Renotown Inc.
“When I mentioned we had a dinner party in two weeks, Gabriel expedited both the demo and repairs to meet our deadline — and the work was done really well.”
Best Mold Inspection & Testing in Concord, ON
15 companies listed · 4 in Concord · 8 open 24/7 · 13 open weekends · 14 rated 4.5+
Data verified October 18, 2026
Mag Services Inc.
“They were friendly, professional, and did a great job painting my door”
Allmax Home Inspection
“The inspection uncovered an extensive list of items that needed attention, but Alan was reassuring and helped me understand that the issues could be remedied.”
Winmar Property Restoration Specialists
“I recently have done a kitchen renovation with Winmar and their work and customer service are outstanding!”
United Water Restoration Group
“They quickly assessed the situation, removed damaged portions of walls, bulkheads, and ceilings where necessary, pulled back carpeting, and efficiently set up drying equipment and dehumidifiers to prevent further damage.”
Desa Contracting and Restoration
“The guys did a great job fixing the water damage and restoring the areas and painting it back up.”
Listed for homeowners in and around Concord, ON, 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: Concord, ON
4 of the 15 companies we list are based in Concord; the other 11 serve Concord from towns including Woodbridge (5 km), North York (8 km) and Vaughan (3 km). The companies on this page are rated from 4.4 to 5.0 across 2,042 reviews; 12 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (95%), responsiveness (86%) and quality (81%). 8 are open around the clock; 12 are open on Saturdays and 11 on Sundays. The services the companies on this page list most often on their websites are asbestos abatement (3), fire and smoke damage restoration (2), home renovation (2), infrared / thermal imaging (2) and mold removal (2). 3 list staff certifications (IICRC and InterNACHI). Domain records put 3 websites of the companies on this page at ten or more years old; the oldest dates from 2008. 9 offer emergency call-outs; 1 offers financing or payment plans; 7 give free estimates and 2 are family- or locally-owned. 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.
Solex Group Professional Home Inspection
“My client and I were very satisfied with your professionalism and attention to detail.”
TRU Inspections
“Anton seems passionate about his work and his inspection report was great.”
Pro Max Restoration
“What truly stood out was how the Pro Max Restoration took care of everything - from managing the damage to coordinating with the insurance company.”
Prime Home Services Inc.
“I recently worked with Prime Home Services for a pre-listing inspection, and they did an excellent job.”
Air Quality Canada
“He was very professional, gave good insight in where to test or not test and why.”
AMC Environmental Corp
“Junior was extremely knowledgeable and took the time to explain the process and educate us when he came to collect the sample.”
Servicemaster Restore
“Scott handled my repairs efficiently and professionally and was always considerate and courteous in his dealings with me.”
Inch By Inch Inspections
“I was very satisfied with the degree of knowledge and promptness of the service and reporting.”
Blue Lion Property Inspections Inc.
“Max was excellent at explaining everything he was doing while going through the inspection and answered all of our questions in language appropriate to our level of knowledge on the topic.”
Why these companies made our list
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