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!

very professional and reliable from the office person to the estimator and to the lead man,…read moreSchyler. All were very good and the job was completed and on time.

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!

Awesome service. I had a dangerous rock outcropping issue that seemed unsolvable. RamJack…read moreresponded right away, sussed out the situation, sent a crew of experts and solved the problem. I'd give them 6 stars if I could.

Service Performed: Location: 3,800sqft House on a…read moremulti-sloped/angled hill Installed 7 Pilings around foundation outer frame and approximately 30 adjustable posts in the crawl space to reinforce/reconnect the ground to the floor of the house. 6 pilings were installed from within the crawlspace 1 piling required access from the exterior Quality: Truly Outstanding Workmanship, professional, well-equipped, experienced workman. Work completed before estimated completion date. On the 1 outdoor area, there was a retention stone wall, along with some other items requiring extra work to get to where they needed. After the work was done, it was all put back together and meticulously cleaned - you cannot tell that any work was done there; absolutely perfect! It was not easy to do what they did at that particular location. Value: Even though foundation repair/work is a costly service/installation; you certainly get what you pay for with Ram Jack West. I received more value than what I paid. You see, their value started 4 years ago, in 2022. I had them come out, define and price the job and signed a contract and paid 1/2 upfront. Within a couple weeks after signing I became critically ill, in the ICU and Hospital for 2 months. As a result I lost my job among other things and have a permanent disability. I reached out to Ram Jack West and they, very graciously, supported me by refunding my money immediately - especially at my greatest time of need. This is well above and beyond exceptional for a business and that is a huge factor as to why I called them back, in 2026, after I had stabalized, and got some money together. They re-bid the job, I expanded what I wanted to have done and they accomodated my requests. They helped me work out financing and walked me through the processes very thoroughly. The result was a delight from start to finish and all of it ended up being done well ahead of schedule. Truly class act! Thank you so much!

Hey did an amazing job refinishing our front porch, and replacing our driveway. They were prompt,…read morerespectful of our property and the neighbors property while working. They finished on time and kept in communication until to job was complete and we could park on the driveway. Highly recommend for any concrete job you have!

John has the best customer service, responsiveness, dependability, helpfulness and work ethics I…read morehave ever had the pleasure of working with.

Their prices are reasonable and they must be good because we have to wait over two months to get…read moreour job started.

Pascal and M Leon's office was great to work with. Scheduling was easy, the bid was fair, and they…read morecame when they said they would. They installed another post to support the north side of the house. The work was carefully done and Pascal fully explained the process and what his workers had done. My realtor recommended this company since she works with them often and finds that they do consistently excellent work. I would hire them again for additional foundation work.

Great guys. Daryl and his crew were easy to work with. They did a repair job to our crumbling…read morefoundation. Would recommend.

Daryl came out for a quote and was very helpful in letting me know what my home needed, and, more…read moreimportantly, what it *didn't* need. Secure Seismic earned my trust by telling me that proposed work from a competitor was fully overblown and not necessary. If I have seismic needs in the future, I'll definitely turn to these guys. So hard to find honest vendors out there, and these guys seem like folks you can trust.

I had a great experience with NW Seismic Retrofit. Tim was very informative and explained how…read morehouses are damaged during earthquakes and the shear strength of the retrofit. I got 3 bids and they were competitive, they showed up on time, finished in a few hours (816 sq ft house with full basement), and left the work area cleaner than before the work. Be aware that this kind of work is extremely noisy, but I feel more secure that I'll have a roof over my head after a large quake.

We loved working with NW Seismic on retrofitting our SE Portland home. Tim really took the time to…read moremake sure the approach was right for us and is clearly incredibly knowledgeable, down to the intricacies of our particular area and soil. The work crew left the basement cleaner than they'd found it, and the project manager popped in from time to time to keep me posted on timing and how things were going. From the initial estimate to final billing, everything went really smoothly, and everyone we came into contact with is thoughtful, professional, easy to work with, and excellent at what they do. Thank you!

Great work. Michael from Foundation Pro came in put a skim coat on my basement outside on the front…read moreand inside where there used to be a utility sink and also fixed up the cracks on the back steps. He was great to work with and would highly recommend. Professional, on time, great communication.

We had Foundation Pro come out today after making an appointment to look at our questionable sill…read moreplate, and give us an estimate on any work that may need to be done. I was very happy on how professional, and on time Michael was. He went under the house and checked everything out, then explained everything in detail that needed attention too. I felt he was very honest and straight forward. He took the time and made sure we felt that all of our questions or worries were answered. Thank you Michael