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

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.
We don't run a bidding war between crews. The Uniondale technician who inspects your property is the same one who does the repair, start to finish.
Our Uniondale crew leads carry years of hands-on repair experience, not just sales training โ which is why the advice you get on-site tends to match what actually needs fixing.
One phone call gets you a straight answer and a real appointment โ not a vague callback promise.
๐ +1-866-476-1348Water problems build slowly before they become emergencies. These are the clues our Uniondale crews hear about most.
Odor is often the very first clue Uniondale homeowners notice, well before any water is visible.
Small cracks in a Uniondale foundation rarely stay small โ seasonal ground movement tends to widen them over time.
It's easy to mistake efflorescence for harmless dust, but it actually signals active moisture movement.
A Uniondale sump pump that never rests is usually undersized or nearing the end of its life.
A wall that's starting to bow is a structural issue on top of a water issue โ this jumps to the front of our Uniondale schedule.
These upstairs clues usually show up months after the basement moisture problem actually started.
Whatever's going on with your Uniondale property, chances are we've already fixed something similar nearby this month.
When water shows up fast, we move fast โ extraction, drying equipment, and a plan to stop it from happening again.
Get Emergency Help โWe seal active Uniondale foundation cracks with hydraulic cement injection โ stopping the leak at its source instead of patching the surface.
Ask About Crack Repair โMost Uniondale pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
Book a Pump Check โAn interior drain tile system routes water to a sump pump before it reaches your Uniondale basement floor at all.
Talk Drainage Options โMusty smell upstairs with no obvious source? Check the crawl space first โ it's usually the culprit.
Get a Crawl Space Quote โCommercial water intrusion means bigger stakes โ inventory, tenants, downtime. We scope commercial Uniondale jobs with written specs and a real timeline.
Request a Commercial Quote โNo pressure, no scripts โ just what actually happens once you call +1-866-476-1348.
You'll talk to a person, not a script โ enough of a conversation to know what to expect before anyone shows up.
We point out exactly what we find as we find it, so nothing about the diagnosis feels like a black box.
No verbal number that quietly grows once the truck pulls up โ the written quote is the final word.
Our crew completes the repair, cleans up, and walks you through the warranty on what was installed.
We've heard every Uniondale horror story about contractors who disappear mid-job or pad the invoice. Here's how we do it differently.
We quote the job in writing after seeing it in person, so there's no surprise on the final invoice.
Our crews stage locally near Uniondale, 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 Uniondale 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 Uniondale claim.
Word of mouth is still how most Uniondale 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 โ 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."
"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."
"Crew was respectful of our landscaping during the drain install and left the yard looking better than before they started."
Every Uniondale technician we send is background-checked and trained on the systems we install, so the crew that inspects your property is the same one that fixes it.
๐ +1-866-476-1348Whether you're in an older, established part of Uniondale or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
Coverage in Uniondale includes 11549 11530 11553 11556 11590 11555 and neighboring communities โ if you're just outside that list, call anyway, since we often extend service case by case.
Use the map as a guide to our Uniondale service radius โ a quick call confirms specifics.
One call to +1-866-476-1348 gets a licensed Uniondale technician on the schedule โ often same-day, 24/7 for real emergencies.
๐ Call +1-866-476-1348 โ Uniondale 24/7 Line