● On call every hour of every day

Water Doesn't Wait — Neither Does SGP Waterproofing in Ontario, NY

From a hairline crack in the block wall to standing water in the crawl space, our Ontario, NY crews handle it with flat-rate pricing and same-day dispatch.

24/7
Emergency Dispatch
Licensed Waterproofing service in Ontario, NY - SGP Waterproofing
Who We Are

A Licensed Ontario, NY Crew That Treats Your Foundation Like Our Own

We're a licensed, insured Waterproofing outfit built around Ontario, NY properties specifically — the clay-heavy soil, the seasonal freeze-thaw cycles, the older basements with parged walls that were never meant to hold back a modern water table. Every technician on our crew has logged real hours crawling through wet crawl spaces, not just reading about them.

Because we staff locally instead of subcontracting out to whoever's available, the estimate you get over the phone tends to match the invoice you get at the end of the job — no surprise line items, no upsell script.

  • Carrying full licensing and liability coverage on every job
  • Round-the-clock emergency response, including holidays
  • Written quotes with no hidden change orders

Freeze-thaw cycles, seasonal rainfall patterns, and water table depth all shift how urgently a given crack or seep needs attention in Ontario, NY specifically. We track these patterns because they change how we prioritize scheduling during storm season versus a slow drip in the middle of a dry month.

Because we've worked enough Ontario, NY basements to recognize patterns, we can often tell within the first ten minutes of an inspection whether a problem is isolated or connected to a larger drainage issue affecting the whole block. That context shapes whether we recommend a small crack repair or a full interior system.

Professional Waterproofing technician working in Ontario, NY
Problem Signs

How to Tell a Foundation Problem Is Getting Worse, Not Better

Most Ontario, NY water intrusion problems don't start as a flood — they start small, and they get worse on a schedule. Here's what our technicians look for on a first inspection.

Sign 01

Musty Basement Odor

A persistent musty smell almost always means moisture is present somewhere in the wall assembly, even if you can't see a wet spot yet.

Sign 02

White Powdery Efflorescence

Those white, chalky mineral deposits on block or poured concrete walls are salt left behind after water has migrated through the concrete and evaporated.

Sign 03

Hairline Wall Cracks

Small stair-step cracks in block walls or vertical hairline cracks in poured walls tend to widen over a season or two as hydrostatic pressure keeps pushing.

Sign 04

Damp or Bubbling Drywall

Drywall that feels soft, bubbles, or shows a tide line near the floor is already absorbing groundwater — by the time you see it, the insulation behind it is usually soaked too.

Sign 05

Window Well Flooding

If your window wells hold water for more than an hour after a storm, that water has nowhere to go but toward the seal around your basement window.

Sign 06

Standing Water After Storms

Water that pools against your foundation after every rain is telling you the drainage system, whatever's left of it, has stopped doing its job.

What We Do

The Waterproofing Work Ontario, NY Property Owners Call Us For Most

We scope every Ontario, NY job in person before quoting it, because two houses with the same symptom rarely need the same fix. These are the five services that make up most of our workload.

Emergency

Emergency Waterproofing & Flood Response

A burst window well seal or a failed check valve can put inches of water in a basement in under an hour — our emergency crews carry truck-mounted extraction pumps and moisture meters to start mitigation the same day you call.

Residential

Residential Basement Waterproofing

Interior drain tile systems, sump pump installation, and vapor barrier wall systems make up the bulk of our residential basement work across Ontario, NY neighborhoods.

Commercial

Commercial & Multi-Unit Waterproofing

We coordinate directly with building engineers and HOA boards so the scope, timeline, and access requirements are agreed on before a crew ever shows up on-site.

Foundation

Foundation Crack Repair & Injection

We classify every crack before injecting it — structural cracks get epoxy, active leaks get flexible polyurethane that expands to fill voids behind the wall.

Crawl Space

Crawl Space Encapsulation & Sump Systems

We also insulate exposed ductwork inside the crawl space while we're in there, since condensation on cold ducts is a second moisture source people rarely think about.

Drainage

Exterior Grading & French Drain Systems

Sometimes the fix isn't inside the wall at all — regrading the soil away from the foundation and adding a French drain can solve a moisture problem before water ever reaches the block.

How It Works

Our Four-Step Waterproofing Process in Ontario, NY

01

Call & Phone Assessment

A dispatcher walks through symptoms with you on the phone so the crew that shows up already has a rough idea what they're dealing with.

02

On-Site Inspection

We walk the interior and exterior with a moisture meter and flashlight, tracing water back to its actual entry point instead of guessing.

03

Written Quote

We put the scope, materials, and price in writing so you can compare it against anyone else's estimate line for line.

04

Installation & Walkthrough

Once installation wraps, we test the sump pump under load and walk you through the warranty paperwork before we leave the site.

Why Choose Us

What Sets SGP Waterproofing Apart in the Ontario, NY Waterproofing Market

1

Upfront, Flat-Rate Pricing

You'll know the total cost before we start — no hourly billing, no surprise add-ons once the walls are already open.

2

Fast Local Dispatch

Same-day availability isn't guaranteed on every job, but our Ontario, NY dispatch is built to prioritize it whenever the situation calls for it.

3

Specialized Equipment & Training

We also carry Category 1, 2, and 3 water classification protocols for jobs where the source water isn't clean groundwater.

4

Satisfaction Guarantee

We stand behind the installation with a written warranty, and we'd rather send a crew back for a free fix than lose a customer over it.

24/7 Emergency Waterproofing experts in Ontario, NY
Our Promise

Backed By a Written Warranty, Not Just a Handshake

Every interior drainage system, sump installation, and crack repair we complete in Ontario, NY comes with a written, transferable warranty — useful if you sell the property before the coverage period ends.

Trusted Waterproofing service in Ontario, NY - SGP Waterproofing
Reliable Waterproofing contractor in Ontario, NY by SGP Waterproofing
Service Coverage

Waterproofing Coverage Across Ontario and Surrounding Ontario, NY Communities

We dispatch crews throughout Ontario and the surrounding Ontario, NY service area, including the zip codes listed below. If you're just outside the boundary, call anyway — we often still make the trip.

Affordable Waterproofing solutions in Ontario, NY

Zip codes we serve in Ontario, NY: 14519

Customer Reviews

Real Waterproofing Reviews From Ontario, NY Property Owners

Top rated local Waterproofing specialists in Ontario, NY
★★★★★

"We had water coming in around the window well every time it rained hard. They regraded the area and sealed the well, and we haven't had a drop since."

— Ontario Homeowner

★★★★★

"The crack in our basement wall had been leaking for a year before we finally called. Injection took less than an afternoon and it's been dry since."

— Ontario Seller

★★★★★

"The crawl space under our addition never dried out properly. Full encapsulation with a dehumidifier fixed it in one visit."

— Ontario Homeowner

★★★★★

"Our old sump pump died during the biggest storm of the year and we got water in the finished basement. They replaced it with a battery backup system so we're covered even during a power outage."

— Ontario Customer

★★★★★

"Property management hired them to fix water coming through the garage ceiling. They scheduled the membrane work in phases so we never had to close the whole garage."

— Ontario Property Manager

★★★★★

"We'd been dealing with musty smell in the basement for years and finally found out it was efflorescence building up behind the paint. Interior drain tile solved it for good."

— Ontario Homeowner

FAQ

Frequently Asked Questions About Waterproofing in Ontario, NY

How fast can a Waterproofing technician arrive in Ontario, NY?▼

Most Ontario, NY emergency calls get a technician on-site within a few hours; non-urgent inspections are typically scheduled within one to two business days.

Do you provide upfront pricing?▼

Pricing is disclosed in full before you sign anything, and we walk through each line item so nothing is a surprise later.

What emergency services are available?▼

Emergency crews are equipped to stabilize the situation immediately, then schedule the permanent fix once the immediate flooding risk is under control.

How much does basement waterproofing typically cost?▼

Pricing varies with scope, but every Ontario, NY customer gets an itemized written estimate before any work is authorized, so there's never a guessing game.

Will you repair hairline foundation cracks or only large cracks?▼

We repair cracks of nearly any size — hairline cracks are often the easiest and least expensive to seal with polyurethane or epoxy injection before they widen.

Do you offer interior or exterior waterproofing systems?▼

Depending on what the inspection finds, we'll recommend interior drainage, exterior grading and membrane work, or a combination of both.

How long does a typical waterproofing job take?▼

We give you a realistic timeline in the written quote so you can plan around the crew being on-site.

Do you work with insurance claims for water damage?▼

We're happy to provide the documentation adjusters typically request, though we recommend confirming your specific coverage details directly with your insurance provider.

Is a sump pump necessary if I already have a French drain?▼

In most cases yes — a French drain collects water, but it still needs a sump pump to actually move that water out and away from the foundation.

Do you offer a warranty on your waterproofing work?▼

Yes, every interior drainage, sump, and crack repair job comes with a written warranty, and terms are explained in full before you approve the quote.

Can you waterproof a crawl space with standing water already present?▼

Yes — we pump out existing standing water first, then move into encapsulation and sump installation once the space is dry enough to work in safely.

Do you service commercial properties as well as homes?▼

Yes — our commercial work covers parking garages, retail basements, and multi-family buildings, usually scheduled in phases to minimize tenant disruption.

Get a Ontario, NY Waterproofing Crew Out Today

Call now for a free inspection and a flat-rate quote before anything gets worse.

Call +1-866-476-1348

Our Services in Ontario, NY

Offering top quality Waterproofing services in Ontario, NY. Certified, licensed, and available 24/7.

Zip Codes in Ontario, NY that we also serve: 14519

Cities Close To Ontario, NY That We Also Serve


Waterproofing Express #1
★ 4.9 (120+ Reviews)
Dispatch Center, NY
Call +1-866-476-1348
Waterproofing Express #2
★ 4.9 (120+ Reviews)
Dispatch Center, NY
Call +1-866-476-1348
Waterproofing Express #3
★ 4.9 (120+ Reviews)
Dispatch Center, NY
Call +1-866-476-1348
Waterproofing Express #4
★ 4.9 (120+ Reviews)
Dispatch Center, NY
Call +1-866-476-1348
Waterproofing Express #5
★ 4.9 (120+ Reviews)
Dispatch Center, NY
Call +1-866-476-1348
Waterproofing Express #6
★ 4.9 (120+ Reviews)
Dispatch Center, NY
Call +1-866-476-1348
Emergency Waterproofing available now in Ontario, NY 📞 Call +1-866-476-1348
🟢 Techs On Duty in Ontario, NY Call +1-866-476-1348