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    Groundworks

    3.9 (145 reviews)
    Open 5:00 am - 8:00 pm

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    Response time

    10 minutes

    Response rate

    100%

    Services - Groundworks

    Foundation construction

    Foundation inspection

    Foundation repair

    22 More Services

    Foundation replacement

    Masonry/concrete repair

    Masonry/concrete sealing

    Moisture or vapor barrier installation

    Moisture or vapor barrier repair

    Moisture control inspection

    Moisture control installation

    Moisture control repair

    Exterior wall repair

    Interior wall repair

    Retaining wall repair

    Driveway sealing or resealing

    Exterior wall sealing or resealing

    Interior wall sealing or resealing

    Retaining wall sealing or resealing

    Patio, porch, or terrace sealing or resealing

    Walkway sealing or resealing

    Sump pump installation

    Sump pump repair

    Waterproofing inspection

    Waterproofing installation

    Waterproofing repair

    Groundworks Photos

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    Inspection was very professional and more complete than the other two companies we used for quotes. Measurements were made and plans drawn out on their quote. (One other company barely crawled into the space and took no measurements.) Groundworks was not the cheapest quote but you get what you pay for! Quality install, done quickly, all questions answered. Installers Tripp, Keegan, James and Ryder worked well together, were polite, and got it completed quickly.

    Reached out for a quote and right before I signed the document, I received an inadvertent email telling me what they really thought about me. Clearly this company doesn't respect their customers.

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    4 months ago

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    4 days ago

    Business owner information

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    Wendy L.

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    2 days ago

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    26 days ago

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    8 months ago

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    5 months ago

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    2 months ago

    They are a good Geologist/ civil engineering firm. I was happy with their evaluation of the subsurface for my foundation.

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    2 months ago

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    5 months ago

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    6 months ago

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    7 months ago

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    10 months ago

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    11 months ago

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    10 months ago

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    1 year ago

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    2 years ago

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    Matthew C.

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    2 years ago

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    8 months ago

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    8 months ago

    Polite, professional and through. Recommend highly. Jacob Richard and Zack were great

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    7 months ago

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    1 year ago

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    9 months ago

    Ernest was great at inspecting my issue. I learned a lot and felt like he really listened to me and gave things a thorough look.

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    10 months ago

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    11 months ago

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    Page 1 of 4

    Ask the Community - Groundworks

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    Review Highlights - Groundworks

    A neighbor of ours had used Matvey for some foundation work on their house, and they recommended them to us.

    Mentioned in 55 reviews

    Read more highlights

    Ram Jack West - Seattle - crew returned to lay new cement but left large hole

    Ram Jack West - Seattle

    (45 reviews)

    We own a home in downtown Seattle with a basement that's partially filled with soil. We've often…read morewondered whether it's feasible to excavate that portion to create a usable basement room. Recently, we purchased another house just across the street, which experienced water leakage in the basement. Concerned about potential foundation issues in both properties, we reached out to Ram Jack West for a professional evaluation. Chris from Ram Jack West arrived promptly and conducted a thorough assessment of both homes. He took the time to answer all our questions and provided clear, reassuring feedback. Thankfully, he confirmed that neither property showed signs of foundational problems. We truly appreciated the peace of mind Chris gave us. When we're ready to move forward with excavating the basement in our first home, Ram Jack West will be our first call. We highly recommend this company--they're professional, knowledgeable, and genuinely committed to helping their clients.

    We were completely satisfied with the work Ram Jack performed for us. First, they were BY FAR the…read morelowest professional bid on our house. They did the most detailed analysis of where the house needed to be raised, and didn't try to upsell us on anything extraneous to that. Most of our job consisted of putting several dozen jacks under the floor, to reverse 25 years of settling. It took a bit more than a day to place everything, and then a few hours to actually jack things up. The floor is now essentially level, and there were no cracks that we have found.

    Groundworks - masonry_concrete - Updated May 2026

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