
Our Services
Basement Waterproofing, Crawl Space Repair & Foundation Repair Services For VA, D.C. & MD Homes
Our area of expertise is basement waterproofing. We know the last thing any homeowner wants is water in their basement, so we work hard to ensure your wet basement is a thing of the past with highly effective basement waterproofing solutions. We can help with puddles of water in your basement and offer moisture control systems to prevent mold growth and other costly issues.
For homes with crawl spaces, problems below your home can affect the entire house. Excess moisture, weakened supports, and poor insulation can lead to sagging floors, wood rot, mold growth, musty odors, and high humidity. Addressing these issues early helps protect your home’s structural integrity, improve indoor comfort, and prevent more costly repairs down the road.
Whether you’re dealing with a wet basement, crawl space moisture, or structural damage, we provide comprehensive solutions, including:
- Drainage systems
- Crawl space waterproofing
- Sump pumps
- Window wells
- Vapor barrier systems
- Crawl space insulation
- Energy-efficient dehumidifiers
- Crawl space support jacks
We are proud to turn wet, stinky spaces into dry, healthy basements, offering a variety of basement waterproofing products and services to homeowners across Virginia, the District of Columbia, and Maryland, including sump pumps, dehumidifiers, window wells, and so much more.
Customer Reviews Trusted By
Homeowners Like You
At NV Waterproofing & Foundation Repair, 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. NV Waterproofing & Foundation Repair has received hundreds of positive reviews on Best Pick Reports and Angie’s List, and we’ve maintained an A+ rating with the Better Business Bureau.
NEED TRUST INDEX
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.
Foundation Repair Professional Proudly Serving Washington D.C., Alexandria, Arlington & Nearby
When your home’s structural stability is at stake, it’s always better to act sooner rather than later. NV Waterproofing & Foundation Repair is the foundation repair company you can rely on for all of your structural repairs and crack repair solutions in Washington D.C., Alexandria, Gaithersburg, Arlington, Germantown, and nearby. Plus, we even offer solutions for sinking, cracked concrete sidewalks, driveways, pool decks, and interior floors.
NV Waterproofing & Foundation Repair offers these products for durable, long-lasting concrete and foundation repairs:
- Foundation piers for settling foundations, tilting chimneys, and foundation cracks
- Wall anchors for bowing foundation walls, stair-step cracking, and diagonal cracking in corners
- Street creep systems to reinforce foundation walls and prevent future damage
- Crawl space support posts to level uneven interior floors and provide support for undersized and sagging beams
- Concrete leveling to stabilize and restore sinking slabs using PolyLevel®.
- Cracked concrete repair to fix cracks and joints using a powerful concrete sealant, NexusPro®.
With high-quality products and proven techniques, no project is too large or too small. Reach out to us today at 1-703-690-3889 or fill out our online form to schedule a free estimate in Washington D.C., Alexandria, Arlington, Ashburn, Gaithersburg, Sterling, Bethesda, Gainesville, Silver Spring, Fairfax, and nearby!












