17 October 2025

Homeowners often worry about mold removal costs at the time they find fungal growth in their homes. Certified mold remediation typically costs between $1,200 and $3,750, with most people paying around $2,300 for standard treatments. The final price can change substantially based on the problem’s size. Small areas might set you back $500 to $1,500. Extensive whole-house remediation could reach $10,000 to $30,000. Toronto residents usually pay more for mold remediation. Higher costs stem from labor, equipment, and strict local regulations. A simple job in the city starts at a few hundred dollars. Large infestations could cost several thousand dollars. The mold problem’s severity plays a crucial role in the final price. Minor issues in small areas cost $1,500 to $2,500. Moderate problems affecting multiple rooms range from $2,500 to $7,500. Severe infestations might cost anywhere from $7,000 to $15,000 or more. This blog explores the mold removal costs in Toronto for 2025. You’ll learn about pricing factors, costs by area and mold type, and whether DIY remediation suits your needs. Understanding Mold Removal Costs in Toronto The cost of mold removal in Toronto depends on several factors. Property owners should know these before hiring professionals. A clear understanding of these costs will help you plan your budget and select the right cleanup method. What affects the cost of mold removal? The price of mold remediation depends on these significant factors: Structural damage from mold can add rebuilding costs after removal. This is a significant deal as it means that early detection helps control costs. How much does mold remediation cost in 2025? Toronto homeowners pay between CAD 4.88 to CAD 5.57 per square foot to get rid of mold professionally in 2025. Here’s the full picture: The average mold removal job costs CAD 3,483. Small surface cleanups cost CAD 696 to CAD 2,090, especially in bathrooms. Bigger projects in basements or attics cost more than CAD 6,966. Location-specific costs vary. Basement mold removal runs CAD 2,786 to CAD 13,933. Attic remediation ranges from CAD 2,090 to CAD 10,450. Black mold removal costs CAD 1,393 to CAD 6,270 because of health risks. Typical mold inspection cost in Toronto A proper inspection shows how bad the problem is. Toronto homes up to 2,000 sq ft usually pay CAD 487 to CAD 766 for standard mold inspection. This price includes visual checks, moisture testing, and two air samples. Extra air or surface samples cost CAD 111 to CAD 167 each. You’ll pay CAD 278 to CAD 557 to check if the removal worked. Professional mold testing with lab testing costs about CAD 627. A detailed inspection report costs CAD 348 and shows the problem’s scope and recommended cleanup steps. These cost factors help you prepare financially and make smart decisions about mold problems in your Toronto property. Cost Breakdown by Area and Mold Type Your mold remediation costs in Toronto will vary based on where the problem is located. A good grasp of these location-specific costs helps you budget the right amount to fix your mold problem. Attic mold removal cost Fixing mold in Toronto attics usually costs between CAD 2,090 to CAD 10,450. Simple cases run from CAD 1,393 to CAD 5,573. The price range is wide because homeowners often discover mold in attic removal cost after it has spread extensively. Small patches (under 10 sq ft) might cost CAD 697–CAD 2,090, while bigger problems can run over CAD 6,967. Basement mold removal cost Getting rid of basement mold typically costs CAD 2,787 to CAD 13,934. Basements are prime spots for moisture problems, so cleanup can get expensive. Small corner treatments start at CAD 697. However, fixing an entire basement can cost up to CAD 20,900. The price depends on the damage and how easy it is to reach. Bathroom and crawl space costs Bathroom mold cleanup stays relatively cheap at CAD 697 to CAD 2,787. Crawl space cleanup runs between CAD 697 to CAD 2,090 for simple jobs, but tough cases might hit CAD 8,360. Extra protection through crawl space encapsulation costs CAD 4,180 to CAD 11,147. Black mold removal cost Black mold (Stachybotrys chartarum) needs special treatment and costs CAD 1,393 to CAD 6,270. This toxic variety puts your health at risk and needs careful handling. Serious black mold problems can push costs up to CAD 9,754 or higher. Cost of mold remediation by square footage Toronto cleanup companies usually charge CAD 4.88 to CAD 5.57 per square foot for standard removal. Full service cleanup ranges from CAD 13.93 to CAD 41.80 per square foot depending on how complex the job is. A 50 square foot area costs CAD 697–CAD 1,742, while a 1,000 square foot project runs from CAD 13,934–CAD 34,834. DIY vs Professional Mold Removal The choice between DIY mold removal and professional help depends on several factors. Toronto homeowners can save money and avoid health risks by knowing which approach works best. When is DIY mold removal safe? You can safely remove mold yourself in areas smaller than 10 square feet (about a 3 ft. by 3 ft. patch). This works best on non-porous surfaces like glass, tiles, or metal. Simple cleaning solutions like borax mixed with hot water or vinegar can tackle small jobs. People without existing health conditions can handle minor mold issues safely. Risks of DIY mold treatment DIY mold treatment might save money, but it comes with real risks. Most homeowners don’t have the right equipment or containment methods. This can spread mold spores throughout the house. On top of that, poor handling can cause health problems like breathing issues, skin rashes, and chronic fatigue. Basic cleaning often misses hidden mold or the original moisture source, which leads to recurring problems. People without experience can damage their home’s structure during removal. Benefits of hiring a certified professional Certified mold remediation gives you a complete mold removal solution with clear advantages. Certified technicians get a full picture using specialized equipment like moisture meters and thermal imaging to find hidden mold. These experts use industry-standard containment methods including negative air pressure and HEPA filtration to stop cross-contamination. They also fix why it happens with moisture, which stops future mold growth. How much does it cost to remove mold professionally? Professional mold removal in Canada usually costs between CAD 2,786.72 and CAD 8,360.16. Small jobs might run from CAD 696.68 to CAD 2,090.04, while extensive infestations can