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Montreal Mold Testing Services

Precision and Expertise You Can Trust

Axxonlab: Where Cutting-Edge Science
Meets Exceptional Service

As an innovative laboratory specializing in the analysis of regulated materials since 2011,
we’re proud to extend our mold testing expertise directly to your doorstep.
With unparalleled practical experience both in the field and behind the microscope,
we offer a uniquely scientific approach to mold testing in Montreal that’s second to none.
Scientific Precision
With over a decade of experience, Axxonlab provides precise mold testing with impartial and accurate assessments.
Versatile Expertise
Axxonlab excels in mold testing for residential, commercial, and industrial projects, confidently handling any scale with proven experience.
Advanced Insights & Consultation
Our certified microbiologists deliver detailed mold analysis and recommendations.
Fast and Reliable Results
We offer prompt mold assessments with same or next-day bookings and detailed reports within 24 hours.
Client-Focused Approach
Receive dedicated, professional, bilingual support from real people at every stage. We never outsource or use AI for client services.
Comprehensive Sampling and Analysis
Our lab uses advanced techniques to ensure accurate mold detection, providing reliable results.

The Axxonlab Mission

Our Montreal mold testing professionals are dedicated to providing unbiased, data-driven insights into your indoor environment.

Our lab-approved mold testing process ensures the capture of high-quality data using state-of-the-art technology and modern assessment tools. With lightning-fast turnaround times, you won’t be left waiting for your comprehensive report. We present the facts accurately and impartially, guiding you through every line of our microbiological report so you can confidently address any mold issues.

Our microscopic approach and high standards are applied to every residential, commercial, or industrial mold assessment throughout the greater Montreal area.

Discover our comprehensive mold testing services, meticulously designed to deliver precise testing, accurate analyses, and unbiased reports. We strictly adhere to the scientific process and our passion for helping people.

See why thousands trust Axxonlab every year for mold testing services in Montreal.

Montreal Area

Our Montreal mold testing services are available throughout all neighborhoods on the Island of Montreal.


Island of MTL

Whether you’re in the West Island, Verdun, Plateau-Mont-Royal, Westmount, or any other part of the city, our team of local technicians are ready to assist you.

  • Pierrefonds
  • Dollard-des-Ormeaux
  • Beaconsfield
  • Kirkland
  • Senneville
  • Dorval
  • Lachine
  • Lasalle
Rive Nord / Rive Sud / Laurentides

Do we cover the South Shore? Absolutely.
Do we serve Laval? You bet.
What about the Laurentides or beyond? Of course!

We cover almost anywhere within a 2 to 3 hour radius of the Island.
If you have a postal code, chances are we go there.

Give us a call to book our Montreal mold testing professionals today.
Our Mold Testing Process
1. Booking
2. Site Visit
3. Sample Collection
4. Laboratory Analysis
5. Reporting
6. Follow-Up Support
1. Booking

1. Booking

Schedule an assessment by giving us a call to discuss your project, or let us call you by filling out our convenient form. We want to know as much as possible to provide you with the best recommendations for the services you need. Are you experiencing any health symptoms? Have there been any recent water leaks? The more we know, the better we can help.

2. Site Visit

2. Site Visit

Our lab-approved sampling technicians will visit your site and conduct a thorough assessment. They catalog every aspect of their process for your report, ensuring nothing is overlooked. Every technician is trained to identify other potential environmental hazards, such as asbestos or lead-containing paint. Use these site visits to your advantage. We are happy to share our expertise with you.

3. Sample Collection

3. Sample Collection

We collect a precise combination of air and surface samples, utilizing real-time environmental diagnostics with a variety of cutting-edge techniques and tools to gather comprehensive data. Our seasoned technicians follow industry-standard assessment methodologies and leverage their specialized laboratory training to ensure maximum accuracy with every sample collected.

4. Laboratory Analysis

4. Laboratory Analysis

Back at our state-of-the-art lab, our certified microbiologists dive into detailed analysis using advanced techniques and the most current methodologies. Our rigorous quality control program ensures that you get accurate, reliable results. It’s science at its finest—precision and accuracy you can trust.

5. Reporting

5. Reporting

Within 24 hours, you’ll receive a comprehensive, photographic report complete with microbiological data, easy-to-read insights, and unbiased recommendations. We present the facts clearly and concisely, so you can understand exactly what’s going on. No confusing jargon—just straightforward, actionable information.

6. Follow-Up Support

6. Follow-Up Support

Our commitment to you doesn’t end with the report. We provide ongoing consultation and support, connecting with you to go through every line of the report. We educate and empower you, ensuring you understand every detail and feel confident in addressing any mold issues. We’re with you every step of the way.

With over a decade of verified experience

Trusted By Montreal's Top Environmental Firms

For mold testing and analysis for residential & commercial projects

Frequently Asked Questions

01. How do I schedule a mold test in Montreal?

To schedule a mold assessment test, give us a call or fill out our contact form. We may have same or next-day availabilities!
Our dedicated, local client service coordinator will arrange a convenient time to conduct the assessment and provide you with detailed instructions to prepare for our visit.

02. Can mold testing detect hidden mold?

Absolutely! Professional, scientific mold testing can uncover hidden mold through advanced sampling and analysis techniques.
This is our specialty. In fact, most of our mold testing appointments in Montreal involve no visible signs of mold growth. Our clients often report health symptoms while at home or in the office, even when there’s no visual or olfactory evidence of mold.
Did you know mold spores are microscopic? You can’t see them with the naked eye. They float through the air and easily penetrate porous materials and small openings. At Axxonlab, we understand fungi at a cellular level and bring that expertise to every residential, commercial, or industrial mold assessment. You can trust us to give you reliable information on your indoor environment.

03. What areas in Montreal have the highest concentrations of mold?

Mold is a ubiquitous organism. It’s found almost everywhere in our environment—indoors, outdoors, in all climates, and across every neighborhood in Montreal. Its spores are typically present in the air and can thrive on a variety of surfaces, especially when moisture is present.
Contrary to popular belief, the age of the property or neighborhood doesn’t matter. Whether it’s a charming old heritage building or a sleek new condo, mold can grow anywhere if the conditions are right. All it takes are spores, an organic food source, and a moisture content.
Having analyzed thousands of air and surface samples across Montreal, Axxonlab has seen it all. Our findings? Mold doesn’t discriminate. It can make itself at home just about anywhere under conducive conditions.

04. Can your mold tests also identify asbestos in the air?

Mold and asbestos are distinct in composition, testing processes, and microscopic analysis. From a laboratory perspective, different analytical methods, sampling media, and air pump flow rates are required for each. Unfortunately, there is no “catch-all” testing service that identifies all contaminants in the air. Each indoor environmental contaminant requires its own sampling process and approach. At Axxonlab, we can perform both mold and asbestos testing for residential, commercial, and industrial projects throughout Montreal. Call us today to discuss your concerns and let us guide you on the best way to obtain the most accurate data possible

05. Do I really need a professional to test for mold in Montreal?

Think of it like this: if you are experiencing adverse health symptoms, would you prefer getting a diagnosis from Web-MD/Google or by a trained medical professional after undertaking various tests to conclusively determine your condition? If you chose the latter, we agree!
A mold assessment conducted by trained, experienced indoor environmental professionals can accurately identify the presence, type and concentrations of mold in your property, providing you with detailed insights to better determine a course of action. With Axxonlab, our mold testing services provide conclusions based on facts. These facts are verified through a robust analytical process, backed by over a decade of practical experience.

06. Can your mold testing reports help me if when I go to court in Montreal?

Axxonlab is a reputable analytical firm, with several team members recognized as expert court witnesses for indoor environmental cases. Every aspect of our mold testing service, including the report, is designed with this potential variable in mind. Our team is highly trained. Our equipment is impeccably maintained, and regularly calibrated. Since we are not a decontamination company, there are no perceived conflicts of interest with our assessments. We are well prepared, in advance, to present our findings before any court, any time. 

07. How can I tell if It's Mold or Dust?

While visible mold can sometimes be identified by its color and texture, distinguishing between mold and dust can be tricky without professional testing. Mold can come in various colors like black, gray, or white, and often looks powdery, similar to fine dust particles. Dust itself can even be a food source for mold, making it a double trouble scenario. In our lab, we frequently find mold in dust samples from indoor spaces.
A common misidentification culprit, aside from dust, is efflorescence—a chalky deposit left on masonry after moisture evaporates. It can look a lot like mold and even grow inches thick. Its root cause is similar to mold growth: moisture.
Professional mold testing by a trained environmental sampling technician is the most reliable way to confirm or deny the presence of mold, determine the conditions conducive to mold growth, and help formulate a protocol for removal and prevention.

08. Is my landlord responsible for mold in my apartment?

The city of Montreal has clearly defined regulations pertaining to the responsibilities of both landlords and tenants. Montreal’s by-law concerning the sanitation and maintenance of dwelling units (03-096) has well-defined stipulations regarding maintenance and sanitation of units. For example, Chapter IV, #25 states: “No building or dwelling unit may constitute a public health or an occupant and public safety hazard because of the use that is made of it or the condition it is in. The following are prohibited and must be eliminated: (9) presence of vermin, rodents, insects or visible molds, and conditions favoring their proliferation.”

For over a decade, Axxonlab has been providing unbiased testing and analytical services for tenants and landlords. In our experience, every case is unique. The source of a mold problem within a dwelling could be the inadvertent result of a tenant’s habits, or it could be the result of building envelope issues outside of their control. Having an independent expert assess and report on what is truly occurring is the first step in determining who is responsible, and more importantly, how to restore the environment to a safe state.

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