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Flood Basement Cleanup Service in Mississauga

Basement full of water? Every hour it sits, it soaks deeper into drywall, framing, and subfloor. DrainCom arrives within 60 minutes, day or night, with industrial extraction gear and direct insurance billing.

Call 905-238-6800
Request Your Free Inspection
  • Confidential
  • Takes 5 seconds
  • No obligation

DrainCom is the

No. 1 Rated

choice for licensed and insured basement waterproofing services in Mississauga, Canada.

A flooded basement gets worse by the hour. What starts as standing water soaks into drywall and framing, and within a day mould takes hold and the damage multiplies.

At DrainCom, we’ve handled emergency flood cleanup for over 20 years in Mississauga. We’re basement flood-prevention and restoration specialists — not a general contractor who cleans up on the side.

Water extraction, structural drying, sewage cleanup, sanitization, mould prevention, insurance documentation — we cover all of it. IICRC-certified technicians, industrial equipment, and direct insurance billing.

Call us at 905-238-6800

for a free drain inspection and quote, or fill out the request form at the top of this page.

What Homeowners Say About DrainCom

Basement Flooding Right Now? Here's What Happens Next

A flooded basement gets worse by the hour. Water wicks into drywall, weakens floor joists, and gives mould everything it needs to start growing within a day.

We’ve served Mississauga for over 20 years, and flood response is our core work, not a sideline. We roll up with truck-mounted extractors, commercial dehumidifiers, and thermal imaging cameras — on-site within 60 minutes, around the clock. We document every inch for your claim and bill your insurer directly.

Why Mississauga homeowners call us first:

  • A live person answers 24/7 — no voicemail, no next-morning callback.
  • On-site within 60 minutes — nights, weekends, and holidays included.
  • Direct billing to major insurers — we deal with the adjuster, not you.
  • We fix the cause, not just the water — failed pump, cracked foundation, blocked tile, whatever let it in.
How to Fix a Leaky Basement Wall from The Inside Advice for Toronto Area Homeowners

The Flood Cleanup Services We Provide

Exterior basement waterproofing services including excavation, membrane application, and drainage system installation

Emergency Water Extraction

Truck-mounted and portable extractors pull standing water out before it spreads into walls, insulation, and framing. We work from the lowest point outward and reach beneath surface flooring wherever access allows.

Sewage Cleanup

Sewage backups bring Category 3 black water loaded with bacteria and pathogens. Our technicians wear full PPE and use hospital-grade decontamination to contain and remove sewage from every affected surface, safely.

Basement Drying

Extraction clears the bulk water; drying handles the rest. High-velocity air movers, placed by moisture-meter readings, pull moisture out of drywall and wall cavities and run until we hit your pre-flood baseline.

Structural Drying

Floor joists, subfloors, and framing soak up water fast and give it back slowly. Our systems force airflow deep into the building assembly before saturated materials warp, rot, or lose load-bearing strength.

Dehumidification

Commercial LGR dehumidifiers run non-stop, pulling far more moisture per hour than any hardware-store unit. We remove the equipment when readings confirm safe levels, not on a fixed schedule.

Sanitization & Disinfection

We apply EPA-registered antimicrobial treatments to every affected surface — floors, walls, framing, and belongings — wiping out bacteria and viruses and the damp conditions that let mould take hold.

Mould Prevention

Mould can start forming within 24 to 48 hours. We apply inhibiting treatments after drying as a standard step, because stopping mould now costs a fraction of remediating it later.

Flood Damage Assessment

Thermal imaging and moisture meters map the full reach of the water before we touch anything. You get complete documentation to support your insurance claim.

What Our Documentation Does for Your Insurance Claim

The cleanup dries your basement. The paperwork protects your wallet. Here’s how our documentation works for you after the water’s gone:

  • Backs your claim with proof — moisture logs, thermal images, and before-and-after photos an adjuster can’t wave off.
  • Speeds up your payout — itemized invoices and a clear scope mean fewer back-and-forth delays.
  • Shows the cause was addressed — insurers often want proof the source is fixed, and we provide it.
  • Protects your future coverage — a documented, professional repair helps at renewal and on any resale disclosure.
  • Keeps you out of the paperwork — we talk to your adjuster directly, so you can deal with your family instead.
How to Fix a Leaky Basement Wall from The Inside Advice for Toronto Area Homeowners

What Flood Basement Cleanup Costs in Mississauga

Cleanup pricing depends on the water type, how long it sat, and how much finished space is involved. Here’s a realistic guide.

Cost Item Typical Range
Emergency water removal Part of a total job
Drying and dehumidification Part of a total job
Cleaning and sanitizing Part of a total job
Moderate cleanup job About $2,000 – $7,000
Average cleanup job About $4,000
Per-square-foot estimate About $4 – $12 / sq ft
Severe or contaminated cleanup $10,000+

You get a written quote before work starts — no surprise invoices and no inflated emergency rates. And because much of this is often covered by insurance, we bill your provider directly wherever your policy allows.

What Affects Flood Cleanup Costs

Exterior basement waterproofing services including excavation, membrane application, and drainage system installation

Type of water

Clean water is the cheapest to handle. Grey water from a sump failure or appliance needs full disinfection. Black water from sewage or storm flooding demands hazmat protocols and far more labour.

How long the water sat

Every hour deepens saturation and mould risk. Fast action is the single best way to keep the total down.

Finished versus unfinished

Finished spaces with drywall and flooring take more labour and often partial demolition to dry properly behind the surfaces.

Structural damage

Compromised joists, framing, or foundation materials add repair costs beyond standard extraction and drying.

What to Do the Moment Your Basement Floods

How to Fix a Leaky Basement Wall from The Inside Advice for Toronto Area Homeowners
  • Don't enter if there's any electrical risk — cut the power at the breaker panel first.
  • Call DrainCom at 905-238-6800 — the sooner extraction starts, the lower the total cost.
  • Shut off the water main if the source is a burst pipe or failed appliance.
  • Skip the regular vacuum — it isn't rated for water and it's an electrocution hazard.
  • Photograph and video everything before you move a thing — your insurer requires it.
  • Move valuables upstairs, but only if it's safe to enter.
  • Turn off the HVAC — running it circulates contaminated air and mould spores through the house.
  • Call your insurer after you call us — we coordinate with your adjuster directly.

Signs Your Basement Needs a Professional Cleanup Contractor

  • Persistent musty odour with no visible moisture
  • Mould patches — black, green, or white — on walls, framing, or stored items
  • White chalky deposits on concrete walls (efflorescence)
  • Warped, soft, or buckling floor surfaces
  • Bubbling paint or swelling drywall
  • Rust staining or watermarks on walls and floors
  • Worsening allergy or breathing symptoms indoors
How to Fix a Leaky Basement Wall from The Inside Advice for Toronto Area Homeowners

These aren’t cosmetic. Water has worked into the building materials, and the damage keeps going until it’s treated properly.

How Our Flood Cleanup Process Works

Exterior basement waterproofing services including excavation, membrane application, and drainage system installation

Dispatch

On the road within 60 minutes, 24 hours a day.

Assessment

Thermal imaging and moisture meters document the damage before we touch anything, and the report goes to your insurer.

Extraction

Industrial pumps clear all standing water from the lowest point outward.

Content handling

Salvageable items are moved and logged; damaged materials are removed and disposed of with your approval.

Structural drying

Air movers and LGR dehumidifiers run three to five days, until moisture readings confirm complete drying.

Sanitization

EPA-registered treatments are applied to every affected surface.

Daily monitoring

We take moisture readings and adjust equipment each day until it’s confirmed done.

Final inspection

We walk the space with you before any equipment leaves.

Insurance report

You get the full documentation package for your claim.

Why Fast Cleanup Matters

Timeframe What’s Happening
1 – 2 hours Water absorbs into drywall, insulation, framing, and subfloor
24 hours Mould begins growing, drywall softens, metals corrode
48 – 72 hours Mould turns visible, structural materials start to fail, odours embed
1 week Major remediation required — costs can triple

Fast action is the difference between a $2,000 cleanup and a $10,000 restoration.

Clean Water vs. Grey Water vs. Black Water

Category Common Sources Health Risk Cleanup Required
Clean (Cat. 1) Burst pipes, appliance overflow, rainwater Low Extract, dry, disinfect
Grey (Cat. 2) Sump failure, washing machine, dishwasher Moderate — illness on contact Full disinfection beyond standard drying
Black (Cat. 3) Sewage backup, storm flooding High — bacteria, viruses, parasites Full hazmat protocols, PPE, possible material removal

Don’t handle grey or black water without professional equipment and training. Call us immediately.

Why Mississauga Homeowners Choose DrainCom

  • 20+ years serving Mississauga — basement flood work is our core specialty, not a side service.
  • 60-minute response, 24/7 — fully loaded vehicles staged across the city.
  • IICRC-certified technicians — the restoration industry’s standard for training and credentials.
  • Commercial-grade equipment — industrial extractors, LGR dehumidifiers, and thermal imaging.
  • Direct insurance billing — we handle the documentation, photos, and adjuster calls.
  • Transparent pricing — a written quote before work starts, no inflated emergency rates.
  • We fix the cause — failed sump pump, foundation crack, weeping tile, or drainage issue, not just the water on the floor.
Request Your Free Inspection
  • Confidential
  • Takes 5 seconds
  • No obligation

Top Rated Waterproofers just a call away!

Business Hour:
Monday to Friday: 8a.m -9p.m
Saturday and Sunday: 9a.m – 2p.m

Call 905-238-6800

Frequently Asked Questions

Within 60 minutes, 24/7. We dispatch a crew immediately — no assessment call before we send help.

 It depends on your policy. A standard Ontario policy usually covers sudden, accidental internal water damage, like a burst pipe. But overland flooding (surface water) and sewer backup are typically excluded unless you’ve added those optional endorsements. We document the full scope, bill your insurer directly, and work with your adjuster to get you what your policy allows.

 Water extraction takes two to four hours. Structural drying takes three to five days with continuous equipment. We monitor daily and pull the gear only when the readings confirm it’s done.

For a small clean-water spill in an unfinished space, maybe. For anything significant, and especially sewage, no. Consumer equipment can’t dry the moisture trapped inside wall cavities, and that’s where mould starts.

Not if you act fast. Mould needs 24 to 48 hours to establish. Call us right away and it’s preventable.

Yes, moisture logs, thermal imaging, before-and-after photos, and itemized invoices. We talk to your adjuster directly.

Yes. We diagnose and correct the source: a failed sump pump, foundation crack, blocked weeping tile, or a drainage issue — not just remove the water.

 Yes. Flooring, drywall, and insulation that can’t be salvaged are removed and disposed of as part of the restoration scope.

Wherever your policy allows, yes. We handle the documentation and adjuster communication so you’re not fronting the cost or chasing paperwork during an already stressful week.

Basement Flooding Right Now?

Call DrainCom. A real person answers 24 hours a day, 7 days a week — nights, weekends, and holidays. We’re on-site anywhere in Mississauga within 60 minutes.

Book Your Free Basement Inspection
Call 905-238-6800

Our Related Services

Cleanup gets your basement dry. These services keep it that way, and we can roll them into the same visit:

How to Fix a Leaky Basement Wall from The Inside Advice for Toronto Area Homeowners

Our Service Area

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