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Foundation repair specialist4.9(91 Google reviews)

GSI Foundations

Foundation repair specialist · Germantown, WI

N112W14145 Mequon Rd Unit B, Germantown, WI(262) 236-6805gsifoundations.com
Free estimateWarranty
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About GSI Foundations

GSI Foundations is a foundation repair company in Germantown, Wisconsin.

On its website (gsifoundations.com) it mentions bowing basement wall repair and foundation waterproofing. The quotes below link to the page where each one appears, so you can check them.

Its website says it has been in business since 2003.

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Foundation services

What GSI Foundations says on its website

Quoted from its website, read in October 2026.

Also typical: foundation crack repair, foundation settlement repair, foundation underpinning. That's our assumption from the type of company, not a claim by the company – please confirm.

Inspections, warranty and payment

  • Free estimateJoin the thousands of customers who have put their trust in GSI Foundations, and schedule your free estimate today! gsifoundations.com
  • WarrantyTransferable Warranty gsifoundations.com

What its website says (October 2026). Ask for the warranty in writing and read what it covers before signing.

GSI Foundations on the map

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Other pins: companies within 30 miles. Map data © OpenStreetMap contributors.

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Before you call, ask about

  • The cause they see, the method, and how many piers or anchors, in writing
  • Whether permits, engineering, excavation and cleanup are in the price
  • The written warranty: what it covers and whether it transfers to a buyer
  • License or registration number and proof of insurance

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Questions about this company

How do I contact GSI Foundations?

By phone at (262) 236-6805. Through its website, gsifoundations.com.

What foundation services does GSI Foundations offer?

On its website it mentions bowing basement wall repair and foundation waterproofing.

Does GSI Foundations offer free inspections?

Its website mentions “free estimate”. Ask what the visit includes and whether you'll get the findings in writing.

How much does foundation repair cost in Wisconsin?

Estimated for Wisconsin: sealing a crack about $240–$767; repairing a settling foundation about $4,316–$19,180, mostly depending on the number of piers. Try the cost calculator and compare written quotes.

Foundation repair near Germantown

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