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Basement waterproofing & crawl space4.7(36 Google reviews)

South Jersey Waterproofing

Basement waterproofing & crawl space · Williamstown, NJ

1915 Orchard Dr, Williamstown, NJ(856) 428-8271southjerseywaterproofing.com
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About South Jersey Waterproofing

South Jersey Waterproofing is listed here as a basement waterproofing and crawl space company in Williamstown, New Jersey.

Its website, southjerseywaterproofing.com, names foundation inspection, foundation crack repair, bowing basement wall repair, foundation waterproofing and crawl space encapsulation. The quotes below link to the page where each one appears, so you can check them.

Service area on its website: South Jersey.

Google Maps lists it as open 24 hours, every day.

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Foundation services

What South Jersey Waterproofing says on its website

Quoted from its website, read in October 2026.

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

MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours

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

South Jersey 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 South Jersey Waterproofing?

By phone at (856) 428-8271. Through its website, southjerseywaterproofing.com.

When is South Jersey Waterproofing open?

Google Maps lists it as open 24 hours, every day.

What foundation services does South Jersey Waterproofing offer?

On its website it mentions foundation inspection, foundation crack repair, bowing basement wall repair, foundation waterproofing and crawl space encapsulation.

Does South Jersey 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 New Jersey?

Estimated for New Jersey: sealing a crack about $263–$842; repairing a settling foundation about $4,738–$21,060, mostly depending on the number of piers. Try the cost calculator and compare written quotes.

Foundation repair near Williamstown

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