Foundation leaking? Basement smells off? Halo Water Proofing sends a real technician to your Randallstown property, gives you a straight answer, and fixes it right the first time.
Free, no-obligation estimates Β· 24/7 dispatch

Halo Water Proofing is a MD-licensed Exterior Waterproofing company that treats every Randallstown job like it's the only one on the schedule.
Our Randallstown 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 Randallstown 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 β not a vague callback promise.
π +1-866-476-1348Water problems build slowly before they become emergencies. These are the clues our Randallstown crews hear about most.
Odor is often the very first clue Randallstown homeowners notice, well before any water is visible.
Stair-step cracking in block foundations is one of the most common early signs our Randallstown crews see.
Efflorescence is a reliable early sign that water is moving through your Randallstown foundation wall right now.
A pump under constant strain tends to fail during the exact storm that needs it most.
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 Randallstown homeowners connect to a basement problem.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our Randallstown crews handle most.
When water shows up fast, we move fast β extraction, drying equipment, and a plan to stop it from happening again.
Get Emergency Help βWe seal active Randallstown foundation cracks with polyurethane injection β stopping the leak at its source instead of patching the surface.
Ask About Crack Repair βA failed sump pump is the top reason for emergency calls across Randallstown after heavy rain β we install pumps sized to your actual water volume, plus battery backup for power outages.
Book a Pump Check βFor yards fighting bad grading, an exterior French drain intercepts water before it ever touches the foundation wall.
Talk Drainage Options βOlder Randallstown homes with vented crawl spaces see the biggest swings in seasonal humidity β encapsulation closes that off for good.
Get a Crawl Space Quote βWe can phase larger Randallstown commercial projects around business hours or tenant schedules so operations keep running.
Request a Commercial Quote βHere's exactly what Randallstown customers can expect from first call to final walkthrough.
A real technician asks the right questions to understand what's likely happening at your Randallstown property before anyone drives out.
We point out exactly what we find as we find it, so nothing about the diagnosis feels like a black box.
No verbal number that quietly grows once the truck pulls up β the written quote is the final word.
Our crew completes the repair, cleans up, and walks you through the warranty on what was installed.
We've heard every Randallstown 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 Randallstown, which is why most emergency calls get a technician on-site in under two hours.
Our major repairs come with written, transferable warranties β useful if you sell the Randallstown property later.
Our technicians are trained to diagnose accurately, not to upsell β that changes the advice you actually get.
We photograph the damage and provide a written scope your insurance adjuster can actually use.
Word of mouth is still how most Randallstown customers find us, which keeps our standards high.
"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."
"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 Randallstown 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.
π +1-866-476-1348Our Randallstown coverage spans the full metro area, residential and commercial alike.
Zip codes we serve in and around Randallstown: 21163 21208 21133. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
The map below shows our general Randallstown coverage area. Call +1-866-476-1348 to confirm service at your exact address.
One call to +1-866-476-1348 gets a licensed Randallstown technician on the schedule β often same-day, 24/7 for real emergencies.
π Call +1-866-476-1348 β Randallstown 24/7 Line