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Mold Testing Resolves Tenant Health Complaint — Downtown Toronto

A Downtown Toronto Greater Toronto Area landlord contacted Mold Remediation By FloodTech Mold after receiving a formal Landlord and Tenant Board complaint from a tenant alleging that mold in the rental property was causing health issues. Facing potential rent abatement, a maintenance work order, and reputational damage, the landlord needed professional mold testing to objectively […]
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A Downtown Toronto Greater Toronto Area landlord contacted Mold Remediation By FloodTech Mold after receiving a formal Landlord and Tenant Board complaint from a tenant alleging that mold in the rental property was causing health issues. Facing potential rent abatement, a maintenance work order, and reputational damage, the landlord needed professional mold testing to objectively assess the situation and provide the documented evidence required by the LTB.

The Problem

What the Landlord Needed — And What the Mold Testing Found

The Downtown Toronto landlord had two pressing needs when they contacted Mold Remediation By FloodTech Mold: an objective professional assessment of whether mold was actually present in the rental unit, and documented evidence that would be accepted by the Ontario Landlord and Tenant Board. Mold Remediation By FloodTech Mold's professional mold testing service addressed both needs simultaneously. Air sampling mold testing confirmed elevated Penicillium and Aspergillus mold levels in both the bathroom and the basement area of the Downtown Toronto rental property. Surface swab mold testing of the bathroom grout and basement wall surfaces returned positive results confirming active mold growth. The mold testing report documented both the presence of mold and the specific locations, giving the landlord the objective professional evidence needed to respond to the LTB complaint responsibly.

  • Air sampling mold testing confirmed elevated Penicillium and Aspergillus in bathroom and basement
  • Surface swab mold testing returned positive results on bathroom grout and basement walls
  • Mold testing report provided objective professional evidence for LTB complaint response
  • Mold testing identified failed bathroom exhaust fan as contributing moisture source
  • Mold testing findings supported by thermal imaging mold inspection of both affected areas

The Legal Context

Why Professional Mold Testing

Under the Ontario Residential Tenancies Act, landlords have a legal obligation to maintain rental properties in a good state of repair and fit for habitation. Mold in a rental property is explicitly recognized as a condition that fails to meet this standard. When a tenant files an LTB health complaint related to mold, the landlord faces potential exposure to rent abatement orders, maintenance work orders, and in serious cases, fines. Professional mold testing from an IICRC-certified contractor provides the objective, third-party documented evidence that both establishes the facts and demonstrates the landlord's good faith response to the complaint. In this Burlington case, the landlord's prompt commissioning of professional mold testing and subsequent mold removal was cited by the LTB adjudicator as evidence of appropriate landlord conduct.

  • Ontario Residential Tenancies Act requires landlords to maintain rental units fit for habitation
  • Mold in rental properties is recognized as a habitability issue by Ontario LTB
  • Professional mold testing provides the objective third-party documentation LTB adjudicators require
  • Prompt commissioning of mold testing demonstrates landlord's good faith compliance response
  • Mold testing report and subsequent mold removal documentation fully resolved the LTB complaint

Our Mold Testing and Mold Removal Process

How Mold Remediation By FloodTech Mold Supported

01

Professional Mold Testing — Landlord Engagement

Mold Remediation By FloodTech Mold attended the rental property within 24 hours, conducted air sampling mold testing throughout the unit and outdoor baseline sampling, and performed surface swab mold testing of all visually suspect surfaces in the bathroom and basement.

02

Mold Testing Report for LTB

Mold Remediation By FloodTech Mold's certified mold testing laboratory report was formatted specifically for LTB submission, including mold species identification, spore concentration levels, location mapping of all mold testing sample collection points, and a written professional assessment by Mold Remediation By FloodTech Mold's IICRC certified technician.

03

Mold Removal Following Mold Testing

Based on the mold testing findings, Mold Remediation By FloodTech Mold completed professional mold removal in both the bathroom and basement areas of the Burlington rental property. The failed bathroom exhaust fan was replaced and the basement drainage grading was addressed to eliminate the contributing moisture sources.

04

Post-Clearance Mold Testing

Post-clearance air quality mold testing was conducted following mold removal. The clearance mold testing report confirming successful remediation was submitted to both the landlord and the tenant, and was accepted by the LTB adjudicator as evidence of successful remediation.

Prevention

How Downtown Toronto and GTA Landlords Can Prevent Mold Complaints

Prevention Tips

  • Schedule annual professional mold inspections of all rental properties in Toronto and the Greater Toronto Area
  • Ensure all bathroom exhaust fans in rental units are functional and rated for the bathroom size — replace them every 5 to 7 years
  • Respond to any tenant mold complaint immediately by commissioning professional mold testing — never dismiss or delay
  • Document all mold inspection, mold testing, and mold removal activities at rental properties with written reports and dated photographs
  • Consider proactive mold testing when tenant turnover occurs to establish a documented baseline mold status

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