Halo Water Proofing has been the Maplewood area's go-to call for Exterior Waterproofing because we answer the phone, show up on time, and stand behind the work.

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

We don't send apprentices to figure it out on your dime. Every Maplewood 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.
One call gets you a straight answer and a real appointment window — not a call-back promise.
📞 +1-866-476-1348Water problems rarely announce themselves all at once — they usually show up as small clues first. Here's what our Maplewood technicians hear about most often before an inspection.
Odor is often the first sign Maplewood customers notice, well before any visible water shows up.
Stair-step cracks in block foundations are a common early warning sign we see across Maplewood-area homes.
Efflorescence is a clear sign that water is actively passing through your Maplewood 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 Maplewood lot's water table.
A bowing basement wall is a structural concern in addition to a water one — this is the kind of Maplewood call we prioritize fast.
Flooring that's cupping or warping near an exterior wall is a common clue our Maplewood crews trace back to a drainage issue.
From an emergency pump swap at 2 a.m. to a full exterior drainage system, this is the work we do in Maplewood every day.
Standing water in your basement doesn't wait for business hours, and neither do we. Our Maplewood emergency crews pump out the basement first, then diagnose the source so it doesn't happen again next storm.
Call for Emergency Service →Hairline cracks are how most Maplewood basements start leaking. We use hydraulic cement 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 →Already have a sump pump that's failing or too small for your Maplewood lot? We'll test it, tell you honestly whether it needs replacing, and size the new one to your actual water volume — not the cheapest unit on the truck.
Schedule a Pump Inspection →For Maplewood 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 →Older Maplewood homes with vented crawl spaces are especially prone to seasonal moisture swings — encapsulation closes that off for good.
Get a Crawl Space Quote →We work directly with Maplewood property managers and business owners on below-grade waterproofing, parking structure sealing, and large-scale drainage corrections — scheduled around your operating hours.
Request a Commercial Quote →Here's exactly what to expect once you call +1-866-476-1348 for Exterior Waterproofing in Maplewood.
You call +1-866-476-1348 and talk to a real technician who asks the right questions to understand what's likely happening at your Maplewood property.
We walk the space with you, point out what we find, and explain it in plain language — no jargon, no pressure.
No verbal estimates that change later. What's quoted for your Maplewood job is what's invoiced.
Once the repair is done, you get documentation of the work and a written warranty — not just a handshake.
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.
Our trucks stage locally around Maplewood, which is why emergency calls typically get a technician on-site in under two hours, not "sometime tomorrow."
Warranty terms are explained before you sign, in plain language, so there's no fine print surprise if you ever need to use it.
If your Maplewood basement just needs a $200 crack seal instead of a $12,000 system, that's what we'll tell you.
Filing a water damage claim in Maplewood, WA can be confusing — we've done it enough times with Maplewood adjusters to help you avoid common denials.
Every Maplewood job reflects on the next referral, so we treat each one like it's the only advertising that matters.
"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."
"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."
Our Maplewood coverage extends across the full metro footprint — residential streets, commercial corridors, and everything between.
We cover the following Maplewood-area zip codes: 98332 — plus nearby communities. One call confirms coverage and gets a technician scheduled.
The map below shows our general Maplewood coverage footprint. Call +1-866-476-1348 any time to confirm service at your specific address.
One call to +1-866-476-1348 gets a licensed Maplewood technician scheduled — often the same day, 24/7 for active emergencies.
📞 Call +1-866-476-1348 — Maplewood 24/7 Line