Halo Water Proofing has been the trusted call for Emergency Waterproofing across Great Neck because we answer the phone, show up when we say, and stand behind the work.
Licensed & insured in NY · Real warranties
Halo Water Proofing started small in the Great Neck area and grew because customers kept referring us to their neighbors — that's still how most of our work comes in today.
We don't run a bidding war between crews. The Great Neck technician who inspects your property is the same one who does the repair, start to finish.
Our Great Neck crew leads carry years of hands-on repair experience, not just sales training — 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 — not a vague callback promise.
📞 +1-866-476-1348Catching one of these early usually means a smaller repair bill and a lot less stress for Great Neck homeowners.
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 Great Neck foundation rarely stay small — seasonal ground movement tends to widen them over time.
That white powder on basement walls is mineral residue left behind as water passes through the concrete.
A Great Neck 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 — this jumps to the front of our Great Neck schedule.
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 Great Neck crews handle most.
A flooded Great Neck basement doesn't wait for morning, and neither do we. Our crews pull the standing water and start drying the space the same visit.
Get Emergency Help →Not 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 →Most Great Neck pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
Book a Pump Check →An interior drain tile system routes water to a sump pump before it reaches your Great Neck basement floor at all.
Talk Drainage Options →A damp Great Neck crawl space drives up humidity throughout the house — we seal it completely with heavy-duty vapor barrier and add dehumidification where needed.
Get a Crawl Space Quote →We can phase larger Great Neck commercial projects around business hours or tenant schedules so operations keep running.
Request a Commercial Quote →Here's exactly what Great Neck customers can expect from first call to final walkthrough.
You'll talk to a person, not a script — enough of a conversation to know what to expect before anyone shows up.
A Great Neck technician walks the property, checks the foundation and drainage, and explains what's found in plain language.
The number you approve is the number you're billed — 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.
Plenty of companies advertise Emergency Waterproofing in Great Neck — here's what actually separates the ones worth calling from the ones that aren't.
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.
We'd rather earn a repeat Great Neck customer with an honest fix than push a system you don't need.
We photograph the damage and provide a written scope your insurance adjuster can actually use.
Word of mouth is still how most Great Neck customers find us, which keeps our standards high.
"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."
"Crawl space smelled bad for years. After encapsulation, the smell upstairs is completely gone."
"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 — no arguing, no extra invoice. That's written into every Great Neck contract we sign.
📞 +1-866-476-1348Halo Water Proofing covers Great Neck and the surrounding zip codes — from long-established neighborhoods to newer builds still settling on their foundations.
Coverage in Great Neck includes 11024 11023 11027 11020 11021 and neighboring communities — if you're just outside that list, call anyway, since we often extend service case by case.
The map below shows our general Great Neck coverage area. Call +1-866-476-1348 to confirm service at your exact address.
One call to +1-866-476-1348 gets a licensed Great Neck technician on the schedule — often same-day, 24/7 for real emergencies.
📞 Call +1-866-476-1348 — Great Neck 24/7 Line