Halo Water Proofing has been the trusted call for Basement Waterproofing across Melville because we answer the phone, show up when we say, and stand behind the work.
Free, no-obligation estimates · Real warranties
Halo Water Proofing is a NY-licensed Basement Waterproofing company that treats every Melville job like it's the only one on the schedule.
Every Melville technician we send is background-checked and trained on the exact equipment we install — not a subcontractor picked up for the day.
We've worked on foundations from decades-old Melville 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.
Talk to a real Melville technician today, not an automated queue. We'll explain what's going on and get you scheduled.
📞 +1-866-476-1348Most Melville calls didn't start with a flood — 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.
Stair-step cracking in block foundations is one of the most common early signs our Melville crews see.
Efflorescence is a reliable early sign that water is moving through your Melville 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.
A wall that's starting to bow is a structural issue on top of a water issue — this jumps to the front of our Melville schedule.
Peeling paint near the floor upstairs is one of the last signs Melville homeowners connect to a basement problem.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our Melville crews handle most.
When water shows up fast, we move fast — extraction, drying equipment, and a plan to stop it from happening again.
Get Emergency Help →We seal active Melville foundation cracks with hydraulic cement injection — stopping the leak at its source instead of patching the surface.
Ask About Crack Repair →Most Melville pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
Book a Pump Check →Some Melville properties need both systems working together — we'll say so honestly instead of selling just one.
Talk Drainage Options →Older Melville homes with vented crawl spaces see the biggest swings in seasonal humidity — encapsulation closes that off for good.
Get a Crawl Space Quote →We handle below-grade waterproofing for Melville property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote →Here's exactly what Melville 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.
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 — 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.
We've heard every Melville horror story about contractors who disappear mid-job or pad the invoice. Here's how we do it differently.
There's no verbal quote that grows once the crew shows up — the written estimate is final.
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 Melville 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 Melville claim.
Word of mouth is still how most Melville 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."
"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."
"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."
We back our Melville work with real, transferable warranties because we plan to be here long after the job is done, not just for the one visit.
📞 +1-866-476-1348Whether you're in an older, established part of Melville or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
Zip codes we serve in and around Melville: 11747 11775. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
The map below shows our general Melville coverage area. Call +1-866-476-1348 to confirm service at your exact address.
One call to +1-866-476-1348 gets a licensed Melville technician on the schedule — often same-day, 24/7 for real emergencies.
📞 Call +1-866-476-1348 — Melville 24/7 Line