From a hairline crack to a fully soaked crawl space, our Merrick crew has seen it and fixed it. No guesswork, no scare tactics โ just a clear plan and a fair price.
Licensed & insured in NY ยท 24/7 dispatch

Halo Water Proofing started small in the Merrick 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 Merrick technician who inspects your property is the same one who does the repair, start to finish.
We've worked on foundations from decades-old Merrick 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 โ not a vague callback promise.
๐ +1-866-476-1348Most Merrick calls didn't start with a flood โ they started with one of these small signs weeks or months earlier.
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 Merrick foundation rarely stay small โ seasonal ground movement tends to widen them over time.
Efflorescence is a reliable early sign that water is moving through your Merrick 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.
Whatever's going on with your Merrick property, chances are we've already fixed something similar nearby this month.
Storm season keeps our Merrick emergency line busy โ active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help โWe seal active Merrick foundation cracks with epoxy injection โ stopping the leak at its source instead of patching the surface.
Ask About Crack Repair โAlready 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 โSome Merrick properties need both systems working together โ we'll say so honestly instead of selling just one.
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 can phase larger Merrick commercial projects around business hours or tenant schedules so operations keep running.
Request a Commercial Quote โHere's exactly what Merrick customers can expect from first call to final walkthrough.
We figure out fast whether this needs an emergency dispatch or a scheduled inspection.
We point out exactly what we find as we find it, so nothing about the diagnosis feels like a black box.
Every Merrick quote is written before work starts, not estimated verbally and adjusted later.
Our crew completes the repair, cleans up, and walks you through the warranty on what was installed.
Plenty of companies advertise Wet Basement Repair in Merrick โ here's what actually separates the ones worth calling from the ones that aren't.
You get a real number before any work starts โ what you approve is what you're billed.
We're not routing your call through a national center โ the person who answers is close by.
Warranty terms are explained in plain language before you sign, with no fine-print surprises later.
Our technicians are trained to diagnose accurately, not to upsell โ that changes the advice you actually get.
We can supply the documentation most carriers ask for before approving a Merrick claim.
Every Merrick job reflects on the next referral, so we treat each one like it matters.
"Woke up to a wet basement and had someone out by mid-morning. No pressure, no upsell, just fixed it."
"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."
"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."
Every Merrick 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 Merrick or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
Zip codes we serve in and around Merrick: 11566 11520. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
The map below shows our general Merrick 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 Merrick line is open right now.
๐ Call +1-866-476-1348 โ Merrick 24/7 Line