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· Written pricing

Halo Water Proofing started small in the Annapolis area and grew because customers kept referring us to their neighbors β that's still how most of our work comes in today.
Every Annapolis technician we send is background-checked and trained on the exact equipment we install β not a subcontractor picked up for the day.
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 +1-866-476-1348Catching one of these early usually means a smaller repair bill and a lot less stress for Annapolis homeowners.
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 Annapolis foundation rarely stay small β 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.
If your pump only shuts off for a few minutes at a time, it's worth having it checked before it fails outright.
A wall that's starting to bow is a structural issue on top of a water issue β this jumps to the front of our Annapolis schedule.
These upstairs clues usually show up months after the basement moisture problem actually started.
No two Annapolis basements are the same β soil type, age of the home, water table. We match the fix to your actual problem.
When water shows up fast, we move fast β extraction, drying equipment, and a plan to stop it from happening again.
Get Emergency Help βSeasonal ground movement in Annapolis tends to widen existing cracks over time, so sealing early usually costs less than waiting.
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 βFor yards fighting bad grading, an exterior French drain intercepts water before it ever touches the foundation wall.
Talk Drainage Options βMusty smell upstairs with no obvious source? Check the crawl space first β it's usually the culprit.
Get a Crawl Space Quote βCommercial water intrusion means bigger stakes β inventory, tenants, downtime. We scope commercial Annapolis jobs with written specs and a real timeline.
Request a Commercial Quote βHere's exactly what Annapolis customers can expect from first call to final walkthrough.
You'll talk to a person, not a script β 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.
No verbal number that quietly grows once the truck pulls up β 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.
We've heard every Annapolis 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.
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.
If your Annapolis basement just needs a small crack seal instead of a full system, that's exactly what we'll tell you.
Filing a claim can be confusing β we've walked Annapolis customers through this process many times.
Word of mouth is still how most Annapolis 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."
"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."
"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."
"First contractor who actually explained where the water was coming from instead of just quoting a number."
"Sump pump inspection was thorough and they didn't try to sell me a new one when mine just needed a part replaced."
Every Annapolis 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 +1-866-476-1348Whether you're in an older, established part of Annapolis or a newer subdivision still settling, we've likely already worked on a foundation like yours nearby.
Zip codes we serve in and around Annapolis: 21401 21403 21404 21411 21402 21405 21409. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
The map below shows our general Annapolis coverage area. Call +1-866-476-1348 to confirm service at your exact address.
One call to +1-866-476-1348 gets a licensed Annapolis technician on the schedule β often same-day, 24/7 for real emergencies.
π Call +1-866-476-1348 β Annapolis 24/7 Line