Halo Water Proofing has been the trusted call for Interior Drainage System across Mount Vernon because we answer the phone, show up when we say, and stand behind the work.
Licensed & insured in MD ยท Written pricing

Halo Water Proofing is a MD-licensed Interior Drainage System company that treats every Mount Vernon job like it's the only one on the schedule.
Our Mount Vernon crew leads have handled repairs like yours dozens of times before, and a supervisor signs off before we call any job finished.
We've worked on foundations from decades-old Mount Vernon 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 +1-866-476-1348Water problems build slowly before they become emergencies. These are the clues our Mount Vernon crews hear about most.
If the basement smells damp no matter the season, water is likely finding a way in somewhere you can't see.
Small cracks in a Mount Vernon 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 Mount Vernon 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.
Peeling paint near the floor upstairs is one of the last signs Mount Vernon homeowners connect to a basement problem.
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 โNot every crack means a structural problem, but every crack deserves a real look. We'll tell you which kind yours is.
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 โSome Mount Vernon properties need both systems working together โ we'll say so honestly instead of selling just one.
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.
You'll talk to a person, not a script โ enough of a conversation to know what to expect before anyone shows up.
We point out exactly what we find as we find it, so nothing about the diagnosis feels like a black box.
The number you approve is the number you're billed โ no change orders once the crew shows up.
Our crew completes the repair, cleans up, and walks you through the warranty on what was installed.
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.
Our crews stage locally near Mount Vernon, 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 Mount Vernon property later.
We'd rather earn a repeat Mount Vernon 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.
Our trucks are recognizable around Mount Vernon โ we don't cut corners on jobs our neighbors will see.
"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."
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 Mount Vernon contract we sign.
๐ +1-866-476-1348Whether you're in an older, established part of Mount Vernon or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
We cover these Mount Vernon-area zip codes: 21853 โ plus nearby communities. One call confirms coverage and gets a technician scheduled.
Use the map as a guide to our Mount Vernon service radius โ a quick call confirms specifics.
The longer water sits against your foundation, the more it costs to fix. Our Mount Vernon line is open right now.
๐ Call +1-866-476-1348 โ Mount Vernon 24/7 Line