Mold Removal Markham
If you’re experiencing mold in your Markham home or business, CPR24 Restoration is your reliable partner for fast, certified, and effective mold removal in Markham. Mold growth—especially in moisture-prone areas like basements, attics, bathrooms, and behind walls—can cause serious health problems and structural damage if not addressed promptly.
Our IICRC-certified technicians specialize in black mold removal, mold testing, mildew treatment, and moisture control solutions. Using advanced tools and years of industry expertise, we deliver long-term results to help you breathe easier and feel safer in your property.
Why Mold Is a Growing Problem in Markham Properties
Markham’s humid summers, damp basements, heavy rainfall, and rapid urban development create ideal conditions for mold and mildew to grow. Even newer homes in Markham may suffer from poor ventilation, hidden leaks, or condensation—all of which can trigger mold infestations behind walls, under floors, or in the attic.
Whether the source is water damage, leaky pipes, or excess humidity, we are here to help with complete mold remediation in Markham.
Common Mold Types Found in Markham Homes and Businesses
We frequently discover these types of mold during inspections:
Black Mold (Stachybotrys chartarum): Toxic and dangerous, commonly found in damp drywall, insulation, or ceilings.
Aspergillus: Often detected in HVAC systems and damp areas.
Penicillium: Found in water-damaged furniture, carpets, and fabrics.
Cladosporium: Appears on wood, tile grout, and air ducts.
Each mold type poses specific health and property risks—making professional detection and removal essential.
Detecting Mold in Your Property – Signs You Shouldn’t Ignore
Mold often hides in unseen areas but still affects your air quality. Here’s how to know if you may need mold testers near you:
Top Signs of Hidden Mold:
Persistent musty or earthy odours
Peeling paint, bubbling wallpaper, or discoloured walls
Warped flooring or soft drywall
Respiratory issues that worsen indoors
Condensation on windows or walls
Frequent sneezing, coughing, or itchy eyes
If you’re unsure, professional mold testing in Markham can confirm the presence and severity of indoor mold.
Mold Testing Services in Markham – Know What You’re Breathing
Before starting mold remediation, we offer detailed mold testing using:
Air Sampling: Measures airborne mold spore levels
Surface Swab Testing: Identifies mold species growing on walls or furniture
Thermal Imaging & Moisture Mapping: Locates hidden leaks or water damage
Humidity Monitoring: Identifies high-risk moisture-prone zones
If you’re Googling “mold testers near me” or “mold testing Markham,” CPR24 Restoration provides accurate diagnostics with same-day reporting and solutions.
Our Mold Removal & Remediation Process in Markham
We follow a comprehensive, step-by-step approach to ensure full mold elimination and prevention:
1. Inspection & Testing
We identify mold sources and assess the spread using infrared imaging, air testing, and moisture meters.
2. Containment & Safety Measures
Barriers and negative air pressure machines prevent cross-contamination. Our team wears PPE to ensure safety.
3. Mold & Mildew Removal
We remove contaminated drywall, carpets, insulation, or wood. Our team uses HEPA vacuums and EPA-approved fungicides.
4. Attic Mold Treatment
Attics are a common source of mold due to poor ventilation. We offer specialized attic mold removal in Markham, including insulation replacement, roof leak fixes, and air circulation improvements.
5. Cleaning & Disinfection
We deep clean all surfaces and air vents, killing mold spores and restoring indoor air quality.
6. Drying & Dehumidification
We dry affected areas using industrial dehumidifiers and air movers to remove all moisture.
7. Restoration & Repair
We restore your home by replacing drywall, repainting walls, and repairing damaged areas—leaving your space mold-free and refreshed.


How Much Does Mold Removal Cost in Markham?
One of the most common questions we get is: “What’s the mould removal cost in Markham?”
The cost of mold remediation depends on:
- Size of affected area (small spots vs. whole rooms)
- Type of mold (including suspected black mold and other mold growth)
- Accessibility (attics, crawlspaces, behind walls)
- Extent of damage (minor cleaning vs. full demolition)
Average Mold Removal Prices:
- Small Area (under 10 sq ft): $500 – $1,000
- Medium Area (10–100 sq ft): $1,000 – $3,500
- Large Area (100+ sq ft): $3,500 – $8,000+
Professional Mold Inspections & Estimates: CPR24 Restoration provides comprehensive on-site mold inspections in Markham for $250 + HST. This includes a visual assessment, moisture readings, thermal imaging where applicable, a detailed inspection report, and a written mold remediation estimate.
The $250 inspection fee is deducted from the total project cost if you proceed with CPR24 Restoration. All remediation estimates include transparent pricing and a detailed scope of work, with no hidden fees.
How to Prevent Mold in Your Markham Home
Prevention is just as important as removal. After mold remediation, we help homeowners understand how to prevent mold in the house long-term:
Install dehumidifiers in basements and humid areas
Ensure proper ventilation in kitchens, bathrooms, and attics
Seal roof and plumbing leaks quickly
Use mold-resistant paint and materials
Schedule annual mold inspections
Clean gutters and downspouts to avoid water pooling
Want ongoing protection? Ask about our moisture control services and annual maintenance plans.
Why CPR24 Restoration Is the Top Choice for Mold Removal in Markham
- Local Experts with 10+ Years of Experience
- IICRC-Certified Mold Remediation Technicians
- 24/7 Emergency Response
- Transparent Pricing and Professional Inspections for $250 + HST
- Advanced Mold Testing & Inspection Tools
- Trusted by Markham Homeowners & Realtors
- Full Restoration Services Available
We go beyond surface-level removal to provide comprehensive mold remediation backed by long-term prevention strategies.
Serving All of Markham and Surrounding Communities
We proudly serve all neighbourhoods in Markham, including:
Unionville
Cornell
Milliken Mills
Thornhill
Box Grove
Cachet
Wismer Commons
Greensborough
Berczy Village
Angus Glen and more
Get Fast, Reliable Mold Removal in Markham – Call Today
Don’t let mold take over your home. If you’re looking for mold testers near me, mildew removal companies, or professional black mold remediation, CPR24 Restoration is your trusted local partner in Markham.
Call us today at (416) 551-8287
Book your mold inspection in Markham now!
How Mold Removal Works in Markham
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Professional mold removal typically costs between $1,800 and $3,800 for smaller, contained areas, while larger or more extensive remediation projects may range from $4,000 to $10,000 or more. The final cost depends on the size of the affected area, severity of contamination, accessibility, and whether damaged materials require removal. Pricing may include containment, HEPA air filtration, antimicrobial treatment, and disposal. CPR24 Restoration provides professional mold inspections and detailed remediation estimates. Drywall replacement, painting, and reconstruction are generally quoted separately.
Small patches of mold on accessible, washable surfaces can sometimes be cleaned safely with appropriate protective equipment. However, professional mold removal is recommended for extensive contamination, recurring mold growth, sewage-related contamination, or mold affecting drywall, insulation, and concealed areas. Improper removal can spread mold particles and leave contamination behind. CPR24 Restoration follows IICRC S520 remediation practices, using containment barriers, HEPA air filtration, and professional cleaning procedures to help prevent contamination from spreading.
Black mold refers to mold with a dark appearance and does not necessarily identify a particular species. Exposure to indoor mold can cause allergic reactions, respiratory irritation, and worsening asthma symptoms in susceptible individuals. Mold colour alone cannot determine its health risks. Any visible indoor mold should be investigated, especially when it covers a large area or repeatedly returns. Professional mold remediation may be recommended depending on the extent of contamination and affected building materials.
Common signs of hidden mold include persistent musty odours, water stains, peeling paint, warped baseboards, damp drywall, and previous water damage. Mold can develop behind walls, beneath flooring, above ceilings, and inside concealed cavities where moisture remains trapped. CPR24 Restoration uses moisture meters, thermal imaging, and visual inspections to identify suspicious moisture conditions. These tools help locate potential moisture problems but do not directly confirm mold growth. Additional investigation or selective removal of building materials may be necessary to identify concealed contamination.
Professional mold remediation typically takes one to several days, depending on the size of the affected area, contamination levels, and materials requiring removal or treatment. Smaller projects may be completed within one day, while larger projects may require additional time for containment, demolition, cleaning, drying, and verification. HEPA air scrubbers may remain operating after active remediation when appropriate. Drywall replacement, painting, and other reconstruction work are generally scheduled separately
Professional mold remediation typically includes assessing the affected area, installing 6-mil polyethylene containment barriers when required, using HEPA-filtered air scrubbers and negative air pressure where appropriate, removing contaminated materials, HEPA vacuuming, and detailed surface cleaning. CPR24 Restoration follows IICRC S520 practices and uses Benefect antimicrobial treatment when suitable. Moisture assessments, dehumidifiers, and additional drying equipment may also be required. The exact scope depends on the extent of contamination, affected building materials, and property conditions.
Mold-contaminated drywall often requires removal because drywall is a porous material that can absorb moisture and support mold growth beneath its surface. Surface cleaning or antimicrobial spraying alone may not adequately address contamination within the material. When mold affects drywall, insulation, or concealed wall cavities, professional remediation may involve controlled demolition, HEPA vacuuming, detailed cleaning, and appropriate antimicrobial treatment. CPR24 Restoration evaluates affected materials to determine whether cleaning is sufficient or selective removal is necessary. Drywall replacement and reconstruction are quoted separately.
Yes, mold can return after professional remediation if the underlying moisture problem has not been corrected. Common causes include plumbing leaks, roof damage, condensation, high humidity, and inadequate ventilation. Professional mold remediation removes or cleans contaminated materials, but preventing future growth also requires moisture control. Repairing leaks, improving ventilation, maintaining appropriate indoor humidity, and promptly drying water-damaged materials can significantly reduce the likelihood of mold returning.
A professional mold inspection is recommended when the extent, location, or cause of contamination is unclear. However, air quality testing is not always necessary when visible mold is already present. Testing may be useful when there are persistent musty odours without visible growth, concerns about hidden contamination, or a need for independent post-remediation verification. CPR24 Restoration offers mold inspections, moisture assessments, and air quality testing to help evaluate property conditions and determine appropriate remediation recommendations.
Homeowners insurance may cover mold remediation when the contamination results from a sudden and accidental water damage event covered by the policy. Mold caused by long-term leaks, excessive humidity, condensation, or inadequate maintenance is often excluded. Coverage depends on the insurance provider, policy wording, and cause of damage. CPR24 Restoration assists homeowners with inspection reports, photographs, remediation estimates, and supporting documentation for insurance claims. Homeowners should confirm their specific coverage with their insurance provider.
CPR24 Restoration has office locations in North York, Richmond Hill, Vaughan, Aurora, Etobicoke, Mississauga, and Oakville. Our team provides on-site mold inspections and professional mold removal across Toronto and the GTA, including Scarborough, Woodbridge, Maple, Markham, Stouffville, Newmarket, King City, Bradford, Bolton, Caledon, Brampton, Burlington, Milton, Pickering, Ajax, Whitby, Oshawa, and Uxbridge. Services include attic, basement, bathroom, and other residential and commercial mold remediation. Call 416-551-8287 to confirm availability and arrange an assessment at your property.
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Featured Mold Removal Projects in Markham
At CPR24 Restoration, we take pride in delivering high-quality restoration services that help homeowners and businesses recover from disasters. Our featured projects showcase real-life examples of mold removal and more. Each project highlights our expertise, rapid response, and commitment to restoring properties efficiently and safely. From minor repairs to full-scale restorations, we ensure every job is completed with precision and care.
What Our Clients Are Saying
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Marilyn LoweTrustindex verifies that the original source of the review is Google.
We consider ourselves fortunate to have happened upon CPR24 Restoration via a Google search when we were in need of remediation work for a mold issue in our basement. The glowing reviews prompted us to call and we quickly became aware of why this company has met with so much success. As soon as Chris arrived we could see his mind turn to problem-solving mode. He assessed our situation, outlined the work that needed to be done and most importantly provided reassurances that his team could get right on it. It gave us peace of mind to know that CPR24 could not only deal with the mold issue but also put everything back together and refresh all the areas involved. Not having to go in search of renovation contractors was particularly important to us as we had time constraints to get the work done. We were impressed by the efficiency of the trades and the respect shown to us and our home by all the workers involved. And it was nice to see some of the same faces throughout the project which provided continuity for us. It was evident that these individuals took pride in their work and were committed to a job well done. We thank CPR24 for its professionalism and timely service and certainly recommend it for your restoration needs.![]()
Mario CaniTrustindex verifies that the original source of the review is Google.
I had a flood in my basement and I called right away to get help. The team was extremely professional and efficient. They were with me every step of the way, and answered all the questions that I had. This is by far one of the most professional companies I have ever had the pleasure of dealing with. I would recommend them to everyone that I know because they really care about their work and they treat the customer with the upmost importance and respect![]()
Automotive serviceTrustindex verifies that the original source of the review is Google.
Outstanding service from CPR Restoration! They were fast, professional, and took care of everything with great attention to detail. Highly recommend for any restoration needs.![]()
siobhan freedmanTrustindex verifies that the original source of the review is Google.
Recently found mold in my attic, called CPR24 Restoration after finding them on the first page of Google. They picked up the phone straight away and gave me a whole detailed rundown on the steps that would need to be taken in my attic. They were very professional and efficient throughout the entire process. Overall excellent mold removal and remediation company with quick and professional service. Beyond satisfied with the results! Will be recommending to my friends&family.![]()
Ryan McCahillTrustindex verifies that the original source of the review is Google.
I called CPR24 Restoration after a condo water leak I recently experienced. After searching flood companies on Google and countless calls with other companies, CPR24 Restoration was the one that stood out to me most and was honestly most helpful throughout the entire process. Chris was quick to answer the phone, and they were the only company that gave me a clear outline of the water damage and flooding process. He met with me the same day of my phone call and was always very punctual. The team was very patient with me, they helped answer all of my many questions and were always very quick to respond if I had any issues throughout the week. I really appreciated how supportive Chris and his team were throughout the entire process. Highly recommend CPR24 Restoration!![]()
Aiden LenehanTrustindex verifies that the original source of the review is Google.
I had an amazing experience with CPR24 Restoration. I had mold in my basement and they were very quick and easy. Great customer service, Highly recommend.![]()
Stacey NdociTrustindex verifies that the original source of the review is Google.
My sister recommended CPR24 Restoration for flood damage and mold removal. I started to smell mold in my basement last week, I called Chris and he was there within the hour. I am so relieved I called him when I did because there were signs of toxic black mold which their team removed very efficiently. Staff was friendly and very punctual. Overall 10/10 experience!![]()
Farid AmirTrustindex verifies that the original source of the review is Google.
Recently I had mold problem in my basement Chris from CPR Restoration came with his professional team and took care of the situation I recommended them to all my friends great company to call![]()
Tatiana TrigazisTrustindex verifies that the original source of the review is Google.
I want to share my wonderful experience with CPR24 Restoration whom I highly recommend to others looking for mold removal companies. I called CPR24 Restoration for the toxic black mold I had in my basement, after finding them on Google. They were always on time, responded quick to my emails, and made me feel very secure throughout the whole process. Their team was very efficient but extremely careful at the same time. So professional and will definitely be keeping their contact for the future.![]()
Progna ParamitaTrustindex verifies that the original source of the review is Google.
I was so stressed out though, but Chris and his team are well organised, skilled, well mannered and very friendly. Anytime I called him, he replied. His main focus on client’s satisfaction. He is a very sincere person. Thanks very much to CPR24.
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