Foundation leaking? Basement smells off? Halo Water Proofing sends a real technician to your Stony Brook 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.
Every Stony Brook technician we send is background-checked and trained on the exact equipment we install โ not a subcontractor picked up for the day.
Our Stony Brook 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 Stony Brook technician today, not an automated queue. We'll explain what's going on and get you scheduled.
๐ +1-866-476-1348Most Stony Brook calls didn't start with a flood โ they started with one of these small signs weeks or months earlier.
A musty smell usually means moisture is already moving through your Stony Brook basement, even if the floor looks bone dry.
Small cracks in a Stony Brook 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 Stony Brook foundation wall right now.
A Stony Brook 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 Stony Brook schedule.
Peeling paint near the floor upstairs is one of the last signs Stony Brook homeowners connect to a basement problem.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our Stony Brook crews handle most.
When water shows up fast, we move fast โ extraction, drying equipment, and a plan to stop it from happening again.
Get Emergency Help โSeasonal ground movement in Stony Brook tends to widen existing cracks over time, so sealing early usually costs less than waiting.
Ask About Crack Repair โA failed sump pump is the top reason for emergency calls across Stony Brook after heavy rain โ we install pumps sized to your actual water volume, plus battery backup for power outages.
Book a Pump Check โSome Stony Brook properties need both systems working together โ we'll say so honestly instead of selling just one.
Talk Drainage Options โOlder Stony Brook homes with vented crawl spaces see the biggest swings in seasonal humidity โ encapsulation closes that off for good.
Get a Crawl Space Quote โWe handle below-grade waterproofing for Stony Brook property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote โHere's exactly what Stony Brook 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 Stony Brook 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 Foundation Crack Repair in Stony Brook โ 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.
If your Stony Brook basement just needs a small crack seal instead of a full system, that's exactly what we'll tell you.
We can supply the documentation most carriers ask for before approving a Stony Brook claim.
Every Stony Brook job reflects on the next referral, so we treat each one like it matters.
"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."
"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 Stony Brook 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 Stony Brook or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
Zip codes we serve in and around Stony Brook: 11790 11794. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
The map below shows our general Stony Brook coverage area. Call +1-866-476-1348 to confirm service at your exact address.
One call to +1-866-476-1348 gets a licensed Stony Brook technician on the schedule โ often same-day, 24/7 for real emergencies.
๐ Call +1-866-476-1348 โ Stony Brook 24/7 Line