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Basement waterproofing & crawl space5.0(6 Google reviews)

Great Lakes Waterproofing

Basement waterproofing & crawl space · St Paul, MN

445 Minnesota St #1500, St Paul, MN(651) 340-2901realwaterproofing.com
Free estimate
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About Great Lakes Waterproofing

Great Lakes Waterproofing is listed here as a basement waterproofing and crawl space company in St Paul, Minnesota.

Its website, realwaterproofing.com, names 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 1978.

Opening hours on Google Maps: Monday to Thursday 7 am–10 pm; Friday 6 am–9 pm; Saturday 6 am–10 pm; Sunday 7 am–10 pm.

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Foundation services

What Great Lakes Waterproofing says on its website

Quoted from its website, read in October 2026.

Also typical: crawl space encapsulation, foundation crack repair. 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

Monday7 am–10 pm
Tuesday7 am–10 pm
Wednesday7 am–10 pm
Thursday7 am–10 pm
Friday6 am–9 pm
Saturday6 am–10 pm
Sunday7 am–10 pm

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

Great Lakes Waterproofing 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

  • Interior drain, exterior membrane or crack injection – and why
  • Whether a battery backup sump pump is included
  • What the warranty promises: a dry basement, or only the system
  • How they'll handle structural cracks or bowing walls, if any

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Questions about this company

How do I contact Great Lakes Waterproofing?

By phone at (651) 340-2901. Through its website, realwaterproofing.com.

When is Great Lakes Waterproofing open?

Opening hours on Google Maps: Monday to Thursday 7 am–10 pm; Friday 6 am–9 pm; Saturday 6 am–10 pm; Sunday 7 am–10 pm.

What foundation services does Great Lakes Waterproofing offer?

On its website it mentions foundation waterproofing.

Does Great Lakes Waterproofing 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 Minnesota?

Estimated for Minnesota: sealing a crack about $248–$793; repairing a settling foundation about $4,460–$19,820, mostly depending on the number of piers. Try the cost calculator and compare written quotes.

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