Crawl Space Repair & Basement Waterproofing in Arlington, VA
Musty crawl space air, water at the foundation or a sagging floor? We inspect Arlington homes and explain the recommended repair in a clear written plan.
Start with what you’re noticing at home. Open a service for a short explanation, or follow the link for the full guide.
Crawl Space Encapsulation & Musty Odors
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Musty smells, damp insulation or high humidity can start below the house. We inspect ground moisture, air leaks and water entry before recommending a vapor barrier, sealing or HumidiGuard dehumidification.
Puddles after rain need a drainage plan. We look at how water enters and where it can discharge, then explain whether drainage or a Workhorse sump pump belongs in your repair.
Water at a wall-floor joint, damp walls and recurring leaks can have different causes. Your inspection guides the drainage and waterproofing recommendation.
Uneven floors, damaged joists and sticking doors are reasons to check the framing and supports. We inspect before recommending wood repairs, TerraPost supports or foundation work.
We install foam board and spray foam insulation. The plan explains where each material belongs and how moisture will be addressed alongside the insulation.
Scheduling24/7 scheduling. Inspections take place at your home.
A guide for Arlington homeowners
Crawl Space & Water Problems in Arlington: What to Check Before Repairs
Local drainage resources and practical questions to help you prepare for a repair at your Arlington home.
Start with what you have noticed: where water appears, when a musty smell returns, or which part of the floor feels different. Then connect those observations with an inspection and the local resources below. These references help you ask specific questions before agreeing to a scope of work.
Arlington Property Drainage & Neighboring Lots
Arlington County’s property-drainage guidance addresses questions about runoff between properties and links to its problem-reporting tool. Even a small change at a downspout can change the route across a yard, so point out the existing flow before choosing an extension or drain.
Ask the contractor to show the collection area and outlet and identify any property-boundary question that needs resolution. A crawl space inspection should connect the outside drainage observations to the conditions beneath the floor.
Blocked Street Drains & Water Beneath an Arlington Home
Arlington explains the role of street drains and provides a reporting contact for blockages causing flooding. If a public inlet appears involved, record the location and use the county’s reporting guidance rather than assuming a private crawl space system will correct the street problem.
For your inspection, bring photographs taken safely after rain and describe where water appears first. Ask which proposed work handles water, which controls humidity and whether any damaged joists or supports need their own repair.
Experiences shared on our Arlington location’s Google profile.
★★★★★Google
I had a very positive experience with Crawl Space Brothers for the encapsulation of my crawl space. Terrell came out to inspect the area and provide an estimate. He was thorough in his...Read full review
I had a very positive experience with Crawl Space Brothers for the encapsulation of my crawl space. Terrell came out to inspect the area and provide an estimate. He was thorough in his explanation of the process and estimate and responsive to my questions. After submitting a deposit, I was contacted the next day by the scheduler to make an appointment. On the day of the project, Oliver reached out to provide me with the arrival time of the team and updates throughout the day. When the project was complete, he sent me pictures of the crawl space and answered questions I had about the dehumidifier that was installed. The team was efficient and thoroughly cleaned up the area at the end of the job. After a very bad experience with a different company, working with Crawl Space Brothers was seamless.
AV
Anne V.Verified Google review · Arlington, VA · Oct 2026
★★★★★Google
After multiple estimates that were all over the place for encapsulating my 250 sq ft crawl space, Lane from Crawl Space Brothers showed up with an estimate that was half (sometimes more)...Read full review
After multiple estimates that were all over the place for encapsulating my 250 sq ft crawl space, Lane from Crawl Space Brothers showed up with an estimate that was half (sometimes more) the price that others quoted. He wasn’t trying to upsell with products I didn’t need. The 2 man crew of Hunter and Jay were super efficient and took less than a day to get the job done. Would recommend them!
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Aaron S.Verified Google review · Arlington, VA · Mar 2023
★★★★★Google
I cannot recommend Crawl Space Brothers enough. They did an amazing job encapsulating my Crawlspace which added value to my home and made the basement more aesthetically appealing. They are...Read full review
I cannot recommend Crawl Space Brothers enough. They did an amazing job encapsulating my Crawlspace which added value to my home and made the basement more aesthetically appealing. They are true professionals and will be referring them to my friends/family.
CC
Chris C.Verified Google review · Arlington, VA · Feb 2023
Why Choose Crawl Space Brothers
Crawl Space Brothers has helped homeowners since 2019. Your free inspection leads to custom-engineered recommendations and a written plan for your home.
A free inspection. A plan built for your home. Custom-engineered recommendations, a clear written estimate, and room to ask every question.
How much does crawl space repair cost in Arlington?
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Cost depends on the cause, access, affected area and the work your home needs. Your free inspection leads to a written scope and price, with no pressure to decide on the spot.
Can encapsulation fix standing water in a crawl space?
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A vapor barrier controls moisture moving from the ground; recurring liquid water may also need drainage or a sump pump. We inspect the source before recommending the combination. Learn about crawl space encapsulation.
