Foundation leaking? Basement smells off? Halo Water Proofing sends a real technician to your Smithtown property, gives you a straight answer, and fixes it right the first time.
Free, no-obligation estimates · Real warranties
Halo Water Proofing is a NY-licensed Waterproofing company that treats every Smithtown job like it's the only one on the schedule.
We don't run a bidding war between crews. The Smithtown technician who inspects your property is the same one who does the repair, start to finish.
We've worked on foundations from decades-old Smithtown 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 — not a vague callback promise.
📞 +1-866-476-1348Water problems build slowly before they become emergencies. These are the clues our Smithtown crews hear about most.
A musty smell usually means moisture is already moving through your Smithtown basement, even if the floor looks bone dry.
Small cracks in a Smithtown 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.
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.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our Smithtown crews handle most.
Storm season keeps our Smithtown emergency line busy — active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help →Seasonal ground movement in Smithtown tends to widen existing cracks over time, so sealing early usually costs less than waiting.
Ask About Crack Repair →Already 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 →Some Smithtown properties need both systems working together — we'll say so honestly instead of selling just one.
Talk Drainage Options →A damp Smithtown 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 →Commercial water intrusion means bigger stakes — inventory, tenants, downtime. We scope commercial Smithtown jobs with written specs and a real timeline.
Request a Commercial Quote →Here's exactly what Smithtown 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 Smithtown technician walks the property, checks the foundation and drainage, and explains what's found in plain language.
Every Smithtown 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.
We've heard every Smithtown horror story about contractors who disappear mid-job or pad the invoice. Here's how we do it differently.
You get a real number before any work starts — what you approve is what you're billed.
Our crews stage locally near Smithtown, which is why most emergency calls get a technician on-site in under two hours.
Warranty terms are explained in plain language before you sign, with no fine-print surprises later.
We'd rather earn a repeat Smithtown 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.
Every Smithtown 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."
"Crawl space smelled bad for years. After encapsulation, the smell upstairs is completely gone."
"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."
"Sump pump inspection was thorough and they didn't try to sell me a new one when mine just needed a part replaced."
We back our Smithtown work with real, transferable warranties because we plan to be here long after the job is done, not just for the one visit.
📞 +1-866-476-1348Our Smithtown coverage spans the full metro area, residential and commercial alike.
Coverage in Smithtown includes 11787 and neighboring communities — if you're just outside that list, call anyway, since we often extend service case by case.
Use the map as a guide to our Smithtown service radius — a quick call confirms specifics.
One call to +1-866-476-1348 gets a licensed Smithtown technician on the schedule — often same-day, 24/7 for real emergencies.
📞 Call +1-866-476-1348 — Smithtown 24/7 Line