From a hairline foundation crack to a fully flooded crawl space, Halo Water Proofing has handled it in Annapolis before. We show up, we diagnose it straight, and we fix it right.

We're Halo Water Proofing β a MD-licensed, fully insured waterproofing outfit that's spent years learning exactly how water moves through Annapolis-area foundations, and exactly how to stop it.

We don't send apprentices to figure it out on your dime. Every Annapolis job is run by a technician who has done this exact repair dozens of times, with a supervisor who signs off before we call it finished.
Call now and talk to an actual technician, not a script. We'll walk you through what's likely going on and get a crew scheduled.
π +1-866-476-1348Most Annapolis customers didn't wake up one day with a flooded basement. It usually started small. These are the early signs worth calling about.
If the basement smells damp even when it looks dry, moisture is likely moving through the walls or floor somewhere.
Even small cracks are worth a second look β they rarely stay small once seasonal ground movement gets involved.
Efflorescence is a clear sign that water is actively passing through your Annapolis foundation wall, even if you've never seen standing water.
A pump under constant strain tends to fail at the worst possible time β usually during the next big Annapolis storm.
If a foundation wall looks like it's leaning or bulging inward, that's beyond a simple seal and needs a full assessment.
These signs upstairs are often the last clue Annapolis homeowners notice, even though the moisture issue started in the basement months earlier.
Every Annapolis property is different β soil, slope, foundation age, water table depth. We size the fix to the actual problem, not a one-size package.
Storm season in Annapolis, MD means our emergency line gets busy fast β we triage calls by severity so active flooding at your Annapolis address jumps the queue ahead of routine inspections.
Call for Emergency Service βFreeze-thaw cycles in Annapolis, MD push existing cracks wider every winter, which is why we recommend sealing them before they become an active leak rather than after.
Get a Crack Assessment βAlready have a sump pump that's failing or too small for your Annapolis lot? We'll test it, tell you honestly whether it needs replacing, and size the new one to your actual water volume β not the cheapest unit on the truck.
Schedule a Pump Inspection βSome Annapolis lots need both an interior and exterior system working together β we'll tell you honestly if that's the case rather than selling just one.
Ask About Drain Systems βMusty smell upstairs that you can't explain? It's usually the crawl space. Our Annapolis crews encapsulate the space fully β floor, walls, and vents β so moisture stops migrating into your living areas.
Get a Crawl Space Quote βCommercial properties in Annapolis carry bigger stakes when water gets in: inventory, tenants, downtime. We scope commercial jobs with the same crew leads who run our residential work, backed by written specs and timelines.
Request a Commercial Quote βHere's exactly what to expect once you call +1-866-476-1348 for Vapor Barrier Installation in Annapolis.
We start with a phone conversation, not a script β enough to know whether this is an emergency dispatch or a scheduled inspection.
A technician inspects the Annapolis property in person, checking the foundation, drainage, grading, and any active moisture before recommending a fix.
You receive a written, itemized quote before any work begins β the number you approve is the number you're billed.
Our crew completes the work, cleans up the site, and walks you through the warranty coverage on what was installed.
You get a written number before any work begins β the price you approve is the price you pay, no change-order games.
Our trucks stage locally around Annapolis, which is why emergency calls typically get a technician on-site in under two hours, not "sometime tomorrow."
Our repairs come with written, transferable warranties β a real asset if you sell the Annapolis property later.
Our technicians are paid to diagnose correctly, not to upsell β that changes the advice you actually get on-site.
We can supply the photo documentation and repair scope most Annapolis, MD carriers ask for before approving a claim.
Our name is on trucks driving around Annapolis every day β we don't cut corners on a job our neighbors will see.
"Called at 6am with a flooded basement and had a tech at my door by 8. No runaround, no upsell β just fixed it."
"Got quotes from three companies for a crack repair. These guys were the only ones who actually explained why the crack was happening instead of just quoting a price."
"Our old sump pump died during the worst storm of the year, obviously. They had a battery backup system installed within a day. Haven't worried about it since."
"Managed our building's parking garage waterproofing project. Kept to the schedule, communicated well with tenants, minimal disruption."
"French drain install took two days like they said it would, not five. Yard was put back together better than before."
"Insurance claim was a headache until they stepped in with photos and a written scope. Adjuster approved it within a week after that."
Halo Water Proofing provides Vapor Barrier Installation throughout Annapolis and the surrounding zip codes, from established neighborhoods to newer developments still settling on their foundations.
Zip codes we serve in and around Annapolis: 21401 21403 21404 21411 21402 21405 21409. Not sure if your address is included? Call +1-866-476-1348 and we'll confirm on the spot.
Use the map to gauge our Annapolis service radius β for an exact confirmation, a quick call is the fastest way to know.
The longer water sits against your Annapolis foundation, the more it costs to fix. Our line is open right now.
π Call +1-866-476-1348 β Annapolis 24/7 Line