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Before you hire: 4 questions to ask

General guidance for any helical pile contractor, not a statement about this company's practices.

  • 1
    Pile designWho engineers the pile layout, and will you get a stamped letter or drawings?
  • 2
    Torque recordsWill they log final installation torque for every pile and give you a copy?
  • 3
    Product & coatingWhich manufacturer and shaft size do they install, and is the steel galvanized?
  • 4
    Permits & warrantyDo they pull permits and book inspections, and what warranty covers the work?

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Matvey Foundation Repair

Matvey Foundation Repair is located at 18915 16th Avenue S in SeaTac, Washington, reachable at 253-327-1650. It was founded in 1999 and its categories include concrete, flooring, foundation and waterproofing.

The company is now associated with the Groundworks foundation repair network through the Groundworks Seattle location. Contact the company directly to confirm current services and the areas it covers.

Confirm who will do the work, which warranty applies and whether Groundworks or the original Matvey crew performs the installation. If helical or push piers are proposed, ask for pile size, depth, torque records, engineering, permit handling and the written warranty terms, and compare at least two quotes. Ask for references from recent projects similar to yours.

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© 2026 Helical Pile USA. An independent directory of helical pile installers, manufacturers, and distributors in the United States and Canada. Listings are provided for information only and are not endorsements; always verify licensing, insurance, and engineering requirements with the company and your local building department.