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

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

We don't send apprentices to figure it out on your dime. Every Annandale 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.
📞 +1-866-476-1348Water problems rarely announce themselves all at once — they usually show up as small clues first. Here's what our Annandale technicians hear about most often before an inspection.
Odor is often the first sign Annandale customers notice, well before any visible water shows up.
Hairline cracks can widen over a Annandale winter's freeze-thaw cycle and become active leak points by spring.
Efflorescence is a clear sign that water is actively passing through your Annandale foundation wall, even if you've never seen standing water.
A sump pump that never stops cycling is often working harder than it should, or is undersized for your Annandale lot's water table.
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 Annandale homeowners notice, even though the moisture issue started in the basement months earlier.
Every Annandale property is different — soil, slope, foundation age, water table depth. We size the fix to the actual problem, not a one-size package.
Storm season in Annandale, MN means our emergency line gets busy fast — we triage calls by severity so active flooding at your Annandale address jumps the queue ahead of routine inspections.
Call for Emergency Service →Hairline cracks are how most Annandale basements start leaking. We use polyurethane injection to seal the crack from the inside out, stopping the leak at the source instead of just painting over the symptom.
Get a Crack Assessment →A tired or undersized sump pump is the #1 reason we get emergency calls in Annandale after heavy rain. We install dual-pump systems so your basement stays dry even if the power goes out mid-storm.
Schedule a Pump Inspection →An interior drain tile system channels water to a sump pump before it ever reaches your Annandale basement floor — one of the most reliable long-term fixes we install.
Ask About Drain Systems →Older Annandale homes with vented crawl spaces are especially prone to seasonal moisture swings — encapsulation closes that off for good.
Get a Crawl Space Quote →We can phase larger Annandale commercial projects around business hours or tenant schedules so operations aren't disrupted mid-project.
Request a Commercial Quote →No confusing steps, no hard sell — just the same process our Annandale crews follow on every job.
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 Annandale 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 Annandale 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.
We quote the job in writing after inspecting it in person, so what you agree to on the phone or at your door is what shows up on the final invoice.
A local dispatch model means the technician who answers questions about your Annandale job is the same one who shows up to do it.
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 Annandale, MN carriers ask for before approving a claim.
Word of mouth is still how most Annandale customers find us, which keeps our standards higher than a big out-of-town franchise.
"Called at 6am with a flooded basement and had a tech at my door by 8. No runaround, no upsell — 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."
"Straightforward commercial quote, no back-and-forth, crew was professional the whole project."
"French drain install took two days like they said it would, not five. Yard was put back together better than before."
"Technician actually explained why the water was coming in instead of just quoting a number. First contractor who's done that for us."
Our Annandale coverage extends across the full metro footprint — residential streets, commercial corridors, and everything between.
We cover the following Annandale-area zip codes: 55302 — plus nearby communities. One call confirms coverage and gets a technician scheduled.
The map below shows our general Annandale coverage footprint. Call +1-866-476-1348 any time to confirm service at your specific address.
The longer water sits against your Annandale foundation, the more it costs to fix. Our line is open right now.
📞 Call +1-866-476-1348 — Annandale 24/7 Line