William B.
9/4/2025
Concrete lifting work completed by Ilia and Iurie. Our garage is in the rear of our home. This means we have a lot of concrete. Our front porch was raised approximately 3 inches and areas in...
Groundworks
Closed
(111)
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18915 16th Ave S
Seatac, WA 98188
Rock Built. Rock Solid! Groundworks, formerly Matvey Foundation Repair, is the leading structural and concrete repair firm in Western Washington. We specialize in repairing residential and commercial foundations, concrete slabs, bowing/cracked basement walls, sinking floors, concrete porches, settling/cracked foundations, and other structural issues along with basement waterproofing. We raise and level concrete pavements, driveways, and sidewalks. Whether your retaining wall is failing or your house is sliding down the hill, our experienced crews will investigate the cause and design a solution that is practical, cost-effective and permanent. CALL US TODAY FOR A FREE ESTIMATE!
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Reviews
3.5111 reviewsAbigail B.
9/12/2025
Polite, professional and through. Recommend highly. Jacob Richard and Zack were great
Blaine A.
7/20/2025
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.
Tracy T.
8/22/2025
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.
Edel I.
7/17/2025
It is a huge shock to realize that one's home is in such danger with a serious foundation issue that will be very costly. But I have to admit that from the very start Groundworks was awesomely...
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