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
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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
3.5121 reviewsLaurie W.
10/28/2025
The Groundworks crew that came out to our home for an encapsulation project was fantastic! Ty and Ty (yes, there were two with the same name!) and Joshua W. were kind, efficient, and cleaned the...
Cynthia H.
10/18/2025
They are truly superhero's like their commercial states. I had waited a long time to get this done and they did not disappoint. The guys that came kept me informed and did everything they could...
Orin H.
10/22/2025
ANH & IAN did a great job for me. They came early, and they called before they showed up as soon as they showed up they started working, I noticed they were very courteous and cleaned up after...
Cathy B.
11/3/2025
These guys were horrible I'm 68 years old and they saw an opportunity to try and take advantage of me . I had a bid from them to put new insulation and a vapor barrier they showed up and said I...
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