Foundation leaking? Basement smells off? Halo Water Proofing sends a real technician to your Gaithersburg property, gives you a straight answer, and fixes it right the first time.
Licensed & insured in MD Β· 24/7 dispatch

Halo Water Proofing is a MD-licensed Emergency Waterproofing company that treats every Gaithersburg job like it's the only one on the schedule.
We don't run a bidding war between crews. The Gaithersburg technician who inspects your property is the same one who does the repair, start to finish.
Our Gaithersburg crew leads carry years of hands-on repair experience, not just sales training β which is why the advice you get on-site tends to match what actually needs fixing.
Talk to a real Gaithersburg technician today, not an automated queue. We'll explain what's going on and get you scheduled.
π +1-866-476-1348Catching one of these early usually means a smaller repair bill and a lot less stress for Gaithersburg homeowners.
Odor is often the very first clue Gaithersburg homeowners notice, well before any water is visible.
A crack that wasn't there last year is worth a look before it becomes an active leak point.
That white powder on basement walls is mineral residue left behind as water passes through the concrete.
A Gaithersburg sump pump that never rests is usually undersized or nearing the end of its life.
This is one sign we tell Gaithersburg customers never to wait on β wall movement tends to progress, not resolve on its own.
Peeling paint near the floor upstairs is one of the last signs Gaithersburg homeowners connect to a basement problem.
Whatever's going on with your Gaithersburg property, chances are we've already fixed something similar nearby this month.
Storm season keeps our Gaithersburg 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 βMost Gaithersburg pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
Book a Pump Check βSome Gaithersburg properties need both systems working together β we'll say so honestly instead of selling just one.
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 βCommercial water intrusion means bigger stakes β inventory, tenants, downtime. We scope commercial Gaithersburg jobs with written specs and a real timeline.
Request a Commercial Quote βNo pressure, no scripts β just what actually happens once you call +1-866-476-1348.
A real technician asks the right questions to understand what's likely happening at your Gaithersburg property before anyone drives out.
No jargon, no pressure β just a clear look at what's actually going on.
The number you approve is the number you're billed β no change orders once the crew shows up.
Once the job's done, you get written proof of what was installed and exactly what the warranty covers.
We've heard every Gaithersburg horror story about contractors who disappear mid-job or pad the invoice. Here's how we do it differently.
There's no verbal quote that grows once the crew shows up β the written estimate is final.
Our crews stage locally near Gaithersburg, 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.
We'd rather earn a repeat Gaithersburg customer with an honest fix than push a system you don't need.
We can supply the documentation most carriers ask for before approving a Gaithersburg claim.
Word of mouth is still how most Gaithersburg customers find us, which keeps our standards high.
"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."
"Handled waterproofing for our parking structure with minimal disruption to tenants and stuck to the schedule."
"Expected a huge bill for three cracks, only one actually needed injection. Appreciated the honesty."
"First contractor who actually explained where the water was coming from instead of just quoting a number."
"Sump pump inspection was thorough and they didn't try to sell me a new one when mine just needed a part replaced."
We back our Gaithersburg work with real, transferable warranties because we plan to be here long after the job is done, not just for the one visit.
π +1-866-476-1348Our Gaithersburg coverage spans the full metro area, residential and commercial alike.
We cover these Gaithersburg-area zip codes: 20899 20878 20879 20877 20884 20885 20898 20882 β plus nearby communities. One call confirms coverage and gets a technician scheduled.
The map below shows our general Gaithersburg coverage area. Call +1-866-476-1348 to confirm service at your exact address.
One call to +1-866-476-1348 gets a licensed Gaithersburg technician on the schedule β often same-day, 24/7 for real emergencies.
π Call +1-866-476-1348 β Gaithersburg 24/7 Line