Helder Home Inspections
“He is professional, and knowledgeable, he explained everything to me and gave me his advice on what is needed to be done”
Best Mold Inspection & Testing near Kingston, ON
3 of these companies are based in Kingston; the others serve Kingston from towns including Gananoque (35 km), Athens (66 km) and Augusta (90 km).
1 open 24/7 · 8 open weekends · 7 rated 4.5+
Data verified October 16, 2026
We are still growing
There are too few quality options within 25 km, so we have expanded area of coverage to up to 100 km from you. This includes Kingston and several other cities.
Winmar Property Restoration Specialists
“And I have worked in trades , very fair prices and flexible scheduling, love these guys !!”
Dominion Home Inspectors
“Beyond just the technical expertise, Jason and Luke were friendly, approachable, and went above and beyond to make sure I felt informed and confident in my decision-making process.”
Before You Buy Home Inspections
“He was wonderfully thorough and happy to explain anything to us as first time buyers.”
Grayspec Home Inspection Services
“Jason and Tyler were extremely thorough in their inspection and did a very good job relaying what they found, the potential risks, and their recommendations”
Armada Inspection Services Ltd.
“Richard is a wonderful person and helped so much to get us a last minute report.”
Listed for homeowners in and around Kingston, ON, these 9 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: Kingston, ON
The 9 companies on this page are rated from 4.1 to 5.0 across 436 reviews; 3 have 50 or more reviews and 7 are rated 4.5 or higher. 1 is open around the clock; 8 are open on Saturdays and 5 on Sundays. 2 list staff certifications (InterNACHI and WETT). Domain records put 4 websites of the companies on this page at ten or more years old; the oldest dates from 2011. 1 offers emergency call-outs and 2 give free estimates. We have a website on file for 8 of the companies on this page; 8 publish a contact page; 8 list a public email and 2 take bookings online. 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 9 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.
All Out Home Inspection
“I was already paying too much for an older home and after TJ did my property inspection I did not go forward with the purchase.”
Russell Certified Home Inspections Kemptville
“He took the time to explain everything clearly, making sure I understood both the major items and the smaller details.”
Ottawa Contaminant Solutions
“Geoff kindly helped us navigate lead paint dust in our home which we were very worried about with a small baby.”
Why these companies made our list
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