Foundation leaking? Basement smells off? Halo Water Proofing sends a real technician to your Annapolis property, gives you a straight answer, and fixes it right the first time.
Licensed & insured in MD Β· 24/7 dispatch

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.
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.
Our Annapolis crew leads carry years of hands-on repair experience, not just sales training β which is why the advice you get on-site tends to match what actually needs fixing.
Talk to a real Annapolis technician today, not an automated queue. We'll explain what's going on and get you scheduled.
π +1-866-476-1348Most Annapolis calls didn't start with a flood β they started with one of these small signs weeks or months earlier.
A musty smell usually means moisture is already moving through your Annapolis basement, even if the floor looks bone dry.
A crack that wasn't there last year is worth a look before it becomes an active leak point.
Efflorescence is a reliable early sign that water is moving through your Annapolis foundation wall right now.
A Annapolis sump pump that never rests is usually undersized or nearing the end of its life.
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.
Peeling paint near the floor upstairs is one of the last signs Annapolis homeowners connect to a basement problem.
Whatever's going on with your Annapolis property, chances are we've already fixed something similar nearby this month.
A flooded Annapolis 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 βWe seal active Annapolis foundation cracks with epoxy 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 βAn interior drain tile system routes water to a sump pump before it reaches your Annapolis basement floor at all.
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 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.
A Annapolis technician walks the property, checks the foundation and drainage, and explains what's found in plain language.
The number you approve is the number you're billed β no change orders once the crew shows up.
You get documentation of the work plus a real warranty β not just a handshake.
Plenty of companies advertise Exterior Waterproofing in Annapolis β here's what actually separates the ones worth calling from the ones that aren't.
There's no verbal quote that grows once the crew shows up β the written estimate is final.
Our crews stage locally near Annapolis, which is why most emergency calls get a technician on-site in under two hours.
Warranty terms are explained in plain language before you sign, with no fine-print surprises later.
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.
Word of mouth is still how most Annapolis customers find us, which keeps our standards high.
"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."
"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."
"Sump pump inspection was thorough and they didn't try to sell me a new one when mine just needed a part replaced."
We back our Annapolis work with real, transferable warranties because we plan to be here long after the job is done, not just for the one visit.
π +1-866-476-1348Our Annapolis coverage spans the full metro area, residential and commercial alike.
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