Halo Water Proofing has been the trusted call for Waterproofing across Annandale because we answer the phone, show up when we say, and stand behind the work.
Background-checked Annandale technicians ยท Written pricing

Halo Water Proofing started small in the Annandale area and grew because customers kept referring us to their neighbors โ that's still how most of our work comes in today.
We don't run a bidding war between crews. The Annandale technician who inspects your property is the same one who does the repair, start to finish.
Our Annandale crew leads carry years of hands-on repair experience, not just sales training โ which is why the advice you get on-site tends to match what actually needs fixing.
One phone call gets you a straight answer and a real appointment โ not a vague callback promise.
๐ +1-866-476-1348Water problems build slowly before they become emergencies. These are the clues our Annandale crews hear about most.
If the basement smells damp no matter the season, water is likely finding a way in somewhere you can't see.
Stair-step cracking in block foundations is one of the most common early signs our Annandale crews see.
It's easy to mistake efflorescence for harmless dust, but it actually signals active moisture movement.
A Annandale sump pump that never rests is usually undersized or nearing the end of its life.
This is one sign we tell Annandale customers never to wait on โ wall movement tends to progress, not resolve on its own.
Flooring that's cupping near an exterior wall often traces straight back to a basement moisture issue below.
From a 2 a.m. sump pump failure to a planned exterior drainage project, here's what our Annandale crews handle most.
Storm season keeps our Annandale emergency line busy โ active flooding always jumps ahead of routine inspections in the queue.
Get Emergency Help โWe seal active Annandale foundation cracks with polyurethane injection โ stopping the leak at its source instead of patching the surface.
Ask About Crack Repair โMost Annandale pump failures happen during the exact storms that need them most, which is exactly why battery backup matters.
Book a Pump Check โSome Annandale properties need both systems working together โ we'll say so honestly instead of selling just one.
Talk Drainage Options โA damp Annandale crawl space drives up humidity throughout the house โ we seal it completely with heavy-duty vapor barrier and add dehumidification where needed.
Get a Crawl Space Quote โWe handle below-grade waterproofing for Annandale property managers and business owners, scheduled around your operating hours to limit disruption.
Request a Commercial Quote โHere's exactly what Annandale customers can expect from first call to final walkthrough.
A real technician asks the right questions to understand what's likely happening at your Annandale property before anyone drives out.
A Annandale 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 โ 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 Waterproofing in Annandale โ 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 โ the written estimate is final.
A local dispatch model means the technician who answers your questions is the same one who shows up.
Our major repairs come with written, transferable warranties โ useful if you sell the Annandale property later.
Our technicians are trained to diagnose accurately, not to upsell โ that changes the advice you actually get.
Filing a claim can be confusing โ we've walked Annandale customers through this process many times.
Our trucks are recognizable around Annandale โ we don't cut corners on jobs our neighbors will see.
"Called during a storm and had a tech at my door within two hours. Explained everything before touching anything โ basement's been dry since."
"Fair price, on time, cleaned up after. Wish every contractor worked this way."
"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."
"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."
"Crew was respectful of our landscaping during the drain install and left the yard looking better than before they started."
Every Annandale 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.
๐ +1-866-476-1348Our Annandale coverage spans the full metro area, residential and commercial alike.
Zip codes we serve in and around Annandale: 55302. Not sure your address is included? Call +1-866-476-1348 and we'll confirm right away.
The map below shows our general Annandale 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 Annandale line is open right now.
๐ Call +1-866-476-1348 โ Annandale 24/7 Line