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

Halo Water Proofing started as a small SC crew and grew because Mount Pleasant customers kept referring us to neighbors — that's still how most of our work comes in today.

Every technician on our Mount Pleasant crew is background-checked, factory-trained on the equipment we install, and held to the same estimate we quote you over the phone — no upsell surprises when the truck pulls up.
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.
📞 +1-866-476-1348Most Mount Pleasant customers didn't wake up one day with a flooded basement. It usually started small. These are the early signs worth calling about.
Odor is often the first sign Mount Pleasant customers notice, well before any visible water shows up.
Stair-step cracks in block foundations are a common early warning sign we see across Mount Pleasant-area homes.
It's easy to dismiss efflorescence as harmless dust, but it actually signals active moisture movement through the wall.
A sump pump that never stops cycling is often working harder than it should, or is undersized for your Mount Pleasant lot's water table.
A bowing basement wall is a structural concern in addition to a water one — this is the kind of Mount Pleasant call we prioritize fast.
Peeling paint low on a basement wall or warped baseboards upstairs often trace back to moisture migrating up from below.
From an emergency pump swap at 2 a.m. to a full exterior drainage system, this is the work we do in Mount Pleasant every day.
Storm season in Mount Pleasant, SC means our emergency line gets busy fast — we triage calls by severity so active flooding at your Mount Pleasant address jumps the queue ahead of routine inspections.
Call for Emergency Service →Freeze-thaw cycles in Mount Pleasant, SC 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 →Most sump pump failures we see in Mount Pleasant happen during the exact storms that need them most — a battery backup closes that gap when the power drops.
Schedule a Pump Inspection →For Mount Pleasant properties fighting grading or drainage issues, an exterior French drain can intercept water before it ever reaches the foundation wall at all. We map your yard's slope and water flow before recommending which approach fits.
Ask About Drain Systems →A damp, uninsulated crawl space under a Mount Pleasant home drives up humidity, invites mold, and wastes energy year-round. We seal it with heavy-duty vapor barrier, address any standing moisture, and can add dehumidification if needed.
Get a Crawl Space Quote →We can phase larger Mount Pleasant commercial projects around business hours or tenant schedules so operations aren't disrupted mid-project.
Request a Commercial Quote →Here's exactly what to expect once you call +1-866-476-1348 for Basement Waterproofing in Mount Pleasant.
We start with a phone conversation, not a script — enough to know whether this is an emergency dispatch or a scheduled inspection.
A technician inspects the Mount Pleasant property in person, checking the foundation, drainage, grading, and any active moisture before recommending a fix.
No verbal estimates that change later. What's quoted for your Mount Pleasant job is what's invoiced.
Our crew completes the work, cleans up the site, and walks you through the warranty coverage on what was installed.
There's no verbal quote that magically grows once the crew arrives at your Mount Pleasant property — the written estimate is the final word.
Because we're actually based near Mount Pleasant rather than routing calls through a national center, we can usually get someone out the same day you call.
Warranty terms are explained before you sign, in plain language, so there's no fine print surprise if you ever need to use it.
Our technicians are paid to diagnose correctly, not to upsell — that changes the advice you actually get on-site.
We can supply the photo documentation and repair scope most Mount Pleasant, SC carriers ask for before approving a claim.
Our name is on trucks driving around Mount Pleasant every day — we don't cut corners on a job our neighbors will see.
"They came out the same afternoon I called about water coming in during a storm. Explained everything before they touched anything. Basement's been bone dry since."
"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."
"We had three foundation cracks and expected a huge bill. Turned out only one needed injection — they didn't try to sell us on the other two. That honesty is rare."
"Technician actually explained why the water was coming in instead of just quoting a number. First contractor who's done that for us."
Halo Water Proofing provides Basement Waterproofing throughout Mount Pleasant and the surrounding zip codes, from established neighborhoods to newer developments still settling on their foundations.
Zip codes we serve in and around Mount Pleasant: 29466 29464 29465. Not sure if your address is included? Call +1-866-476-1348 and we'll confirm on the spot.
The map below shows our general Mount Pleasant coverage footprint. Call +1-866-476-1348 any time to confirm service at your specific address.
The longer water sits against your Mount Pleasant foundation, the more it costs to fix. Our line is open right now.
📞 Call +1-866-476-1348 — Mount Pleasant 24/7 Line