Ensuring healthy basements since 1986

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HomeAid Northern Virginia
Youth for Tomorrow
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Northern Virginia Building Industry Association

Trusted Basement Waterproofing & Foundation Repair Company in Virginia, District of Columbia, and Maryland

Local expert for wet basement solutions and foundation repair in Greater Washington D.C.

Since 1986, NV Waterproofing's team of experienced technicians has solved underlying water problems for thousands of homeowners. We turn wet, stinky spaces into dry, healthy basements and outdoor living spaces. From basement waterproofing to foundation repair and crack repair, we can ensure that your home stays safe and dry.

To find out more about our wet basement solutions and foundation repair services, contact the waterproofing experts at NV Waterproofing today. We offer free, no-obligation cost estimates in Washington DC , Arlington, Alexandria, and throughout surrounding areas.

Why Virginia, District of Columbia, and Maryland customers choose us

In Business since: 1986

Locally owned and operated company

Angie's List Super Service Award winner

FREE Estimates on work needed

Quality basement waterproofing services for VA, D.C., and MD homes

At NV Waterproofing, we pride ourselves on the honesty and integrity that we bring to every home improvement project we undertake. But don't just take our word for it! Our reputation is built on over 30 years of exceptional customer service, and we have received hundreds of positive reviews on Best Pick Reports and Angie's List and maintain an A+ rating with the Better Business Bureau.

As one of the most trusted basement waterproofing contractors in Virginia, District of Columbia, and Maryland, NV Waterproofing provides homeowners with wet basement solutions, foundation repair services, crack repair products, mold and mildew protection, and more. We can transform your damp, musty basement into a clean, dry space that's perfect for storage or living!

Our customers think we're great

Recent Testimonials

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“Your crew worked hard all day, only taking a short time for a quick lunch. The men were neat, completely covering all areas that they used to remove concrete,...”

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Mat and Peggy M. of Ashburn, VA

“The workmen showed up right on time. They were courteous and pleasant – and they told us EXACTLY what they were going to do. Once they dug down to the...”

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Fred L. of Sterling, VA

“The reason for this high review is because of the high quality character of Jim. NV came to my home to investigate water infiltrating my basement from a front...”

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J M. of Sterling, VA

“We used NV Waterproofing (NV) to fix a basement water leak in an addition to our house. NV provided the clearest estimate (we received estimates from multiple...”

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Travis B. of Herndon, VA

“We have used NV Waterproofing several times now for different issues that have arisen in our basement. We have found them to be very professional, courteous,...”

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Heather S. of Reston, VA

Contact us today for foundation repair services and more

When your home's structural stability is at stake, it's always better to act sooner rather than later. NV Waterproofing is the foundation repair company you can rely on for all of your structural repairs and crack repair solutions in Washington DC , Arlington, Alexandria. With high-quality products and proven techniques, no project is too large or too small!

Whether you need basement waterproofing, drainage solutions, foundation repair services, or crack repair solutions, or new home waterproofing, NV Waterproofing can help. We proudly serve Gaithersburg, Ashburn, Bethesda, Sterling, Fairfax, Gainesville, Silver Spring, and throughout nearby areas. Contact us today to schedule your free cost estimate!


our service area

We serve Ashburn and the nearby area

  • Adamstown
  • Barnesville
  • Beallsville
  • Bethesda
  • Boyds
  • Braddock Heights
  • Brunswick
  • Buckeystown
  • Burkittsville
  • Cabin John
  • Chevy Chase
  • Clarksburg
  • Damascus
  • Derwood
  • Dickerson
  • Frederick
  • Gaithersburg
  • Garrett Park
  • Germantown
  • Glen Echo
  • Ijamsville
  • Jefferson
  • Kensington
  • Knoxville
  • Middletown
  • Monrovia
  • Montgomery Village
  • Myersville
  • New Market
  • Olney
  • Point Of Rocks
  • Poolesville
  • Potomac
  • Rockville
  • Suburb Maryland Fac
  • Tuscarora
  • Washington Grove
  • Aldie
  • Annandale
  • Berryville
  • Bluemont
  • Boyce
  • Bristow
  • Broad Run
  • Brucetown
  • Burke
  • Calverton
  • Casanova
  • Catharpin
  • Centreville
  • Chantilly
  • Chester Gap
  • Clear Brook
  • Clifton
  • Delaplane
  • Dulles
  • Dunn Loring
  • Fairfax
  • Fairfax Station
  • Falls Church
  • Front Royal
  • Gainesville
  • Great Falls
  • Greenway
  • Hamilton
  • Haymarket
  • Herndon
  • Hume
  • Leesburg
  • Lincoln
  • Linden
  • Lovettsville
  • Manassas
  • Markham
  • Marshall
  • McLean
  • Merrifield
  • Middleburg
  • Millwood
  • Nokesville
  • Oakton
  • Orlean
  • Paeonian Springs
  • Paris
  • Philomont
  • Purcellville
  • Rectortown
  • Reston
  • Round Hill
  • Stephens City
  • Stephenson
  • Sterling
  • The Plains
  • Upperville
  • Vienna
  • Warrenton
  • Waterford
  • West Mclean
  • White Post
Our Locations:

NV Waterproofing
7780 Progress Ct
Gainesville, VA 20155