount on the work they already did which would all have to be redone. But he sure pushed to finance it. Such a sham! I had an official inspector evaluate the condition and promptly told me there was no need at all, minimal mold and good air temp. Beware of this company's sales tactics and pressure. Unfortunately my warranty is through them so I'm stuck. But you can make a better informed decision!

Cliff has done great work for us! Our house backs up to a mountain. We had a flood and 4 feet by…read moretwenty yards of debris and mud piled up to the back of our house. We could not get anyone to even bid the job. Cliff and his team cleared the mountain of sludge and branches and did it at a great price. Cliff did some other waterproofing work for us and we got competitive bids and he was the best. Cliff is also a good person who you can trust. Highly recommend!

Very fair price, Cliff was professional on time and fix our water problem and when finished looked…read morelike he hadn't been here at all, very clean. If I know anyone else who has a water leak or water problem I will certainly recommend AWATERPROOFING&DRAINAGE INC.

Horrible work never on time and lazy. Never finishes the jobs and charges too much for such a poor…read morejob... would not recommend to my worst neighbor... horrible service...

I highly recomend this company! The team of 3 came to my home and added a french drain around the…read moreinterior perimeter of my crawl space so the intruding water would reach the drain. They also correctly installed a vapor barrier with sealed seams and tacked up to the foundation wall. Additionally - before this these wonderful guys clean out every single price, no matter how small, of left over building material. This is important because that material would of rotted in the moisture. They worked with me hand in hand. They did a neat, clean, great job! Thanks for the hard work guys

***Please note -- I updated my review from 1 to 5 stars. Terra Firma took the initiative to reach…read moreout and assess any next steps needed to correct the problem. Trust is 100% restored knowing that if problems come up they will take any action needed to follow up. I will also say that the work they originally did was actually to code, and we agreed that the moisture problems arose due to the nonstandard setup of my dehumidifier, NOT because of errors in Terra Firma's work. Thank you Terra Firma.*** Unfortunately, I have to drop a negative review in the interest of warning other folks that their work has gone downhill. I previously had an excellent experience with Terra Firma for management of a water problem in my crawlspace. I hired them without question again for my current property for management of moisture issues, and I didn't check their work upon completion as thoroughly as I should have. Unfortunately, about 1 - 2 months after completion of work, I discovered a large mushroom growing out of one of the structural posts in my crawl/basement. On closer inspection, I noticed that the dehumidifier water discharge line they installed was dumping less than a foot away from my foundation, corresponding to the exact spot the mushroom was growing. Moisture was the exact problem they were supposed to fix, but now they have created a severe structural problem secondary to moisture with the dehumidifier line dumping large quantities of water right next to my foundation. In other words, they created the exact issue they were purporting to fix by collecting the moisture and depositing it into my foundation. Once fruiting bodies are growing out of wood, this is an indicator that the wood is severely compromised and the fungus network has grown extensively. I now have a very expensive and serious problem to fix. I called to let them know about the problem, not sure if I will hear back from the coordinator/ the team who did the work. I am not sure if I would trust them to fix the issue after the damage they have caused, but I would accept financial remediation. If they take steps to make things right, I would update my review. I would not hire Terra Firma again for any crawlspace work, be it structural or moisture related because of the big problem they have caused. Again, just would like to warn others.

Hired to correct sinking floor throughout the home, to the point doors couldn't close or would…read morestick and could feel significant change in the floor height while walking. TerraFirma sent over an estimator, then scheduled repairs. They were done in less than one working day and provided photos. They laid down paper to protect the floor as they were working. Due to another issue found, had to reschedule a second day to come out and install a supporting beam in the crawlspace. Different crew but were as professional and clean as the first. Folks in the office were helpful and responded quickly. Would hire again if needed.

Prompt proposal. Had a cancellation and got us in the next day before we even were on their…read moreschedule. Jeramie is very personable and did a very good job of leveling our patio. I honestly didn't get other bids so I'm not sure how their pricing falls in relation to other companies.

Was quoted almost 4k to re set the shims/ level my home. Booked the date and was told half up…read morefront half upon completion very odd way of confirming my down payment made me a little uncomfortable but I went ahead . Was told the process would be half a day ( approximately) it took ONE hour... There was no communication I didn't get a receipt a listing of any supplies ( which to have it redone would be cheaper with THEIR equipment) new measurements showing I was level pictures a walk thru questions answered nothing.. it was payment is now due thank you have a good weekend.. I emailed and got the "quality control" guy to come out the following week. I asked a few questions but felt like I was a waste of his time and he's : trying to teach the guys about customer service: he went under the house said everything was secure and left ... No one said anything about the 3 inch gap between my home and the foundation/ wall that STILL needed to be repaired/ re leveled. Very noticeable.. as you could see the back yard thru the gap. so disappointed in this company! We had to hire another contractor to get that level. Ridiculous!! I trusted them to repair my HOME!! It's my HOME it may be a 'job' to you but I'm paying YOU. I choose you. And now I am sorry .

I want to commend TerraFirma for their expertise in repairing the cracks in my driveway. Zack, Ken,…read moreand Tim are rock stars. I would recommend them to anyone looking for this type of service. Very prompt and professional. I would also like to thank Heather for everything she does for TerraFirma. Thank you again Rick Bacon

From the owner: TerraFirma Foundation Systems is trusted by thousands of homeowners in the Northwest to keep their…read morehomes safe, dry and stable. Foundation repair, crawl space and basement waterproofing and concrete repair backed by warranties that give you peace of mind. Contact us today to schedule a free evaluation!