From a hairline crack to a fully soaked crawl space, our Somerville crew has seen it and fixed it. No guesswork, no scare tactics โ just a clear plan and a fair price.
Licensed & insured in NJ ยท 24/7 dispatch

Halo Water Proofing is a NJ-licensed Exterior Waterproofing company that treats every Somerville job like it's the only one on the schedule.
Every Somerville technician we send is background-checked and trained on the exact equipment we install โ not a subcontractor picked up for the day.
We've worked on foundations from decades-old Somerville 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 โ not a vague callback promise.
๐ +1-866-476-1348Most Somerville calls didn't start with a flood โ they started with one of these small signs weeks or months earlier.
Odor is often the very first clue Somerville homeowners notice, well before any water is visible.
Small cracks in a Somerville foundation rarely stay small โ seasonal ground movement tends to widen them over time.
It's easy to mistake efflorescence for harmless dust, but it actually signals active moisture movement.
A pump under constant strain tends to fail during the exact storm that needs it most.
This is one sign we tell Somerville customers never to wait on โ wall movement tends to progress, not resolve on its own.
Peeling paint near the floor upstairs is one of the last signs Somerville homeowners connect to a basement problem.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our Somerville crews handle most.
Storm season keeps our Somerville emergency line busy โ active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help โWe seal active Somerville foundation cracks with epoxy injection โ stopping the leak at its source instead of patching the surface.
Ask About Crack Repair โMost Somerville pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
Book a Pump Check โFor yards fighting bad grading, an exterior French drain intercepts water before it ever touches the foundation wall.
Talk Drainage Options โOlder Somerville 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 Somerville property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote โHere's exactly what Somerville customers can expect from first call to final walkthrough.
A real technician asks the right questions to understand what's likely happening at your Somerville property before anyone drives out.
No jargon, no pressure โ just a clear look at what's actually going on.
Every Somerville quote is written before work starts, not estimated verbally and adjusted later.
Once the job's done, you get written proof of what was installed and exactly what the warranty covers.
Plenty of companies advertise Exterior Waterproofing in Somerville โ here's what actually separates the ones worth calling from the ones that aren't.
There's no verbal quote that grows once the crew shows up โ the written estimate is final.
Our crews stage locally near Somerville, which is why most emergency calls get a technician on-site in under two hours.
Our major repairs come with written, transferable warranties โ useful if you sell the Somerville property later.
If your Somerville 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 Somerville claim.
Every Somerville 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."
"Crawl space smelled bad for years. After encapsulation, the smell upstairs is completely gone."
"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."
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 Somerville contract we sign.
๐ +1-866-476-1348Whether you're in an older, established part of Somerville or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
We cover these Somerville-area zip codes: 08876 8876 โ plus nearby communities. One call confirms coverage and gets a technician scheduled.
The map below shows our general Somerville coverage area. Call +1-866-476-1348 to confirm service at your exact address.
The longer water sits against your foundation, the more it costs to fix. Our Somerville line is open right now.
๐ Call +1-866-476-1348 โ Somerville 24/7 Line