Halo Water Proofing has been the trusted call for Exterior Waterproofing across Greenbelt because we answer the phone, show up when we say, and stand behind the work.
Free, no-obligation estimates · Written pricing
Halo Water Proofing is a MD-licensed Exterior Waterproofing company that treats every Greenbelt job like it's the only one on the schedule.
We don't run a bidding war between crews. The Greenbelt technician who inspects your property is the same one who does the repair, start to finish.
Our Greenbelt crew leads carry years of hands-on repair experience, not just sales training — which is why the advice you get on-site tends to match what actually needs fixing.
Talk to a real Greenbelt technician today, not an automated queue. We'll explain what's going on and get you scheduled.
📞 +1-866-476-1348Water problems build slowly before they become emergencies. These are the clues our Greenbelt 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.
Stair-step cracking in block foundations is one of the most common early signs our Greenbelt crews see.
That white powder on basement walls is mineral residue left behind as water passes through the concrete.
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 — this jumps to the front of our Greenbelt schedule.
These upstairs clues usually show up months after the basement moisture problem actually started.
No two Greenbelt basements are the same — soil type, age of the home, water table. We match the fix to your actual problem.
A flooded Greenbelt basement doesn't wait for morning, and neither do we. Our crews extract it fast and start drying the space the same visit.
Get Emergency Help →Seasonal ground movement in Greenbelt tends to widen existing cracks over time, so sealing early usually costs less than waiting.
Ask About Crack Repair →A failed sump pump is the top reason for emergency calls across Greenbelt after heavy rain — we install pumps sized to your actual water volume, plus battery backup for power outages.
Book a Pump Check →For yards fighting bad grading, an exterior French drain intercepts water before it ever touches the foundation wall.
Talk Drainage Options →Musty smell upstairs with no obvious source? Check the crawl space first — it's usually the culprit.
Get a Crawl Space Quote →Commercial water intrusion means bigger stakes — inventory, tenants, downtime. We scope commercial Greenbelt jobs with written specs and a real timeline.
Request a Commercial Quote →No pressure, no scripts — just what actually happens once you call +1-866-476-1348.
A real technician asks the right questions to understand what's likely happening at your Greenbelt property before anyone drives out.
No jargon, no pressure — just a clear look at what's actually going on.
No verbal number that quietly grows once the truck pulls up — the written quote is the final word.
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 Greenbelt — here's what actually separates the ones worth calling from the ones that aren't.
We quote the job in writing after seeing it in person, so there's no surprise on the final invoice.
A local dispatch model means the technician who answers your questions is the same one who shows up.
If a covered repair fails, we come back and fix it. That's part of the contract, not just a promise.
Our technicians are trained to diagnose accurately, not to upsell — that changes the advice you actually get.
Filing a claim can be confusing — we've walked Greenbelt customers through this process many times.
Word of mouth is still how most Greenbelt 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."
"Straightforward commercial quote, professional crew, no back and forth."
"French drain install took two days exactly as quoted, and the yard looked better than before."
"First contractor who actually explained where the water was coming from instead of just quoting a number."
"Crew was respectful of our landscaping during the drain install and left the yard looking better than before they started."
We back our Greenbelt work with real, transferable warranties because we plan to be here long after the job is done, not just for the one visit.
📞 +1-866-476-1348Our Greenbelt coverage spans the full metro area, residential and commercial alike.
Coverage in Greenbelt includes 20770 20768 20771 and neighboring communities — if you're just outside that list, call anyway, since we often extend service case by case.
The map below shows our general Greenbelt 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 Greenbelt line is open right now.
📞 Call +1-866-476-1348 — Greenbelt 24/7 Line