From a hairline crack to a fully soaked crawl space, our Stony Brook 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 Stony Brook area and grew because customers kept referring us to their neighbors โ that's still how most of our work comes in today.
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 +1-866-476-1348Catching one of these early usually means a smaller repair bill and a lot less stress for Stony Brook homeowners.
Odor is often the very first clue Stony Brook homeowners notice, well before any water is visible.
Stair-step cracking in block foundations is one of the most common early signs our Stony Brook crews see.
That white powder on basement walls is mineral residue left behind as water passes through the concrete.
A Stony Brook sump pump that never rests is usually undersized or nearing the end of its life.
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.
No two Stony Brook basements are the same โ soil type, age of the home, water table. We match the fix to your actual problem.
Storm season keeps our Stony Brook emergency line busy โ active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help โWe seal active Stony Brook foundation cracks with polyurethane 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 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 โAn interior drain tile system routes water to a sump pump before it reaches your Stony Brook basement floor at all.
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 โCommercial water intrusion means bigger stakes โ inventory, tenants, downtime. We scope commercial Stony Brook jobs with written specs and a real timeline.
Request a Commercial Quote โNo pressure, no scripts โ just what actually happens once you call +1-866-476-1348.
We figure out fast whether this needs an emergency dispatch or a scheduled inspection.
A Stony Brook 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 โ no change orders once the crew shows up.
You get documentation of the work plus a real warranty โ not just a handshake.
We've heard every Stony Brook 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.
We're not routing your call through a national center โ the person who answers is close by.
Our major repairs come with written, transferable warranties โ useful if you sell the Stony Brook property later.
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.
Word of mouth is still how most Stony Brook 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."
"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."
"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."
If a covered repair doesn't hold up, we come back and make it right โ no arguing, no extra invoice. That's written into every Stony Brook contract we sign.
๐ +1-866-476-1348Our Stony Brook coverage spans the full metro area, residential and commercial alike.
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.
Use the map as a guide to our Stony Brook service radius โ a quick call confirms specifics.
The longer water sits against your foundation, the more it costs to fix. Our Stony Brook line is open right now.
๐ Call +1-866-476-1348 โ Stony Brook 24/7 Line