Mon-Fri 9am to 5pm

4307 Wheeler Avenue, Suite 100

Crawl Space
Repair Experts
in the DMV

Seal Out Moisture,
Mold & Musty Air for Good

We seal, insulate, and protect crawl spaces to eliminate moisture, improve air quality, and protect your home’s health from the ground up. From Arlington and Alexandria to Fairfax, Bethesda, and the greater DMV region, our team helps homeowners turn damp, unhealthy crawl spaces into clean, protected areas.

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Is Your Crawl Space Causing Problems?

Warning Signs
You Shouldn’t Ignore

Most homeowners never see their crawl space, but when it’s unsealed, it can quietly cause serious damage. In Arlington, Alexandria, Fairfax, and nearby DMV communities, older vented crawl spaces, humidity, and drainage problems can lead to moisture, mold, wood damage, and poor indoor air quality.

Here are some signs it’s time to schedule a crawl space inspection.

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DMV Foundation Solutions

Musty Odors in Living Areas

Smells rise from unsealed crawl spaces through your HVAC system.

High Indoor Humidity

Excess moisture often starts in the crawl space or the ground below your home.

Mold or Mildew Growth

Mold and mildew are signs of trapped moisture, poor airflow, or an unprotected crawl space.

Cold Floors in Winter

Poor insulation and damp air can affect comfort in the rooms above.

Sagging Floors or Rusted Ducts

Moisture can weaken supports, damage wood framing, and corrode HVAC lines.

Additional Usable Storage

A sealed, clean crawl space can become a functional area for safe, dry storage.

Proven Crawl Space Repair Systems

Seal, Insulate & Protect Your Home from the Ground Up

Our crawl space repair systems are tailored to your home, not a one-size-fits-all approach. We assess your crawl space structure, drainage, moisture levels, and airflow to design a solution that protects your foundation and improves indoor comfort.

For homes in Arlington, Alexandria, Fairfax, Bethesda, and throughout Northern Virginia and the DMV region, that often means addressing more than one issue at a time: moisture, insulation, drainage, access, humidity, and long-term protection.

Crawl Space Repair FAQs

What DMV Homeowners Ask Most Often

A: Crawl space encapsulation is the process of sealing the crawl space with a heavy-duty vapor barrier, insulation, sealed vents or access points, and, when needed, a dehumidifier. For Arlington and DMV homes, encapsulation helps control moisture, reduce musty odors, and create a cleaner space beneath the home.

A: Most projects are completed in 2 to 4 days, depending on the size and condition of the space.

A: If your crawl space has standing water, musty odors, mold concerns, damp insulation, cold floors, or high humidity, repair or encapsulation may be necessary. Many older homes in Arlington, Alexandria, Fairfax, and the greater DMV region have crawl spaces that need better moisture protection.

A: Absolutely, encapsulation reduces energy loss and helps regulate temperatures.

A: Yes. Our encapsulation systems include long-term, transferable warranties.

A: Yes. We offer affordable payment options, including 0% interest plans.

Many homes in Arlington, Alexandria, Fairfax, and the surrounding DMV region were built with crawl spaces that were never designed for today’s moisture-control standards. Older vented crawl spaces can allow humid outdoor air to enter, while poor grading, short downspouts, and exposed soil can add even more moisture beneath the home.

Over time, that moisture can lead to musty odors, mold concerns, insulation damage, wood rot, pest activity, and sagging floors. DMV Foundation Solutions inspects the full crawl space environment so we can recommend the right mix of encapsulation, waterproofing, drainage, insulation, and structural repair.

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DMV Foundation Solutions

STILL HAVE QUESTIONS?

Can’t find the answer you’re looking for? Contact the DMV team and we will help. Whether you’re dealing with crawl space moisture in Arlington, musty odors in Alexandria, cold floors in Fairfax, or drainage issues elsewhere in the DMV region, our team can inspect the problem and recommend the right solution.

What Homeowners Are Saying

See Why DMV Is a Trusted Local Name

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C
Google star 1Google star 2Google star 3Google star 4Google star 5
We had a great experience with DMV Foundation. I had cracks in my foundation, and I called a number of companies. Each company suggested a different answer to the problem and estimates varied widely. I ended up hiring an independent engineer to get an unbiased opinion. The engineer's report tracked what DMV told me precisely. Amazingly, this was also the least invasive and most affordable solution. DMV earned my trust. They were honest, fair, showed up on time and did great work. I highly recommend them.
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Corinne Metz profile picture
Corinne Metz
Google star 1Google star 2Google star 3Google star 4Google star 5
Yos and his team really know what they are doing! They inspected our home and told us what we needed. The work that was done looks great and we have no more issues. The team is highly professional, considerate and was flexible with our schedule. They have gone out of their way to accommodate us. You can’t do better than this company!!! They are the best!
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Kelly Shoop profile picture
Kelly Shoop
Google star 1Google star 2Google star 3Google star 4Google star 5
I had a consultation with DMV at the strong recommendation of my neighbor and they did not disappoint. Yos was thorough, responsive, and very patient with all of my questions, including follow up emails. I particularly appreciated the transparency on cost. Would highly recommend them to anyone in the market for waterproofing or foundation repair.
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LaGaye MacDowall profile picture
LaGaye MacDowall
Google star 1Google star 2Google star 3Google star 4Google star 5
Logan was so patient answering all our questions! Great customer service.
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Alexsa MacDowall profile picture
Alexsa MacDowall
Google star 1Google star 2Google star 3Google star 4Google star 5
Thankful for this company! Very professional and the office staff is very helpful! Definitely recommend.
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Logan Landers profile picture
Logan Landers
Google star 1Google star 2Google star 3Google star 4Google star 5
Russell was nothing short of awesome! Great service, great information. A++!!
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Randy Harding profile picture
Randy Harding
Google star 1Google star 2Google star 3Google star 4Google star 5
DMV Foundations is an absolute pleasure to work with! As a contractor who remodels homes, I’ve partnered with them on multiple projects, and they consistently excel at diagnosing foundation issues and water problems accurately and thoroughly. They always provide honest, cost-effective solutions and back them up with a skilled team that executes the work flawlessly. Communication throughout the entire process is top-notch. I highly recommend DMV Foundations and will continue using them for all my foundation needs!
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Matt profile picture
Matt
Google star 1Google star 2Google star 3Google star 4Google star 5
Honestly, I am skeptical of home repair contractors generally. But DMV was absolutely 100% fantastic in every way. Water was leaking into my basement and I met with 3 or 4 waterproofing companies. It was clear to me that DMV was different because they were careful before giving their recommendation about how to fix it while the others had the same canned/off the shelf approach that they probably sell to everyone. They came in and did their work as they promised and it fixed the problem. I also contacted them in the middle of the night when I thought I had a gas leak and their response was immediate and excellent. In a market full of pretenders, these guys are serious professionals. I highly recommend them.
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Simone profile picture
Simone
Google star 1Google star 2Google star 3Google star 4Google star 5
It would definitely hire DMV Foundation Solutions again if I need to. They came out and quickly determined the problem and offered a solution. They completed an exterior waterproofing project and it completely fixed the flooding I had in my basement.
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John Murphy profile picture
John Murphy
Google star 1Google star 2Google star 3Google star 4Google star 5
This family owned business is incredible. Quick and responsive! thorough! helpful! and reasonably priced!

Our Recent Work in Your Area

Crawl Spaces Transformed into Clean, Dry, Healthy Areas

Crawl space problems are common in the DMV, and we’ve solved them for homeowners just like you. Explore our case studies to see how we deliver clean, energy-efficient, and worry-free spaces.

Financing Available for Every Budget

Flexible Plans for Waterproofing, Encapsulation & Repair Services

Encapsulation doesn’t have to break the bank. Explore our flexible payment plans designed to fit your budget.

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