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TRUSTED BY DAHLGREN, VA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon30
    Verified basement waterproofing services reviews

Find Basement waterproofing pros in Dahlgren

Avatar for NV Waterproofing & Foundation Repair
NV Waterproofing & Foundation Repair
4.5(
187
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Dahlgren, VA and surrounding areas

Approved (Corporate)

In business since 1986

Free estimates

Emergency services offered

"I was very impressed with the whole experience with NV Waterproofing, from the estimate to the completion of the work. I had mold growing on a basement wall and a perpetual musty smell in the basement. Cristian came out to do the estimate. He did a full walk around outside the house and then did a thorough inspection of the basement. It was good to see that he used a moisture meter when doing the inspection. It's amazing that out of four companies that did estimates, NV Waterproofing and one other were the only ones to bring that tool. He looked at a waterproofing system that had been installed right before I moved in and explained what was wrong with it and then explained how it could be fixed. He was patient and explained everything. I appreciated that he did not put any pressure on us to sign anything before he left. After getting the estimate, I had questions and called the office t get answers. The office staff was great, answering what they could and forwarding the rest to Cristian who answered them promptly. Between scheduling the work and the work beginning, the Covid crisis hit. NV Waterproofing was great with working with us to explain our options of continuing with the work or rescheduling. I decided to go ahead with the job. The crew that performed the work was very professional. All had masks, all kept a good distance, and they did a great job of keeping the place clean. The foreman was easy to contact and promptly answered any questions I had during the job. All in all they were great. Including coming back promptly to finish off a final piece of work that had gotten overlooked."
Crawlspace Encapsulation
Damp dirty crawlspace with Rodent infestation
Additional Photos
Exterior drainage
Wall Anchors for failing foundation walls

+29

Response time1 day
Response rate100%
35 neighbors recently requested a quote
Avatar for Managed Services Group, LLC
Managed Services Group, LLC
4.8(
43
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Dahlgren, VA and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"Our garage has never felt so good. Shane was easy to work with and pleasant. The work was done well. Now that all of our contents are back in the garage everything is in good condition. We are very pleased with work which was completed."
Hanging the Dehumidifier
Hanging the Dehumidifier
Clean
Attic Entrance
Crawlspace Access

+62

Response time2 days
20 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for JES Foundation Repair
JES Foundation Repair
4.0(
755
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Dahlgren, VA and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Warranties offered

"Blaine Harvey from JES came to provide us with an assessment and proposal of our to fix our basement problems. Blaine was very knowledgeable and thorough in his explanation of the JES solutions and brainstorming how to meet our repair and basement needs."
Protect Your Basement
Protect Your Basement Before & After
Correct Your Wet Basement
Waterproof Your Basement
Protect Your Concrete Before & After

+16

229 neighbors recently requested a quote
Recommended by75%of homeowners
S&S Waterproofing and Foundation Repair
5.0(
2
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Dahlgren, VA and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"This is the second time that I have used S&S Waterproofing and Foundation Repair. The first time was to fix very large sink holes that were opening up in my front yard, apparently due to underground collapsed drainage piping. This time, when I contacted Steve I asked if they did retaining walls. Steve came to look at the job. I immediately expressed my concern with my limited budget, which Steve completely understood. He offered several options on how to complete the job within my budgetary constraints. We hired S&S Waterpoofing and Foundation Repair to do the job. During each phase of the job, Steve sent me photos of the job progression. He answered any questions that I had almost immediately via text message. Most importantly, he also made sure that my wife was onboard with anything that they were doing. Apparently he knows who controls the money and who the boss is! LOL! Additionally, during the job Steve identified issues with a previous contractors work and addressed those for me as well. Steve is very concerned with customer satisfaction, that is incredibly important to me and my wife! The end result was a beautiful retaining wall. The only thing better than the beauty of the wall is how well it works, drainage is completely handled with ease, even during bad rainstorms! When visitors come to the house, they all ask who built the new wall because it looks incredible! Thank you to Steve and his crew for doing such an amazing job! I am sure this is not the end of our relationship, I will be calling Steve for any of my construction needs in the future! Finally, I just wanted to say, I am the type of person that has anxiety with these types of situations, due to the cost issue, my personal lack of knowledge, and an inability to be able to see the end result before it's accomplished. It is incredible to have confidence in someone doing the work. Someone that keeps me updated, keeps within my budget, makes customer service a top priority. Steve, I can't say thank you enough!"
Foundation Repair
Foundation Repair
Foundation Repair
Foundation Repair
Interior Waterproofing

+12

Response time40 mins
Recommended by100%of homeowners
Avatar for Kefficient Foundations and Waterproofing
Kefficient Foundations and Waterproofing
5.0(
5
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Dahlgren, VA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

At Kefficient We're Always Going Above And Beyond!\nWe're a company focused on customer experience in Richmond. Our goal is to provide information that helps you make the best decision for your home. We take the time to explain everything: what your home needs, why it is needed, what the cost will be, and any possible alternatives. Our crew never engages in high-pressure sales. You can rest assured our friendly, hard-working, supportive team will guide you through the process so, you always feel confident.

My jobs
3 neighbors recently requested a quote
Avatar for Crawl Space Brothers- DC
Crawl Space Brothers- DC
3.4(
5
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Dahlgren, VA and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

Crawl Space Brothers is a family-owned company proudly serving Charlotte and nearby neighborhoods, including South End, Dilworth, SouthPark, Myers Park, and Madison Park. Our team specializes in crawl space repair, crawl space encapsulation, foundation repair, basement waterproofing, drainage services, insulation installation, and moisture control. From standing water and mold prevention to repairing foundation cracks and restoring wet basements, our tailored building restoration solutions protect your home’s safety and value. With years of experience, proven techniques, and trusted service, we deliver reliable, long-lasting results. Schedule a free inspection today and discover why Charlotte homeowners rely on Crawl Space Brothers.

Crawl Space Brothers
CRAWL WATERPROOFING
CRAWL WATERPROOFING
CRAWL WATERPROOFING
Crawl Space Brothers

+5

5 neighbors recently requested a quote
Avatar for S&S Waterproofing And Foundation Repair
S&S Waterproofing And Foundation Repair
4.9(
39
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Dahlgren, VA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"We were very pleased with the foundation waterproofing work done for us by S&S Waterproofing. They were responsive to our calls, patient with our questions, and prompt with their service. The crew worked hard and efficiently. It was a big job, and required a lot of digging. They managed the work site well, and at the end of the project, they cleaned everything up nicely, replanted the bushes we wanted to have replanted, sowed grass, and spread down appropriate quantities of straw. We recommend them highly."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+13

Response time7 hrs
Recommended by100%of homeowners
Avatar for Ernest Waterproofing
Ernest Waterproofing
4.4(
61
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Dahlgren, VA and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"We were scammed by another waterproofing corporation that failed the Fairfax County inspection. Ernest Waterproofing came and saved our house from the mess the other company left. At the time of the inspection, the county inspector completed their work. They were on time, clean, and professional. We are grateful we did business with them."
Ez Breath
Door Drain
French Drain With Vapor Barrier
Exterior Excavation
Waterproofing Membrane

+9

Response time1 day
Recommended by95%of homeowners
Showing 1-10 of 38
Basement Waterproofing questions, answered by experts

You can seal a concrete slab by cleaning the surface, filling in any cracks, etching the surface, applying a sealer, and letting it dry. Concrete slabs don't typically need sealing, but you can use a topical concrete sealer if you notice signs of water damage. If you haven't already fixed the cause of the leak, then you'll want to repair the plumbing before you seal a concrete slab.

The most flood-resistant materials you can count on in a flood scenario are concrete, closed-cell insulation, foam insulation (also known as expandable foam), pressure-treated wood, marine-grade plywood, and ceramic tile. When a material is flood-resistant, it can withstand direct contact with floodwater for at least 72 hours without being significantly damaged.

Yes, cleaning a crawl space is worth the cost. Although it's an out-of-sight area, neglecting it can lead to significant problems like pest infestations (including termites and carpenter ants), mold, and fungal growth, which can cause structural damage. Regular cleaning helps prevent these issues. While hiring a contractor has ongoing costs, the price for cleaning—typically between $0.50 and $4 per square foot—is much lower than the cost to remediate a pest or mold problem. Additionally, a clean crawl space can lead to improved indoor air quality and more comfortable temperatures in your home.

Interlocking garage tiles made with PVC are the most effective for garages with past issues of humidity and flooding because damp concrete is not suitable for paint. Epoxy coating is also water-resistant and can prevent mold buildup. Finally, porcelain tiles are a wonderful option for wet conditions if your budget allows.

You’ll need to reseal the foundation every five to 10 years, depending on the sealant you’ve used, the moisture conditions present in and around your home, and the condition of your foundation. Having a foundation inspection conducted before reapplication can help you catch any problems before you begin resealing. Of course, if you notice any new leaks or other moisture problems at any time, it may be necessary to reseal the foundation sooner.

The Dahlgren, VA homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.