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

Halo Water Proofing is a licensed and insured Sump Pump Installation company built around one idea: show up when you say you will, explain the problem in plain language, and fix it so it stays fixed.

Every technician on our McLean crew is background-checked, factory-trained on the equipment we install, and held to the same estimate we quote you over the phone β no upsell surprises when the truck pulls up.
One call gets you a straight answer and a real appointment window β not a call-back promise.
π +1-866-476-1348Most McLean customers didn't wake up one day with a flooded basement. It usually started small. These are the early signs worth calling about.
If the basement smells damp even when it looks dry, moisture is likely moving through the walls or floor somewhere.
Stair-step cracks in block foundations are a common early warning sign we see across McLean-area homes.
That white chalky film on basement walls is efflorescence β mineral deposits left behind as water evaporates through concrete.
If your pump is running around the clock instead of only during storms, it's worth having it evaluated before it fails completely.
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 McLean homeowners notice, even though the moisture issue started in the basement months earlier.
From an emergency pump swap at 2 a.m. to a full exterior drainage system, this is the work we do in McLean every day.
Standing water in your basement doesn't wait for business hours, and neither do we. Our McLean emergency crews remove the water first, then diagnose where it's getting in so it doesn't happen again next storm.
Call for Emergency Service βHairline cracks are how most McLean 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 βA tired or undersized sump pump is the #1 reason we get emergency calls in McLean after heavy rain. We install right-sized primary pumps so your basement stays dry even if the power goes out mid-storm.
Schedule a Pump Inspection βSome McLean lots need both an interior and exterior system working together β we'll tell you honestly if that's the case rather than selling just one.
Ask About Drain Systems βMusty smell upstairs that you can't explain? It's usually the crawl space. Our McLean crews encapsulate the space fully β floor, walls, and vents β so moisture stops migrating into your living areas.
Get a Crawl Space Quote βCommercial properties in McLean carry bigger stakes when water gets in: inventory, tenants, downtime. We scope commercial jobs with the same crew leads who run our residential work, backed by written specs and timelines.
Request a Commercial Quote βHere's exactly what to expect once you call +1-866-476-1348 for Sump Pump Installation in McLean.
We start with a phone conversation, not a script β enough to know whether this is an emergency dispatch or a scheduled inspection.
A technician inspects the McLean property in person, checking the foundation, drainage, grading, and any active moisture before recommending a fix.
You receive a written, itemized quote before any work begins β the number you approve is the number you're billed.
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 McLean property β the written estimate is the final word.
Our trucks stage locally around McLean, which is why emergency calls typically get a technician on-site in under two hours, not "sometime tomorrow."
If a covered repair fails, we come back and make it right. That's written into every contract, not just promised on the phone.
We'd rather earn a repeat customer with an honest small fix than push a system you don't need.
Filing a water damage claim in McLean, VA can be confusing β we've done it enough times with McLean adjusters to help you avoid common denials.
Our name is on trucks driving around McLean every day β 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."
"Fair price, showed up on time, cleaned up after themselves. Wish more contractors worked like this."
"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."
"French drain install took two days like they said it would, not five. Yard was put back together better than before."
"Insurance claim was a headache until they stepped in with photos and a written scope. Adjuster approved it within a week after that."
Our McLean coverage extends across the full metro footprint β residential streets, commercial corridors, and everything between.
We cover the following McLean-area zip codes: 22046 22043 22101 22102 22067 22103 22106 22107 22108 22109 β plus nearby communities. One call confirms coverage and gets a technician scheduled.
Use the map to gauge our McLean service radius β for an exact confirmation, a quick call is the fastest way to know.
The longer water sits against your McLean foundation, the more it costs to fix. Our line is open right now.
π Call +1-866-476-1348 β McLean 24/7 Line