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.
Free, no-obligation estimates Β· Written pricing

We built Halo Water Proofing around a simple promise: show up when we say, tell you the truth about what's wrong, and fix it so it stays fixed.
Our Gaithersburg 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 Gaithersburg 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 Gaithersburg crews hear about most.
Odor is often the very first clue Gaithersburg homeowners notice, well before any water is visible.
Small cracks in a Gaithersburg 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 Gaithersburg foundation wall right now.
A pump under constant strain tends to fail during the exact storm that needs it most.
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.
No two Gaithersburg 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 Gaithersburg emergency line busy β active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help βSeasonal ground movement in Gaithersburg tends to widen existing cracks over time, so sealing early usually costs less than waiting.
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 βFor yards fighting bad grading, an exterior French drain intercepts water before it ever touches the foundation wall.
Talk Drainage Options βOlder Gaithersburg homes with vented crawl spaces see the biggest swings in seasonal humidity β encapsulation closes that off for good.
Get a Crawl Space Quote βWe handle below-grade waterproofing for Gaithersburg property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote βHere's exactly what Gaithersburg customers can expect from first call to final walkthrough.
A real technician asks the right questions to understand what's likely happening at your Gaithersburg property before anyone drives out.
A Gaithersburg 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.
Our crew completes the repair, cleans up, and walks you through the warranty on what was installed.
Plenty of companies advertise Sump Pump Installation in Gaithersburg β here's what actually separates the ones worth calling from the ones that aren't.
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.
Every Gaithersburg 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."
If a covered repair doesn't hold up, we come back and make it right β no arguing, no extra invoice. That's written into every Gaithersburg contract we sign.
π +1-866-476-1348Halo Water Proofing covers Gaithersburg and the surrounding zip codes β from long-established neighborhoods to newer builds still settling on their foundations.
Coverage in Gaithersburg includes 20899 20878 20879 20877 20884 20885 20898 20882 and neighboring communities β if you're just outside that list, call anyway, since we often extend service case by case.
The map below shows our general Gaithersburg 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 Gaithersburg line is open right now.
π Call +1-866-476-1348 β Gaithersburg 24/7 Line