#1 Mold Removal, Inspection & Remediation In Toronto GTA

Updated on 10-Jan-2026

⭐ Toronto Mold Removal

Call ☎️647-985-2739 for WSIB & IICRC-CMRC Certified Professional Mold Removal in Toronto and the GTA. Specialized in FAST mold detection, mold inspection & testing. Don’t let mold compromise your living space. Let us help you restore it to its optimal condition. 

Being a 5 Star Google Varified and Top Ranked Local Mold Remediation Company near you in Toronto we’re fully equipped to tackle any mold challenge.

Our process entails: Containing moisture, Air testing, Negative air pressure, mold testing and detection with proper laboratory analysis.

Finally, we disinfect the entire area with Health Canada approved products. Over 60% of Toronto homes built before 1980 experience basement dampness issues, making mold removal a common need.” (CMHC).

Serving All Neighbourhoods in Toronto – Brampton, Burlington, Halton Hills, Milton, Oakville, Downtown Toronto, West Toronto (Alderwood, Baby Point, Bloor West, High Park, Humber Bay, Islington, Junction, Kingsway, Lambton Mills, Long Branch, Mimico, New Toronto, Queensway, Roncesvalles, Summerville, Sunnylea, Swansea) Midtown, and The Beaches.

We follow mold cleanup and remediation guidelines from these organizations: the IICRC(Institute of Inspection, Cleaning and Restoration Certification), the NAMP (National Association of Mold Professionals), Ontario Association of Home Inspectors and the IAQA (International Association of Assessing Authorities).

Do check out our 5 star customer review on sites like Google and HomeStars.

Rated #1 For Mold Removal in Toronto With Over 1k+ 5 Star Reviews

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⭐ Mold Growth In Home

Mold is a common household problem that develops wherever moisture, warmth, and organic material are present.

Mold spores exist in the air everywhere, but they only grow when conditions allow.

What Causes Mold Growth?

Mold needs three main ingredients to grow indoors:

1. Moisture – leaks, condensation, or high humidity.

2. Temperature – stable, warm environments accelerate growth.

3. Organic Material – drywall, wood, carpet, fabrics, and insulation serve as food sources.

Where Mold Commonly Grows

• Bathrooms – showers, tiles, and behind vanities.

• Basements – concrete walls, cold rooms, or around sump pumps.

• Attics – roof leaks, insulation, crawl space and wooden beams.

• Bedrooms & Living Areas – window sills, carpets, and furniture in humid rooms.

This list doesn’t mean that there isn’t mold growing elsewhere in your home, but it makes for a good starting place when it comes to visual mold inspection in toronto. For more detailed information check out our post on Mold Symptoms, Problems & Prevention

Research & Studies – WHO Guidelines for Indoor Air Quality: Dampness and Mould  – How to Prevent Mold Growth

⭐ Mold Symptoms and Health Problems

Mold exposure often feels like a seasonal cold, which makes it hard for many Toronto homeowners to recognize that mold may be the real cause. Indoor mold releases tiny spores that irritate the respiratory system. These reactions can appear mild at first and then worsen as exposure continues.

Common Short-Term Reactions to Mold

• • Sneezing
• • Itchy or watery eyes
• • Nasal congestion
• • Headaches
• • Coughing
• • Asthma flare-ups

These symptoms appear in many Toronto homes during winter when buildings stay closed and air circulation drops.

Additional Symptoms Linked to Mold Exposure

Some individuals experience broader health effects such as:

• • Nausea
• • Fatigue
• • Vomiting
• • Diarrhea
• • Skin irritation
• • Memory difficulty
• • Breathing trouble
• • Immune system stress

Mold Publications

• Chew GL, Horner WE, Kennedy K, Grimes C, Barnes CS, Phipatanakul W, Larenas-Linnemann D, Miller JD, Environmental Allergens Workgroup. “Procedures to assist healthcare providers to determine when home assessments for potential mold exposure are warranted.” J Allergy Clin Immunol Pract 2016; 4:417-22. DOI: 10.1016/j.jaip.2016.01.013.
• Major JL, Boese GW. “Cross Section of Legislative Approaches to Reducing Indoor Dampness and Mold.” J Public Health Management & Practice 2017; 23 (4): 388–395. DOI: 10.1097/PHH.0000000000000491.
• Damon SA, Chew GL. “Mold Cleanup Practices Vary by Sociodemographic and Allergy Factors.” Journal of Environmental Health 2020.

⭐ Water Damage, Mold, & Mildew

Mold and mildew in homes are primarily fueled by moisture, with bathrooms being particularly susceptible due to high humidity levels. Here’s a breakdown of the common causes:

• High Humidity and Poor Ventilation
• Structural and Material Flaws
• Water Incidents
• HVAC System Issues

To combat these issues, consider the following steps:

• Enhance Ventilation 
• Regular Inspections 
• Control Humidity   

⭐ How to Choose the Best Mold Removal Company in Toronto

Following tips can help you in choosing a good mold damage repair company and get in touch with a professional for effective mold removal in toronto.

Look for Experience

Mold remediation requires expertise. An experienced professional understands how mold spreads in attics, basements, bathrooms, and cold rooms. They know where hidden mold is likely to grow and how to stop it at the source.

Ask About Pricing & Free Inspections

Before hiring, call the company and explain your situation. Many reputable companies in Toronto offer a free mold inspection or video consultation. This first call is also a chance to judge how clearly they explain the process and whether they ask the right questions.

Check Certifications & Training

Since the mold industry isn’t heavily regulated, certifications and training are critical. Ask if the inspector or remediation specialist holds certifications such as IICRC (Institute of Inspection, Cleaning and Restoration Certification). Certified experts follow industry standards and provide confidence that mold won’t regrow.

Confirm Tools & Testing Methods

Professional mold inspectors use tools such as:

• Moisture meters – to detect hidden leaks.

• Hygrometers – to measure humidity.

• Air quality pumps – to test spore levels.

• Infrared cameras – to locate hidden growth.

Air quality testing is especially important in Toronto homes, as it identifies mold species and spore counts, confirming whether remediation is successful.

Need professional assistance with mold removal, reach out to the experts at Ultimate Mold Crew.

Book An Appointment Today

Why Professional Mold Removal Is Worth It

Choosing a certified, insured, and experienced mold removal company in Toronto ensures:

• Complete mold removal from every affected area.

• Prevention of mold regrowth by fixing moisture sources.

• Safer indoor air quality for your family.

• Protection of your property’s value.

👉 Book a free mold inspection today to make sure your home is safe, healthy, and mold-free.

👉 Tip for homeowners in Toronto & the GTA: Even small patches of mold can indicate a bigger problem behind walls or insulation. Calling a certified mold removal specialist ensures complete cleanup and long-term prevention.

How Much Does Mold Removal Costs In Toronto?

Mold removal in Toronto typically costs between $200 and $1,000, or an average of $10 to $25 per square foot. The exact price depends on the affected surface (drywall, wood, concrete, carpet, flooring, attic, bathroom, basement, cold room, etc.), the remediation method, and the total area impacted.

Key Factors Affecting Mold Removal Cost in the GTA

• Type of Area – Costs differ if mold is on drywall, insulation, flooring, attic beams, or basement walls.

• Removal Method – Each material requires a specific treatment process.

• Size of Affected Area – Small patches may be a few square feet, while severe cases cover entire basements or attics.

• Time Required – Mold remediation can take 1 to 4 days depending on contamination level.

👉 Note:  An inspection is required to visually assess the area and provide an accurate estimate for cost of mold removal in Toronto, detailing the scope of work necessary. Check out our Mold Removal Toronto Cost Calculator

Mold Removal and Remediation in Toronto GTA – FAQs

What are the health effects of mold exposure?

Mold exposure can lead to respiratory issues, allergies, skin irritations, and more severe reactions in sensitive individuals. Understanding these health risks is essential for prompt action against mold growth in your home.

How can I prevent mold growth in my home?

To prevent mold, maintain low humidity levels (30-50%), ensure proper ventilation, fix leaks promptly, and use mold-resistant products. Regularly inspect areas prone to moisture, like bathrooms and basements.

What should I do if I find mold in my home?

If you find mold, avoid disturbing it to prevent spore spread. Contact a professional mold remediation service for proper assessment and removal to ensure safety and effectiveness.

How long does the mold removal process take?

The duration of mold removal depends on the extent of the infestation. Typically, the process can take from a few hours to several days, depending on the size and complexity of the affected area.

Are DIY mold removal methods effective?

DIY methods may not be effective for extensive mold infestations. While small patches can be managed with proper cleaning, professional help is recommended for thorough removal and prevention.

What are the costs associated with mold remediation?

Mold remediation costs vary based on the severity of the infestation and the affected area. Generally, homeowners can expect to pay anywhere from $500 to $6,000, depending on the extent of the damage and services required.

Get in Touch for Expert Mold Remediation

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At The Ultimate Mold Crew Inc. we offer a number of ways in which we guarantee our services, one is by actively participating in accredited organizations that certify mold removal specialists in toronto  .

Call us today at any time of the day or night at 647-985-2739 or send us an email at info@ultimatemoldcrew.ca.

Our services are certified to independent third party specifications, hence these are proof that we are fully commited to professional standards and workmanship.

• Cleaning with a natural substance:
• Safe on Electrical System: This versatile process cleans heavy build-up without damaging sensitive areas like electrical components, switches, wiring, photoelectric sensors, and more.
• A complete and deeper cleaning:
• No harm:   Quickly removes most contaminants without damaging switches, panels, lines, tubes, cables or belts, HVAC equipment and is safe to use on electricity.

No downtime: The process is very fast and dry.

Ultimate Mold Crew – Mold Removal Toronto

How to reach us –

• View directions from Downtown Toronto
• View directions from Midtown Toronto
• View directions from CN Towers

Address: 11 Shallmar Blvd Unit 308, Toronto, ON M5N 1J6
Toronto, ON M5N 1J6 Canada
Phone: 647-985-2739

 Call ☎️647-985-2739 for emergency Mold Removal Services in Toronto – Old Toronto – Downtown Toronto.

We also serve Mississauga, Brampton, Vaughan, Richmond Hill, Markham, Pickering, Ajax – all other nearby locations within Greater Toronto Area.