Foundation leaking? Basement smells off? Halo Water Proofing sends a real technician to your Chantilly property, gives you a straight answer, and fixes it right the first time.
Free, no-obligation estimates Β· Real warranties

Halo Water Proofing is a VA-licensed Wet Basement Repair company that treats every Chantilly job like it's the only one on the schedule.
Our Chantilly crew leads have handled repairs like yours dozens of times before, and a supervisor signs off before we call any job finished.
We've worked on foundations from decades-old Chantilly homes to brand-new builds still settling into their soil, so whatever your basement is dealing with, we've likely seen a version of it nearby.
One phone call gets you a straight answer and a real appointment β not a vague callback promise.
π +1-866-476-1348Water problems build slowly before they become emergencies. These are the clues our Chantilly crews hear about most.
If the basement smells damp no matter the season, water is likely finding a way in somewhere you can't see.
Small cracks in a Chantilly foundation rarely stay small β seasonal ground movement tends to widen them over time.
Efflorescence is a reliable early sign that water is moving through your Chantilly foundation wall right now.
If your pump only shuts off for a few minutes at a time, it's worth having it checked before it fails outright.
If a foundation wall looks like it's curving inward, that's beyond a simple patch and needs a real assessment.
Flooring that's cupping near an exterior wall often traces straight back to a basement moisture issue below.
No two Chantilly basements are the same β soil type, age of the home, water table. We match the fix to your actual problem.
Storm season keeps our Chantilly emergency line busy β active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help βNot every crack means a structural problem, but every crack deserves a real look. We'll tell you which kind yours is.
Ask About Crack Repair βAlready have a pump that's struggling? We'll test it honestly and tell you whether it needs replacing or just a tune-up.
Book a Pump Check βAn interior drain tile system routes water to a sump pump before it reaches your Chantilly basement floor at all.
Talk Drainage Options βMusty smell upstairs with no obvious source? Check the crawl space first β it's usually the culprit.
Get a Crawl Space Quote βWe handle below-grade waterproofing for Chantilly property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote βNo pressure, no scripts β just what actually happens once you call +1-866-476-1348.
We figure out fast whether this needs an emergency dispatch or a scheduled inspection.
A Chantilly technician walks the property, checks the foundation and drainage, and explains what's found in plain language.
No verbal number that quietly grows once the truck pulls up β the written quote is the final word.
Once the job's done, you get written proof of what was installed and exactly what the warranty covers.
We've heard every Chantilly horror story about contractors who disappear mid-job or pad the invoice. Here's how we do it differently.
You get a real number before any work starts β what you approve is what you're billed.
Our crews stage locally near Chantilly, which is why most emergency calls get a technician on-site in under two hours.
If a covered repair fails, we come back and fix it. That's part of the contract, not just a promise.
Our technicians are trained to diagnose accurately, not to upsell β that changes the advice you actually get.
We photograph the damage and provide a written scope your insurance adjuster can actually use.
Every Chantilly job reflects on the next referral, so we treat each one like it matters.
"Called during a storm and had a tech at my door within two hours. Explained everything before touching anything β basement's been dry since."
"Fair price, on time, cleaned up after. Wish every contractor worked this way."
"Our sump pump died during the worst storm of the year, obviously. Battery backup was installed the next day and we haven't worried since."
"Straightforward commercial quote, professional crew, no back and forth."
"French drain install took two days exactly as quoted, and the yard looked better than before."
"Insurance claim was stressful until they stepped in with photos and a written scope. Approved within a week."
"Crew was respectful of our landscaping during the drain install and left the yard looking better than before they started."
We back our Chantilly work with real, transferable warranties because we plan to be here long after the job is done, not just for the one visit.
π +1-866-476-1348Halo Water Proofing covers Chantilly and the surrounding zip codes β from long-established neighborhoods to newer builds still settling on their foundations.
Zip codes we serve in and around Chantilly: 20151 20153 20152. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
The map below shows our general Chantilly coverage area. Call +1-866-476-1348 to confirm service at your exact address.
The longer water sits against your foundation, the more it costs to fix. Our Chantilly line is open right now.
π Call +1-866-476-1348 β Chantilly 24/7 Line