Foundation Contractor Serving All of Northeast Wisconsin

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Let Our Pros Protect and Improve Your Basement

& Commercial Properties


ABC Waterproofing, LLC has decades of experience identifying and solving foundation and basement issues. We offer a full range of options.   We service both residential  and commercial properties.  After performing a site visit to evaluate and discover the nature of the problem, we will determine the most effective and appropriate repair solution, and the best method to address the cause. A proposal will then be developed and presented to you based on this information.

Why Choose  ABC Waterproofing, LLC?


Our trusted technicians will use proven, time-tested techniques and the latest technology to solve your residential and commercial  foundation problems. Whether there is water penetration or unstable walls, we have solutions. We're fully insured, and we warranty our work too! Have an urgent need? Give us a call. Our prices are competitive. We are veteran owned and proud to offer military discounts.  Contact ABC Waterproofing, LLC today for a free estimate, or fill out our online form to request a call back.

Locally and Family-Owned for 35+ Years

We Warranty Our Work

Competitive Prices

Same-Day Service

We Take Care of Necessary Permits

Insurance Claims Accepted

Residential & Commercial Work

Basement Waterproofing

Are the DIY patching solutions not working for your leaky basement? Count on our expert team to provide the long-lasting fix you need!

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Foundation Repair

Are there cracks in your foundation? Has it become more unstable over the years? Prevent serious damage to your home with professional foundation repairs provided by ABC Waterproofing, LLC.

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Sump Pumps and Pits

Whether your existing sump pump needs to be upgraded or you need a new sump pump and pit installed, we've got you covered.

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Interior Drain Tile Work

Drain tile is one of the solutions we offer to keep water from seeping into your basement. An interior drain tile is a good option, while exterior drain tile is not feasible.

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Egress Windows

Adding an Egress window will let more natural light into your space. Add safety with an emergency exit and increase the value of your home.

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Grading Services

Let ABC Waterproofing, LLC keep the excess water on your property flowing in the right direction! We provide precision-quality grading for new construction sites and existing homes.

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Foundation and waterproofing signs

Here's what our satisfied customers are saying...

At ABC Waterproofing, LLC, we take pride in providing exceptional basement waterproofing and foundation repair services to our residential and commercial  customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve, and helps others make informed decisions. Please take a moment to leave a review of ABC Waterproofing, LLC and let others know what you think.

Learn More About ABC Waterproofing, LLC

Serving Northeast Wisconsin, ABC Waterproofing, LLC specializes in basement waterproofing and foundation repair Appleton, WI relies on. Same-day service available. Warranties available. Competitive pricing. Call for a free estimate.

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