
Our Solutions
Your Basement Waterproofing, Crawl Space & Foundation Repair Company in Ashburn, VA
If you have a wet basement, crawl space issues, foundation problems, or sinking, cracked concrete slabs, NV Waterproofing & Foundation Repair can help. Since 1986, we’ve helped local homeowners with all their basement waterproofing, crawl space encapsulation, foundation repair, concrete leveling, concrete repair, and air purification needs.
With an award-winning team and proven products, you’ll have the assurance that the work is done the right way. Plus, our crews are familiar with the Ashburn, VA area, so you can count on us to be there on time. Contact us today and let us know how we can help you!

Schedule your free inspection—
It’ll only take
a minute
Meet with a trusted expert, and get
clear answers about your home.
The Thrasher Promise
No matter the job – we aren’t going to feel good about the hard work we’ve done until you’re happy. So we’ll do it right or make it right. That’s the Thrasher promise.
For the last 45 years in the basement and foundation repair industry, we’ve focused on the value of doing whatever it takes to get the job done and “wow” our customers every step of the way.

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Ready to get started?
Schedule a free estimate to start your repair journey with Thrasher.
Schedule your inspection
Fill out our form or give us a call to book your inspection. Share what you’ve noticed so we can send the right expert to your home.
Full home
inspection
An expert will inspect the problem area and surrounding conditions, including soil movement, drainage, structural integrity, and any related concerns.
Clear explanation
of findings
We’ll walk you through what we’re seeing in easy-to-understand language so you know the root cause of the issue, not just the symptoms.
Review recommendations
If repairs are needed, we’ll outline your options, pricing, and timeline so you can make the best decision for your home.








