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Foundation repair specialist4.5(13 Google reviews)

Roy Johnson Construction

Foundation repair specialist · Sioux Falls, SD

Sioux Falls, SD · service area(605) 336-7723royjohnsonconstruction.com
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About Roy Johnson Construction

Roy Johnson Construction is a foundation repair company serving the Sioux Falls area, South Dakota.

On its website (royjohnsonconstruction.com) it mentions foundation crack repair, foundation settlement repair, 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 1965.

Opening hours on Google Maps: Monday to Friday 8 am–5 pm; closed Saturday and Sunday.

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Service-area company. Google Maps doesn't publish a street address for it; it appears in searches around Sioux Falls. Ask where it's based and whether it covers your ZIP code.

Foundation services

What Roy Johnson Construction says on its website

Quoted from its website, read in October 2026.

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

Inspections, warranty and payment

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

Opening hours

Monday8 am–5 pm
Tuesday8 am–5 pm
Wednesday8 am–5 pm
Thursday8 am–5 pm
Friday8 am–5 pm
SaturdayClosed
SundayClosed

As listed on Google Maps (July 2026). Call before visiting – hours change.

Roy Johnson Construction on the map

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Dashed pin = service area, no street address. 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 Roy Johnson Construction?

By phone at (605) 336-7723. Through its website, royjohnsonconstruction.com.

When is Roy Johnson Construction open?

Opening hours on Google Maps: Monday to Friday 8 am–5 pm; closed Saturday and Sunday.

What foundation services does Roy Johnson Construction offer?

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

Does Roy Johnson Construction offer free inspections?

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

How much does foundation repair cost in South Dakota?

Estimated for South Dakota: sealing a crack about $232–$743; repairing a settling foundation about $4,180–$18,580, mostly depending on the number of piers. Try the cost calculator and compare written quotes.

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