Ultimate Mold Crew is an IICRC Verified, WSIB Certified & Insured Mold Removal Company in GTA with 10+ years of experience. Call 647-985-2739 For Free Mold inspection via video call. Check out our range of water damage & home restoration services including air quality testing below.
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Toronto’s Most Trusted Mold Removal Services
Need to get rid of mold in your home? Looking for professional mold removal specialist near you in the GTA? Welcome to The Ultimate Mold Crew Inc., we specialize in Mold Removal , Mold Inspection and Indoor air Quality Testing. We have over 10 years of experience with IICRC, CMRC, and IAC2 certified mold cleanup, mold inspection & testing specialists. We are also BBB Accredited , certified by MICRO for Mold Remediation Our mission is to provide quality services and terminate all sorts of black mold infections in your Bathroom, Kitchen, Drywall, Crawlspace or Attic . We fully comply with Ontario Regulation 278/05 (Asbestos & Mold). 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.
Certified Mold Testing & Remediation GTA
Don’t let mold compromise your living space. Let us help you restore it to its optimal condition. Call 647-985-2739 for WSIB & IICRC-CMRC Certified Professional Mold Removal & Testing in Toronto and the GTA. Specialized in FAST mold detection, mold inspection & testing.
Our Proven Mold Cleanup Process
Step 1
Mold Inspection
Step 2
Mold Detection & Assessment
Step 3
Mold Removal & Containment
Step 4
Deep Cleaning & Post-Remediation
Get Rid Of Attic Mold in Toronto GTA
Attics are prone to mold growth due to their low activity and hidden nature. Homeowners often discover mold during insulation updates, home inspections, or when preparing to sell—potentially deterring buyers. Regular checks are crucial to avoid surprises. Our expert team not only removes attic mold but addresses its root cause to prevent recurrence, providing clearance certificates for your peace of mind. Protect your home and investment with proactive attic maintenance.
Call ☎️647-985-2739 for emergency Attic Mold Removal 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.
Why Is Professional Mold Removal & Testing Important?
Mold is a common household problem that thrives on moisture, airflow, and organic materials. Areas like attics, crawlspaces, drywall, basements, and garages are particularly susceptible. Hiring a professional mold remediation company ensures proper removal, safeguarding both your property and health. If left untreated, mold can cause symptoms like breathing issues, itchy eyes, skin irritation, and headaches.
- You get complete mold removal from every affected area.
- No mold regrowth as we fix moisture sources.
- You get safer indoor air quality for your family.
- Your property’s value become 2X.
To make sure your home is safe, healthy, and mold-free. 👉 Book a free quote today
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. ** Cost varies and depends on various factors like Type of Area, Removal Method, process, Size of Affected Area, Time Required
Toronto Mold Removal, Testing & Inspection FAQs
Common types of mold include black mold (Stachybotrys), green mold (Penicillium), and white mold. Prolonged mold exposure can lead to health issues such as respiratory problems and allergies. Preventing mold requires controlling moisture levels and ensuring proper ventilation.
Here are some critical statistics about mold you might not know.
⭐ Mold Statistics
⭐Mold Types: Over 100,000 mold species exist, with some posing significant health risks.
⭐Fungi Species: The CDC estimates that 500 different species of fungi are currently thought to be harmful to people.
Health Impact: Approximately 20% of individuals are sensitive to mold, leading to respiratory and allergic reactions.
⭐Home Invasion: Up to 50% of households have hidden mold issues, often unnoticed until health symptoms or structural damage appears.
⭐Moisture Connection: Mold growth can start within 24-48 hours in damp conditions, emphasizing the need for swift moisture control. – Fisk and Berkeley Laboratory colleagues found that dampness and mold exposures increase the occurrence of a range of respiratory problems by 30–50%. (Source: Ncbi.nlm.nih.gov )
According to a report published in the World Health Organization’s (WHO) journal The Lancet, 92% of the world’s population lives in places where air quality levels exceed WHO limits. (Source)
⭐ It is estimated that approximately 800,000 or 7 percent of the citizenry have been exposed to some extent and become sensitized to compounds present in poorly ventilated indoor air. (Source: Ncbi.nlm.nih.gov)
⭐Mold can be found in up to 9% of homes with a terrace, 26% of medical facilities like outpatient clinics and hospitals, and 18% of elementary to high school facilities. (Source: Ncbi.nlm.nih.gov )
⭐Each year, nearly 600,000 children under 5 years old die from the effects of air pollution.(Source: Berkley.edu)
⭐ According to a recent survey, 40% of homes in Canada. are affected by mold.
⭐20% of the population carries genes that make them more susceptible to mold-related health conditions, according to a study published in the journal Genome Biology.
⭐Researchers have found around 270 Species of Mold in Canada. (Source: pbs.org )
⭐ About 70% of Homes Have Mold.
⭐ Indoor mold and dampness are associated with an estimated $3.7 billion in annual health care costs for allergic rhinitis.
⭐ In Canada, Toronto, Ontario Tops the List of Most Allergy Patients with Mold and Mildew Sensitivities at 21%
⭐ Any kind of water damage (flood, pipe burst, leakage) can facilitate the growth of a mold in as soon as 24-48 hours. (Source: realtimelab.com/mold-statistics)
Sources – https://www.bustmold.com/resources/about-mold/types-of-mold/
- https://species.wikimedia.org/wiki/Fungi
- https://ultimatemoldcrew.ca/mold-issues/
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1892134/
- https://www.who.int/data/gho/data/themes/air-pollution/who-air-quality-database/2022
- https://publichealth.berkeley.edu/news-media/research-highlights/new-research-shows-link-between-childhood-exposure-to-mold-and-asthma/
- https://www.pbs.org/newshour/science/the-sublime-slime-mold
- https://ultimatemoldcrew.ca/difference-between-mold-and-mildew/
- https://search.usa.gov/search?utf8=%E2%9C%93&affiliate=fema&query=mold&commit=Search+FEMA.gov
- https://www.niehs.nih.gov/health/topics/agents/mold
Attic - Mold growth due to poor ventilation or roof leaks
Bathroom - High humidity areas such as showers and baths
Basement - Prone to dampness and water intrusion
Windows and Doors - Mold around frames and window sills due to condensation
Cold Room/Cold Storage - High moisture levels in unheated spaces
Crawlspaces - Enclosed damp spaces under houses
Kitchen - Near sinks, drains, and appliances like fridges
Bedroom - Around windows, on carpet and furniture
Drywall - Absorbs moisture, supporting mold growth
Plaster - Older plaster walls may retain moisture
Ceiling - Water damage from leaks often leads to mold
Concrete - Mold in porous surfaces exposed to moisture
Foundation - Humidity and leaks can lead to mold in structural areas
Near Sinks and Drains - Constant moisture and organic material accumulation
Behind Appliances - Spaces behind washing machines and fridges often neglected
--- Allergenic: These species trigger allergies, sinus irritation, and asthma flare-ups. Sensitive individuals often react strongly, but even people without allergies can develop mild symptoms.
--- Pathogens: These molds mainly affect individuals with weakened immune systems or those recovering from serious illness.
--- Toxigenic:These strains produce dangerous mycotoxins and can cause health issues even in healthy adults.
Indoor mold growth is common in Toronto because of the city’s humidity cycles, older building stock, and basement moisture problems. Detecting and treating mold early prevents structural damage and reduces health risks, which is why trained mold remediation professionals are essential for accurate identification and safe removal. Lets know more about some common types of mold or fungi seen in household properties in Toronto, GTA areas.
--- Aspergillus
This species appears frequently in Toronto homes, especially in kitchens, bathrooms, and air conditioning systems. With more than one hundred and eighty known strains, Aspergillus can show different colours and textures.
Most strains are harmless, but some can cause respiratory illness or lead to aspergillosis in individuals with weaker immune systems. Because visual identification is unreliable, testing is recommended whenever Aspergillus is suspected.
--- Cladosporium
Cladosporium often grows as black or dark green pepper-like dots on bathroom surfaces, painted walls, and fiberglass air ducts.
It spreads quickly in damp indoor environments and is a common trigger for allergy and asthma symptoms.
--- Fusarium:
Appearance: Pink or reddish stains
Habitat: Carpet, upholstery, wallpaper, draperies
Temperature behaviour: Continues to grow in near-freezing conditions
Prevention: Routine vacuuming with a HEPA-grade vacuum reduces spread
Fusarium spreads fast in homes with chronic moisture issues, especially older Toronto basements and cold storage areas.
--- Penicillium:
Allergenic and pathogenic: yes
Symptoms: sinusitis, difficulty breathing, asthma episodes, chronic health problems in people with immune system disorders
Appearance: bluish-green fluffy mold
Habitat: homes with flooding or water damage, constant humidity required
Treatment: professional mold treatment recommended
--- Trichoderma:
Appearance: Small raised white spots, green mold in damp areas
Habitat: damp places like near leaky windows or around showers
Growth: quick in damp places
Symptoms: coughing, sneezing, bronchial infections
Mold [Ref: cdc.gov] that appears to be orange or red in color is typically found outdoors, given its nature to thrive on decaying plants or moist wood. This type of mold, can appear slimy, is harmless and should only be removed for aesthetic purposes.
There are many types of mold that look black, and not all “black mold” are as toxic as Stachybotrys.
SOURCES:
-- https://en.wikipedia.org/wiki/Spore#Fungi
-- https://commons.wikimedia.org/wiki/Mold
-- https://www.cdc.gov/mold-health/about/index.html#cdc_environmental_basics_types-common-types
-- https://pmc.ncbi.nlm.nih.gov/articles/PMC5490296/
-- https://en.wikipedia.org/wiki/Cladosporium
-- https://en.wikipedia.org/wiki/Fusarium
-- https://ultimatemoldcrew.ca/pink-mold-shower/
-- https://www.britannica.com/science/Penicillium
-- https://ultimatemoldcrew.ca/blue-mold-on-walls-ceiling-home/
-- https://ultimatemoldcrew.ca/white-mold-types-causes-removal/
-- https://ultimatemoldcrew.ca/green-mold-dangerous/
-- https://www.cdc.gov/mold-health/about/index.html
-- https://ultimatemoldcrew.ca/orange-slime-mold/
-- https://en.wikipedia.org/wiki/Black_mold
-- https://www.cdc.gov/mold/stachy.htm
Improve the airflow at your house to warrant that there is proper ventilation.
Ensure all household surfaces are clean and dry at all times to reduce chances of mold to grow.
Similarly, if there are any leaks, repair them on time and monitor your rooms and spaces regularly.
Take measures against having a damp environment at home.
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
Ask yourself:
Do symptoms ease when you leave a certain room?
Do you feel better while at work or outdoors?
Do symptoms return within minutes of re-entering your home?
If the pattern repeats, hidden mold could be the cause. Quick mold remediation helps restore indoor air quality and reduces ongoing health problems.
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.
--https://doi.org/10.1016/j.jaip.2016.01.013
--https://doi.org/10.1097/PHH.0000000000000491
--https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8978808/
1. Inspect for Visible Signs
Look for discoloured patches on drywall, wood, fabrics, or basement floors.
Household mold may appear black, green, white, red, or even blue.
Textures can vary: fuzzy, slimy, furry, or slick.
👉 Tip: Visible mold often indicates a deeper, hidden problem.
2. Monitor Health Symptoms
Mold spores can trigger allergies, coughing, watery eyes, and nasal irritation.
Unexplained illness indoors may be a warning sign.
Persistent musty odours also point to hidden mold growth.
3. Test Indoor Air Quality
Professional and DIY air quality tests can detect spore levels.
Airborne mold spores lodge in the respiratory system, making early detection important.
Regular testing ensures your home maintains safe air quality.
4. Scrub and Clean Surfaces
Use soap, water, and a stiff brush on affected areas.
Scrub deeply to reach porous surfaces like wood and drywall.
Disinfect after scrubbing to minimize regrowth.
5. Control Moisture & Humidity
Mold thrives where moisture is present.
Use hygrometers to keep humidity below 50%.
Pay special attention to basements, bathrooms, attics, and cold rooms.
6. Know When to Call a Professional
If mold covers more than 10 square feet, or keeps returning, call a certified mold removal expert.
Professionals use advanced tools (infrared cameras, air pumps, moisture meters) and provide detailed remediation plans.
A professional air quality test is the most reliable way to confirm if mold still exists.
✅ Key Takeaway: Small mold patches can be cleaned at home, but recurring or widespread mold requires professional inspection and removal to protect both your property and health.
References :
- https://www.canada.ca/en/health-canada/services/publications/healthy-living/residential-indoor-air-quality-guideline-moulds.html
- https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.664.3855&rep=rep1&type=pdf
- https://www.niehs.nih.gov/health/topics/agents/mold/index.cfm
- https://www.thecanadianencyclopedia.ca/en/article/mold
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