From a hairline crack to a fully soaked crawl space, our Old Westbury crew has seen it and fixed it. No guesswork, no scare tactics โ just a clear plan and a fair price.
Background-checked Old Westbury technicians ยท Written pricing

Halo Water Proofing started small in the Old Westbury area and grew because customers kept referring us to their neighbors โ that's still how most of our work comes in today.
We don't run a bidding war between crews. The Old Westbury technician who inspects your property is the same one who does the repair, start to finish.
Our Old Westbury 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.
Talk to a real Old Westbury technician today, not an automated queue. We'll explain what's going on and get you scheduled.
๐ +1-866-476-1348Most Old Westbury calls didn't start with a flood โ they started with one of these small signs weeks or months earlier.
Odor is often the very first clue Old Westbury 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.
Efflorescence is a reliable early sign that water is moving through your Old Westbury 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.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our Old Westbury crews handle most.
Storm season keeps our Old Westbury emergency line busy โ active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help โWe seal active Old Westbury foundation cracks with hydraulic cement injection โ stopping the leak at its source instead of patching the surface.
Ask About Crack Repair โA failed sump pump is the top reason for emergency calls across Old Westbury after heavy rain โ we install pumps sized to your actual water volume, plus battery backup for power outages.
Book a Pump Check โFor yards fighting bad grading, an exterior French drain intercepts water before it ever touches the foundation wall.
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 โWe handle below-grade waterproofing for Old Westbury property managers and business owners, scheduled around your operating hours to limit disruption.
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.
The number you approve is the number you're billed โ no change orders once the crew shows up.
Our crew completes the repair, cleans up, and walks you through the warranty on what was installed.
We've heard every Old Westbury 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.
A local dispatch model means the technician who answers your questions is the same one who shows up.
If a covered repair fails, we come back and fix it. That's part of the contract, not just a promise.
If your Old Westbury basement just needs a small crack seal instead of a full system, that's exactly what we'll tell you.
We photograph the damage and provide a written scope your insurance adjuster can actually use.
Our trucks are recognizable around Old Westbury โ we don't cut corners on jobs our neighbors will see.
"Woke up to a wet basement and had someone out by mid-morning. No pressure, no upsell, just fixed it."
"Got three quotes for a crack repair. This was the only company that actually explained why the crack was happening instead of just naming a price."
"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."
"French drain install took two days exactly as quoted, and the yard looked better than before."
"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."
Every Old Westbury 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 Old Westbury or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
We cover these Old Westbury-area zip codes: 11568 โ plus nearby communities. One call confirms coverage and gets a technician scheduled.
Use the map as a guide to our Old Westbury service radius โ a quick call confirms specifics.
One call to +1-866-476-1348 gets a licensed Old Westbury technician on the schedule โ often same-day, 24/7 for real emergencies.
๐ Call +1-866-476-1348 โ Old Westbury 24/7 Line