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

Halo Water Proofing is a WA-licensed Interior Drainage System company that treats every Mount Vernon job like it's the only one on the schedule.
Every Mount Vernon technician we send is background-checked and trained on the exact equipment we install โ not a subcontractor picked up for the day.
Our Mount Vernon 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 Mount Vernon technician today, not an automated queue. We'll explain what's going on and get you scheduled.
๐ +1-866-476-1348Most Mount Vernon 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 Mount Vernon homeowners notice, well before any water is visible.
A crack that wasn't there last year is worth a look before it becomes an active leak point.
Efflorescence is a reliable early sign that water is moving through your Mount Vernon foundation wall right now.
A pump under constant strain tends to fail during the exact storm that needs it most.
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 Mount Vernon schedule.
These upstairs clues usually show up months after the basement moisture problem actually started.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our Mount Vernon 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 Mount Vernon tends to widen existing cracks over time, so sealing early usually costs less than waiting.
Ask About Crack Repair โMost Mount Vernon pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
Book a Pump Check โAn interior drain tile system routes water to a sump pump before it reaches your Mount Vernon basement floor at all.
Talk Drainage Options โMusty smell upstairs with no obvious source? Check the crawl space first โ it's usually the culprit.
Get a Crawl Space Quote โWe handle below-grade waterproofing for Mount Vernon property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote โHere's exactly what Mount Vernon customers can expect from first call to final walkthrough.
We figure out fast whether this needs an emergency dispatch or a scheduled inspection.
No jargon, no pressure โ just a clear look at what's actually going on.
Every Mount Vernon 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.
We've heard every Mount Vernon 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.
If a covered repair fails, we come back and fix it. That's part of the contract, not just a promise.
If your Mount Vernon basement just needs a small crack seal instead of a full system, that's exactly what we'll tell you.
We photograph the damage and provide a written scope your insurance adjuster can actually use.
Every Mount Vernon 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 Mount Vernon 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 +1-866-476-1348Our Mount Vernon coverage spans the full metro area, residential and commercial alike.
Coverage in Mount Vernon includes 98274 98273 and neighboring communities โ 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 Mount Vernon service radius โ a quick call confirms specifics.
One call to +1-866-476-1348 gets a licensed Mount Vernon technician on the schedule โ often same-day, 24/7 for real emergencies.
๐ Call +1-866-476-1348 โ Mount Vernon 24/7 Line