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    TH Excavation

    4.4 (7 reviews)
    Open 6:00 am - 6:00 pm
    Updated 2 months ago

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    Services - TH Excavation

    Soil backfilling and compaction

    Earthmoving or regrading

    Excavation

    23 More Services

    Driveway construction or installation

    Exterior wall construction

    Retaining walls

    Patio, porch, or terrace construction or installation

    Walkway construction or installation

    Irrigation construction

    Land clearing

    Land grading

    Landscape construction or installation

    Landscape maintenance

    Construction or installation

    Moisture or vapor barrier installation

    Moisture or vapor barrier repair

    Moisture control installation

    Moisture control repair

    Construction site preparation

    Sump pump installation

    Sump pump repair

    Tree care services

    Tree stump removal

    Trench digging

    Waterproofing installation

    Waterproofing repair

    TH Excavation Photos

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    Recommended Reviews - TH Excavation

    Your trust is our priority, so businesses can't pay to alter or remove their reviews. Learn more about reviews.
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    3 months ago

    Taylor was very knowledgeable, service was quick it looks great and his price was good. Highly recommend!

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    11 months ago

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    3 years ago

    Taylor does quality, timely work at a very fair price. He is very knowledgeable and responds quickly with a realistic timeline and quote!

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    Taylor H.

    Thank you for the kind words.

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    2 years ago

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    Taylor H.

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    2 years ago

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    Taylor H.

    Thank you very much Jason! It was a pleasure meeting you.

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    3 years ago

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    Taylor H.

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    3 years ago

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    TerraFirma - Foundation repair in Portland, Oregon with EverBrace before and after photos.

    TerraFirma

    (47 reviews)

    ***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.

    Bailey did a fantastic job inspecting my crawl space and designing a solution that fit my needs. I…read morereally appreciated his thorough evaluation, detailed explanations, and professionalism. I will keep TerraFirma in mind for future projects.

    TH Excavation - excavationservices - Updated June 2026

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