Niagara Grime Stoppers
Pressure washer blasting grime off dark pavement

We stop grime
in its tracks.

Niagara's specialized exterior cleaning unit. Soft washing, pressure washing, deck restoration & more. See it. Report it. We'll clean it.

Call Us Report a Grime Scene
Fully Insured Eco-Safe Detergents Free Quotes · 2hr Response
About

We're local grime fighters.

Niagara Grime Stoppers is a family-run exterior cleaning operation built on a simple idea: most "before & after" photos in this industry are fake. Ours aren't — and we'll send you yours after every job. See it. Report it. We'll clean it.

Fully Insured

$2M liability coverage. WSIB compliant. Peace of mind built in.

Eco-Safe

Biodegradable, plant-safe detergents. Tested around kids and pets.

2hr Quote Response

Submit a photo, get a quote in two business hours. No tag, no chase.

Niagara-Wide

From Grimsby to Fort Erie. We patrol the entire region.

Patrol Map

Serving the entire Niagara Region.

From Grimsby to Fort Erie. From the QEW to the lake. If it's in Niagara, we'll clean it.

Communities we serve
  • St. Catharines
  • Niagara Falls
  • Welland
  • Niagara-on-the-Lake
  • Lincoln
  • Grimsby
  • Fort Erie
  • Port Colborne
  • Thorold
  • Pelham
  • West Lincoln
  • Wainfleet
Services

The Suspects

Algae. Mildew. Oxidation. Oil. Every exterior crime has a perpetrator — and we know how to take them down.

Soft WashingCase #NGS-001
Subject: Algae & Mildew

Soft Washing

Low-pressure chemical takedown for siding, roofs & delicate surfaces.

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Pressure WashingCase #NGS-002
Subject: Oil, Grease & Dirt

Pressure Washing

High-output blast for concrete, driveways & hard surfaces.

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Deck RestorationCase #NGS-003
Subject: Weathered Wood

Deck Restoration

Strip, brighten & restore wood decks back to like-new.

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Gutter CleaningCase #NGS-004
Subject: Clogged Drainage

Gutter Cleaning

Hand-removal of debris + flush + downspout check.

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Paver RestorationCase #NGS-005
Subject: Stained Interlock

Paver Restoration

Deep clean, re-sand & seal interlock pavers.

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Gutter BrighteningCase #NGS-006
Subject: Black Tiger Stripes

Gutter Brightening

Remove oxidation & tiger striping from aluminum gutters.

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Roof CleaningCase #NGS-007
Subject: Roof Mold

Roof Cleaning

Soft wash treatment for black streaks on shingles.

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Standard Operating Procedure

The Investigation

  1. 01

    Report

    Call the hotline or submit photos of the grime scene through our online form.

  2. 02

    Surveillance

    We assess the evidence, identify the perpetrator, and send a free quote within 2 hours.

  3. 03

    Deployment

    Our unit arrives on-site with the right tools — soft wash, pressure, or specialty chemicals.

  4. 04

    Case Closed

    Grime neutralized. Surfaces restored. We send the before/after evidence so the case is documented.

Evidence

Closed Cases

Drag the slider to see the grime disappear. (Demo images — real Niagara before/afters coming soon.)

House siding after professional cleaning
Before After
Evidence · NGS-0492House Siding · St. CatharinesSolved
Paver walkway after restoration
Before After
Evidence · NGS-0517Paver Walkway · Niagara FallsSolved
Witness Statements

On the Record

★★★★★
"Our driveway looked brand new — years of oil stains, just gone. Showed up on time, friendly, and the price matched the quote exactly."
Sarah M. Driveway · St. Catharines
★★★★★
"The black streaks on our roof were gone without anyone walking on the shingles. You can tell they actually know what they're doing."
Dave R. Roof soft wash · Welland
★★★★★
"Sent a few photos, had a quote back the same morning, and the deck looked ten years younger by the weekend. Highly recommend."
Karen P. Deck restoration · Niagara Falls
Case File · FAQ

Frequently Questioned

Soft washing vs. pressure washing — what's the difference?
Pressure washing uses high-output water for hard surfaces like concrete, driveways and pavers. Soft washing uses low pressure plus biodegradable detergents for delicate surfaces like roofs and siding. We match the method to the surface so nothing gets damaged.
Will it damage my roof or siding?
No. We never high-pressure delicate surfaces. Roofs and siding get a gentle soft-wash treatment that kills algae and mould at the root without stripping shingles or forcing water behind your siding.
How much does it cost?
Every property is different, so we quote per job. Send a few photos through the form above or call the hotline, and we'll send a free, no-obligation quote — usually within 2 business hours.
Are your detergents safe for plants, pets and kids?
Yes. We use biodegradable, plant-safe solutions and rinse surrounding greenery before and after. Everything we use is safe around children and pets.
Do I need to be home?
Not necessarily — as long as we have access to the areas being cleaned and an outdoor water source. We'll confirm the details with you when we book.
How long does the clean last?
Because soft washing kills the organisms at the root rather than just rinsing the surface, results typically last far longer than a quick pressure rinse — often 12–18 months or more, depending on conditions.
What areas do you serve?
The entire Niagara Region — St. Catharines, Niagara Falls, Welland, Niagara-on-the-Lake, Lincoln, Grimsby, Fort Erie, Port Colborne, Thorold, Pelham, West Lincoln and Wainfleet.
Report Grime

Report a grime scene.

Snap a few photos of the scene. Tell us the location. We'll review the evidence and send a free quote within 2 business hours.

Free · No obligation

Open a case file

Upload a few photos and the location — we'll send your free quote within 2 business hours.

Prefer to talk? Call the hotline: 289-478-0129

Case Intake · 24/7

Report a grime scene

    Or hit the 24/7 hotline: 289-478-0129

    Call Now Free Quote