Email Us: help@moldassist.ca
Got a Mold Problem? Call 866-916-4677
Emergency Services 24 Hrs - 7 Days/Week
IICRC-Certified • Lab-Analyzed Results • Same-Week Appointments • Clearance Certificates Issued
At Mold Assist, we provide accurate, scientific indoor air quality (IAQ) testing for homes, condos, offices, schools, and commercial properties across Toronto and the Greater Toronto Area.
Our testing identifies hidden mold spores, VOCs, allergens, bacteria, particulate matter, and other invisible contaminants so you can breathe easier and protect your family or employees.
Our inspectors are fully certified by the Institute of Inspection, Cleaning and Restoration Certification.
All samples are analyzed in third-party AIHA-accredited laboratories – no guesswork.
Standard results in 3–5 business days. Rush 24–48 hour options available.
Post-remediation verification testing with official clearance reports accepted by insurance and real estate.
| Pollutant | Sources | Potential Health Effects |
|---|---|---|
| Mold Spores | Leaks, high humidity, poor ventilation | Allergies, asthma attacks, respiratory issues |
| VOCs | Paints, cleaners, new furniture | Headaches, dizziness, long-term organ damage |
| Particulate Matter | Dust, smoke, construction | Lung irritation, cardiovascular problems |
| Bacteria & Viruses | Stagnant water, HVAC systems | Infections, illness outbreaks |
Starting at $399 + HST for a standard 2-sample residential air quality test (includes lab fees & full report). Custom commercial quotes available.
View detailed pricing & what’s included →
If mold is found, we credit the full testing cost toward your remediation project.
Is DIY air quality testing accurate?
No — big-box kits lack lab verification and often give false negatives.
How long does the test take?
Sampling takes 1–2 hours; results in 3–5 days (rush available).
Do you test for asbestos or radon?
Yes — we offer additional specialized testing upon request.
Book Your Indoor Air Quality Test Now – 24/7 Response
Serving Toronto • North York • Etobicoke • Scarborough • Mississauga • Vaughan • Markham • Brampton • Oakville • Burlington • Hamilton & the entire GTA
Mold Assist – IICRC-Certified Mold Removal & Indoor Air Quality Experts since 2015.
We test for mold spores, VOCs (volatile organic compounds), particulate matter (PM2.5 & PM10), carbon monoxide, carbon dioxide, formaldehyde, bacteria, allergens, and relative humidity levels – everything that affects the air you breathe daily.
The on-site visit usually takes 60–90 minutes for a typical home or condo (1–3 samples). Larger homes or commercial spaces may take up to 2 hours.
Standard lab results are ready in 3–5 business days. We offer 24–48 hour rush service for an additional fee if you need answers fast.
No. Most store-bought kits are not analyzed in accredited labs and frequently give false negatives or inaccurate spore counts. Professional testing with third-party lab verification is the only way to get legally defensible, accurate results.
Yes – every remediation project ends with post-remediation verification (PRV) air testing and an official clearance certificate that is accepted by insurance companies, real estate agents, and landlords.
In many cases yes, especially if testing is required after water damage or suspected mold. We provide detailed invoices and reports that most insurance providers accept.
Absolutely. We offer specialized radon testing (long-term & short-term), asbestos air & bulk sampling, and lead dust testing – just let us know when booking.
Residential testing starts at $399 + HST (includes 2 lab-analyzed air samples + full report). Additional samples or commercial testing priced accordingly. Exact quote provided after a 2-minute phone consultation.
No. Our testing is completely non-invasive and safe – you can stay home the entire time.
You’ll receive a detailed report with exact spore counts and recommendations. If mold is present, we credit the full testing cost toward your remediation project with Mold Assist – so the test essentially becomes free.
typically ranges from $399 to $1,200 + HST, depending on property size, number of samples, and specific contaminants tested (mold spores, VOCs, particulates, radon, etc.). At Mold Assist, we offer completely transparent flat-rate pricing with no hidden fees — everything from travel, lab fees, thermal imaging, and your detailed report is included in the quote you receive after a quick phone consultation. Our comprehensive service features IICRC-certified technicians, non-invasive air and surface sampling sent to AIHA-accredited Canadian labs, moisture mapping, and a full digital report with easy-to-understand charts, photos, and recommendations. Plus, if testing reveals mold that requires remediation and you choose Mold Assist for the removal, we credit 100% of the testing cost toward your project, making the air quality test essentially free when you move forward with us.
Call Our Certified Air Quality Experts — Available 7 Days a Week
Mold Assist values your privacy. The information you provide will be kept confidential and will never be shared with third parties.
Need urgent help with Mold damage? Fill out the form with your name, contact details, and a brief description of your situation. Our team will get back to you promptly—24/7 emergency response available across the GTA.