From a hairline foundation crack to a fully flooded crawl space, Halo Water Proofing has handled it in Cedar Knolls before. We show up, we diagnose it straight, and we fix it right.

We're Halo Water Proofing — a NJ-licensed, fully insured waterproofing outfit that's spent years learning exactly how water moves through Cedar Knolls-area foundations, and exactly how to stop it.

We don't send apprentices to figure it out on your dime. Every Cedar Knolls job is run by a technician who has done this exact repair dozens of times, with a supervisor who signs off before we call it finished.
One call gets you a straight answer and a real appointment window — not a call-back promise.
📞 +1-866-476-1348Most Cedar Knolls customers didn't wake up one day with a flooded basement. It usually started small. These are the early signs worth calling about.
A musty smell in the basement or crawl space is usually moisture you can't see yet, not just "old house smell."
Even small cracks are worth a second look — they rarely stay small once seasonal ground movement gets involved.
Efflorescence is a clear sign that water is actively passing through your Cedar Knolls foundation wall, even if you've never seen standing water.
A sump pump that never stops cycling is often working harder than it should, or is undersized for your Cedar Knolls lot's water table.
This is one sign we tell Cedar Knolls customers not to wait on — wall movement tends to progress rather than resolve on its own.
These signs upstairs are often the last clue Cedar Knolls homeowners notice, even though the moisture issue started in the basement months earlier.
Every Cedar Knolls property is different — soil, slope, foundation age, water table depth. We size the fix to the actual problem, not a one-size package.
When your Cedar Knolls basement floods, minutes matter for your drywall, flooring, and belongings. We dispatch a crew fast, pull the water, and start drying the space with commercial-grade equipment the same visit.
Call for Emergency Service →A cracked foundation wall isn't just a cosmetic issue — it's a water entry point and, over time, a structural one. Our Cedar Knolls crews assess whether it's a simple seal or a sign of bigger settlement issues before recommending a fix.
Get a Crack Assessment →Already have a sump pump that's failing or too small for your Cedar Knolls lot? We'll test it, tell you honestly whether it needs replacing, and size the new one to your actual water volume — not the cheapest unit on the truck.
Schedule a Pump Inspection →For Cedar Knolls properties fighting grading or drainage issues, an exterior French drain can intercept water before it ever reaches the foundation wall at all. We map your yard's slope and water flow before recommending which approach fits.
Ask About Drain Systems →Musty smell upstairs that you can't explain? It's usually the crawl space. Our Cedar Knolls crews encapsulate the space fully — floor, walls, and vents — so moisture stops migrating into your living areas.
Get a Crawl Space Quote →We work directly with Cedar Knolls property managers and business owners on below-grade waterproofing, parking structure sealing, and large-scale drainage corrections — scheduled around your operating hours.
Request a Commercial Quote →No confusing steps, no hard sell — just the same process our Cedar Knolls crews follow on every job.
You call +1-866-476-1348 and talk to a real technician who asks the right questions to understand what's likely happening at your Cedar Knolls property.
A technician inspects the Cedar Knolls property in person, checking the foundation, drainage, grading, and any active moisture before recommending a fix.
You receive a written, itemized quote before any work begins — the number you approve is the number you're billed.
Once the repair is done, you get documentation of the work and a written warranty — not just a handshake.
You get a written number before any work begins — the price you approve is the price you pay, no change-order games.
A local dispatch model means the technician who answers questions about your Cedar Knolls job is the same one who shows up to do it.
Our repairs come with written, transferable warranties — a real asset if you sell the Cedar Knolls property later.
If your Cedar Knolls basement just needs a $200 crack seal instead of a $12,000 system, that's what we'll tell you.
Filing a water damage claim in Cedar Knolls, NJ can be confusing — we've done it enough times with Cedar Knolls adjusters to help you avoid common denials.
Word of mouth is still how most Cedar Knolls customers find us, which keeps our standards higher than a big out-of-town franchise.
"They came out the same afternoon I called about water coming in during a storm. Explained everything before they touched anything. Basement's been bone dry since."
"Got quotes from three companies for a crack repair. These guys were the only ones who actually explained why the crack was happening instead of just quoting a price."
"Our old sump pump died during the worst storm of the year, obviously. They had a battery backup system installed within a day. Haven't worried about it since."
"Straightforward commercial quote, no back-and-forth, crew was professional the whole project."
"We had three foundation cracks and expected a huge bill. Turned out only one needed injection — they didn't try to sell us on the other two. That honesty is rare."
"Insurance claim was a headache until they stepped in with photos and a written scope. Adjuster approved it within a week after that."
Halo Water Proofing provides Emergency Waterproofing throughout Cedar Knolls and the surrounding zip codes, from established neighborhoods to newer developments still settling on their foundations.
Coverage in Cedar Knolls includes 07927 7927 and the surrounding communities — if you're just outside that list, call anyway, as we frequently extend service on a case-by-case basis.
The map below shows our general Cedar Knolls coverage footprint. Call +1-866-476-1348 any time to confirm service at your specific address.
The longer water sits against your Cedar Knolls foundation, the more it costs to fix. Our line is open right now.
📞 Call +1-866-476-1348 — Cedar Knolls 24/7 Line