Defsco Inspecteur en Bâtiment Agréé et Thermographe
“The inspector does meticulous work, in accordance with the rules of the art and with the aim of popularizing technical terminology.”
Best Mold Inspection & Testing in Gatineau, QC
15 companies listed · 7 in Gatineau · 5 open 24/7 · 12 open weekends · 13 rated 4.5+
Data verified October 18, 2026
Inspection Outaouais
“During the inspection, he gave us a lot of advice regarding the maintenance of the property in the years to come and also informed us exhaustively of the details that caught his attention, among other things.”
Focus Home Inspections
“As first time home buyers, Mel did an amazing job explaining the ins and outs of a home and what to look for.”
Concept Multi-Inspection
“We had good service with Martin, everything was well done and professional.”
Raymond Sabourin Inspecteur en Bâtiment
“He checked everything, even the crawl space and saved me from making a bad purchase.”
Micro B
“If you have a water test to do, this is the place to go!”
Listed for homeowners in and around Gatineau, QC, these 15 companies test for mould and indoor air problems. Listings show what each one states about sampling, lab work and the environmental tests it offers, plus ratings and quotes from public reviews.
Area overview: Gatineau, QC
7 of the 15 companies we list are based in Gatineau; the other 8 serve Gatineau from Ottawa, ON (7 km) and Orléans, ON (8 km). The companies on this page are rated from 4.3 to 5.0 across 864 reviews; 5 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (77%) and responsiveness (68%). 5 are open around the clock; 12 are open on Saturdays and 9 on Sundays. 1 shows a licence on its website. 4 have ten or more years of experience, the longest 21 years. 5 offer emergency call-outs; 2 give free estimates and 2 list coupons or special offers. We have a website on file for 13 of the companies on this page; 10 publish a contact page and 9 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Is one opinion enough on a damp problem?
Not when the first visit ends with a large removal quote attached. You have 15 companies on this page, so getting a second diagnosis is straightforward. Ask each one what it thinks the water source is. Two independent answers that match is the strongest signal you will get.
Air Quality Testing in Ottawa
Ottawa Mold Removal -Kanata-Orleans
“Got a great qoute and they Came in removed the mold from the dry wall in my kitchen and removed the asbestos from my attic in a very timely order I'm very impressed with the work that had been done by Ottawa Mold removal -Kanata-Orleans”
Enviropure Home
“Jessica, the Scheduling Coordinator, was extremely helpful in putting together a package that addressed our cleaning priorities and was most accommodating when working around our schedules to book the crew in to do the job.”
Foundation & Up Home Inspections
“While he looked around the home, he also educated us on how to take care of our home (for example, what to check and change monthly/annually).”
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Property Inspection Network Ltd
“His logical analysis of all components of the building he inspects allows the client to be confident in making a decision about purchasing the property.”
Oies
“OIES answered my phones calls promptly and collected the testing samples and ran the tests for asbestos in a responsible and reliable manner,.”
Mico Restoration
“Excellent response at all levels of service,phone calls and workmanship.”
Ottawa Mold Removal
“They removed all of the black mold that was in my basement after my home had a flood and it wasn't dried out in time.”
Peter Weeks Home Inspections
“This is very important and it shows that he cares; both during the visit and post-sale, he is easy to talk to, easy to contact and he really wants to be able to give the information you need and help our where he can.”
Why these companies made our list
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