From a hairline crack to a fully soaked crawl space, our Annapolis crew has seen it and fixed it. No guesswork, no scare tactics β just a clear plan and a fair price.
Free, no-obligation estimates Β· Real warranties

Halo Water Proofing is a MD-licensed Crawl Space Encapsulation company that treats every Annapolis job like it's the only one on the schedule.
We don't run a bidding war between crews. The Annapolis technician who inspects your property is the same one who does the repair, start to finish.
We've worked on foundations from decades-old Annapolis 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 Annapolis crews hear about most.
Odor is often the very first clue Annapolis homeowners notice, well before any water is visible.
Stair-step cracking in block foundations is one of the most common early signs our Annapolis crews see.
That white powder on basement walls is mineral residue left behind as water passes through the concrete.
If your pump only shuts off for a few minutes at a time, it's worth having it checked before it fails outright.
This is one sign we tell Annapolis customers never to wait on β wall movement tends to progress, not resolve on its own.
Peeling paint near the floor upstairs is one of the last signs Annapolis homeowners connect to a basement problem.
No two Annapolis basements are the same β soil type, age of the home, water table. We match the fix to your actual problem.
Storm season keeps our Annapolis emergency line busy β active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help βWe seal active Annapolis 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 Annapolis after heavy rain β we install pumps sized to your actual water volume, plus battery backup for power outages.
Book a Pump Check βSome Annapolis properties need both systems working together β we'll say so honestly instead of selling just one.
Talk Drainage Options βOlder Annapolis 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 handle below-grade waterproofing for Annapolis property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote βNo pressure, no scripts β just what actually happens once you call +1-866-476-1348.
You'll talk to a person, not a script β enough of a conversation to know what to expect before anyone shows up.
No jargon, no pressure β just a clear look at what's actually going on.
The number you approve is the number you're billed β 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.
Plenty of companies advertise Crawl Space Encapsulation in Annapolis β here's what actually separates the ones worth calling from the ones that aren't.
You get a real number before any work starts β what you approve is what you're billed.
We're not routing your call through a national center β 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.
We'd rather earn a repeat Annapolis customer with an honest fix than push a system you don't need.
Filing a claim can be confusing β we've walked Annapolis customers through this process many times.
Every Annapolis 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 β basement's been dry since."
"Got three quotes for a crack repair. This was the only company that actually explained why the crack was happening instead of just naming a price."
"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."
"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 β no arguing, no extra invoice. That's written into every Annapolis contract we sign.
π +1-866-476-1348Our Annapolis coverage spans the full metro area, residential and commercial alike.
Coverage in Annapolis includes 21401 21403 21404 21411 21402 21405 21409 and neighboring communities β if you're just outside that list, call anyway, since we often extend service case by case.
The map below shows our general Annapolis 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 Annapolis line is open right now.
π Call +1-866-476-1348 β Annapolis 24/7 Line