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Mold Assist of Markham, ON

Updated 2026-08-12 · 17,962 reviewed · 589 listed · Scored from 39 Google reviews · How we rank ›

5.0(39) 83 composite score See reviews on Google ✓ Google-verified
Flood & Water ExtractionWater Damage Restoration ServiceFire & Smoke Damage RestorationMold RemediationInsurance Claims Assistance
Mold Assist of Markham, ON
Services
Flood & Water Extraction, Water Damage Restoration Service, Fire & Smoke Damage Restoration
Reviews
39

What recent reviews say

Every review scored five stars across four months. The team arrives on time, explains the mold source and remediation process in detail before starting, and addresses underlying moisture issues alongside the mold itself. Work is completed cleanly with attention to sealing and treating affected areas, leaving customers confident they understood what happened and why.

Reviewers consistently report finding the staff respectful, knowledgeable, and easy to talk to. The business handles basement mold, attic mold, and broader moisture problems, booking is described as straightforward, and communication runs throughout the job. No complaints appear in the review pool.

Praised for
  • punctual and prepared arrival
  • thorough inspection and diagnosis
  • clear explanation of findings
  • careful, detailed work
  • clean and organized finish
professional-crewpunctualthorough-dryingtransparent-pricingcourteous-staffsaved-propertycertified-technicians
Best for: homeowners in Markham and the GTA facing mold in basements, attics, or other areas with moisture concerns

Strengths

  • finds and fixes the moisture source, not just mold symptoms
  • IICRC-certified team
  • thorough inspection and clear explanation before work starts
  • punctual and organized on-site

What reviews say by service

Mold Remediation
thorough mold removal with attention to source cause and sealing; basement and attic problems addressed with detail and care
Water Damage Restoration Service
moisture issues identified and corrected alongside mold treatment; drying and preventive sealing described in detail

How it compares

  • Rated 5 against a 4.66 average across the 501 flood & water extraction businesses listed here.
  • Has more Google reviews than 68% of the businesses in this directory.

How we scored this

Ranking Method
Star rating 91
Review volume 70
Review recency 99
Review sentiment 81
Profile completeness 75
Verification 30

Rating breakdown

5
39
4
0
3
0
2
0
1
0

Contact

Last verified 2026-08-12

Opening hours

Monday
00:00-24:00
Tuesday
00:00-24:00
Wednesday
00:00-24:00
Thursday
00:00-24:00
Friday
00:00-24:00
Saturday
00:00-24:00
Sunday
00:00-24:00

As listed on Google.

From their website

Services listed
Mold RemovalMold RemediationAttic Mold RemovalMold InspectionMold TestingAir Quality TestingEmergency Mold CleanupBasement Mold Removal

Credentials claimed:IICRC-certified

As published by the business on its own website; not independently verified.

Enquire about Mold Assist of Markham, ON

Your enquiry goes to the Ontario Water Damage Directory team, who will pass it to Mold Assist of Markham, ON. We only share your details with providers relevant to your request.

Common questions

Can Mold Assist handle mold in my basement or attic?
Yes. Reviewers report thorough basement mold removal and successful attic mold remediation, with the team identifying underlying moisture sources in both areas.
Will I understand what's being done to my home?
The team explains findings clearly before work begins and answers questions throughout. Reviewers consistently report feeling informed about the mold source and remediation process.
Is the work guaranteed to be clean and complete?
Reviews describe mold being completely removed, areas sealed afterward, and workspaces left neat and organized. No mold problems are reported to return.

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Last updated 2026-08-12