Locally Dispatched — Great Neck, NY

Waterproofing Great Neck Homeowners Actually Trust

Wet basement? Cracked foundation? A Halo Water Proofing crew can be at your Great Neck property fast — upfront pricing, no guesswork, no pressure.

24/7 Emergency Line
Certified in NY
Free Estimates
Licensed Waterproofing service in Great Neck, NY - Halo Water Proofing
Serving Great Neck & nearby zip codes: 11024 11023 11027 11020 11021
25+ YrsIn Business
2,400+Great Neck Properties Waterproofed
75 MinResponse Window
4.9★Verified Review Score
Who We Are

Great Neck's Licensed Waterproofing Team — Not a Franchise Script

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

Professional Waterproofing technician working in Great Neck, NY

Every technician on our Great Neck 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.

  • Licensed and insured in NY
  • Around-the-clock emergency line for Great Neck
  • Upfront, written pricing — no exceptions
  • Written workmanship guarantees on major systems
  • Direct insurance billing assistance
Licensed in NY Insured & Bonded 24/7 Dispatch Local to Great Neck

A Small Crack Today Is a Big Bill Later

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.

📞 +1-866-476-1348
Know the Signs

What Great Neck Homeowners Usually Notice First

Water problems rarely announce themselves all at once — they usually show up as small clues first. Here's what our Great Neck technicians hear about most often before an inspection.

01

Mildew Smell That Won't Go Away

Odor is often the first sign Great Neck customers notice, well before any visible water shows up.

02

Visible Wall or Floor Cracks

Hairline cracks can widen over a Great Neck winter's freeze-thaw cycle and become active leak points by spring.

03

White Chalky Residue

That white chalky film on basement walls is efflorescence — mineral deposits left behind as water evaporates through concrete.

04

Sump Pump Running Constantly

A pump under constant strain tends to fail at the worst possible time — usually during the next big Great Neck storm.

05

Wall Leaning Inward

A bowing basement wall is a structural concern in addition to a water one — this is the kind of Great Neck call we prioritize fast.

06

Warped Baseboards

Peeling paint low on a basement wall or warped baseboards upstairs often trace back to moisture migrating up from below.

What We Fix

Waterproofing Solutions We Handle Every Week in Great Neck

From an emergency pump swap at 2 a.m. to a full exterior drainage system, this is the work we do in Great Neck every day.

24/7 Emergency Waterproofing

When your Great Neck basement floods, minutes matter for your drywall, flooring, and belongings. We dispatch a crew immediately, pull the water, and start drying the space with commercial-grade equipment the same visit.

Call for Emergency Service →

Foundation Leak Sealing

A cracked foundation wall isn't just a cosmetic issue — it's a water entry point and, over time, a structural one. Our Great Neck crews assess whether it's a simple seal or a sign of bigger settlement issues before recommending a fix.

Get a Crack Assessment →

Battery Backup Sump Pumps

Most sump pump failures we see in Great Neck happen during the exact storms that need them most — a battery backup closes that gap when the power drops.

Schedule a Pump Inspection →

French Drain Installation

Some Great Neck lots need both an interior and exterior system working together — we'll tell you honestly if that's the case rather than selling just one.

Ask About Drain Systems →

Crawl Space Moisture Control

Older Great Neck homes with vented crawl spaces are especially prone to seasonal moisture swings — encapsulation closes that off for good.

Get a Crawl Space Quote →

Commercial Foundation & Basement Services

We work directly with Great Neck 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 →
How It Works

From Phone Call to Dry Basement

Here's exactly what to expect once you call +1-866-476-1348 for Waterproofing in Great Neck.

1

Talk Through the Problem

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 Great Neck property.

2

On-Site Inspection

We walk the space with you, point out what we find, and explain it in plain language — no jargon, no pressure.

3

Upfront Estimate

You receive a written, itemized quote before any work begins — the number you approve is the number you're billed.

4

The Fix & Warranty

Once the repair is done, you get documentation of the work and a written warranty — not just a handshake.

Why Great Neck Chooses Us

What Actually Sets Halo Water Proofing Apart in Great Neck

Upfront Pricing

There's no verbal quote that magically grows once the crew arrives at your Great Neck property — the written estimate is the final word.

Local Dispatch, Not a Call Center

Because we're actually based near Great Neck rather than routing calls through a national center, we can usually get someone out the same day you call.

Backed Workmanship

Warranty terms are explained before you sign, in plain language, so there's no fine print surprise if you ever need to use it.

No Upselling

If your Great Neck basement just needs a $200 crack seal instead of a $12,000 system, that's what we'll tell you.

We Speak Adjuster

We can supply the photo documentation and repair scope most Great Neck, NY carriers ask for before approving a claim.

Our Reputation Is Local

Word of mouth is still how most Great Neck customers find us, which keeps our standards higher than a big out-of-town franchise.

Reviews

What Great Neck Customers Say

★★★★★

"Called at 6am with a flooded basement and had a tech at my door by 8. No runaround, no upsell — just fixed it."

— Homeowner in Great Neck
Basement Waterproofing Customer
★★★★★

"Fair price, showed up on time, cleaned up after themselves. Wish more contractors worked like this."

— Homeowner in Great Neck
Foundation Crack Repair Customer
★★★★★

"Crawl space smelled awful for years. Encapsulation crew did a clean job and the smell is completely gone upstairs now."

— Homeowner in Great Neck
Crawl Space Encapsulation Customer
★★★★★

"Managed our building's parking garage waterproofing project. Kept to the schedule, communicated well with tenants, minimal disruption."

— Property Manager in Great Neck
Commercial Waterproofing Customer
★★★★★

"French drain install took two days like they said it would, not five. Yard was put back together better than before."

— Homeowner in Great Neck
Foundation Crack Repair Customer
★★★★★

"Technician actually explained why the water was coming in instead of just quoting a number. First contractor who's done that for us."

— Homeowner in Great Neck
Foundation Crack Repair Customer
FAQ

Frequently Asked Questions — Waterproofing in Great Neck

How fast can a Waterproofing technician arrive in Great Neck?+
For active flooding or emergency calls, our Great Neck crews typically arrive within 60–90 minutes. Non-emergency inspections and quotes are usually scheduled within a day or two.
Do you provide upfront, written pricing before you start?+
Always. We never start work on a Great Neck job without a written estimate signed off first.
What emergency Waterproofing services are available in Great Neck?+
Our 24/7 emergency line covers active flooding, sump pump failures, and sudden foundation leaks throughout Great Neck — including nights, weekends, and holidays.
How much does basement waterproofing typically cost in Great Neck?+
Ask us on the phone for a ballpark range based on similar Great Neck jobs — the exact number always comes after we've actually seen the property.
Is Halo Water Proofing licensed and insured to work in Great Neck, NY?+
We carry full licensing and insurance for Great Neck, NY and can provide proof of both before any contract is signed.
Will you work with my homeowner's insurance claim?+
We're happy to work alongside your insurance company — we've handled this process with most major carriers serving Great Neck, NY.
How long does a typical waterproofing job take?+
A single crack repair can be same-day. A full interior drain tile and sump system for a Great Neck basement usually takes one to three days depending on size and access.
Do you offer a warranty on the work?+
Yes, our major systems come with written, transferable warranties — helpful if you decide to sell your Great Neck home later.
Can you fix a wet crawl space, not just a basement?+
Yes, crawl space work follows the same process as basement waterproofing: inspection, honest diagnosis, then a sealed, moisture-controlled space.
What areas around Great Neck do you actually cover?+
We serve Great Neck directly along with the surrounding zip codes listed on this page, plus nearby communities — call +1-866-476-1348 to confirm coverage at your exact address.
Do I need to be home during the repair?+
For most basement and crawl space work, yes — someone should be present at the start and end of the visit, though the crew can often work independently in between.
What's the difference between interior and exterior waterproofing?+
Interior work is generally less disruptive to landscaping and faster to install; exterior work addresses the water source directly but involves excavation. We'll recommend whichever fits your Great Neck property's specific drainage pattern.
Service Area

Where We Work Around Great Neck

Our Great Neck coverage extends across the full metro footprint — residential streets, commercial corridors, and everything between.

We cover the following Great Neck-area zip codes: 11024 11023 11027 11020 11021 — plus nearby communities. One call confirms coverage and gets a technician scheduled.

Find Us Near Great Neck

Waterproofing Service Map — Great Neck, NY

The map below shows our general Great Neck coverage footprint. Call +1-866-476-1348 any time to confirm service at your specific address.

Dealing With Water in Your Great Neck Basement Right Now?

One call to +1-866-476-1348 gets a licensed Great Neck technician scheduled — often the same day, 24/7 for active emergencies.

📞 Call +1-866-476-1348 — Great Neck 24/7 Line

Our Services in Great Neck, NY

🟢 Techs On Duty in Great Neck, NY Call +1-866-476-1348