Best Mold Inspection & Testing near Whitby, ON
2 of these companies are based in Whitby; the others serve Whitby from towns including Oshawa (8 km), Scarborough (25 km) and Ajax (8 km).
1 open 24/7 · 11 open weekends · 11 rated 4.5+ · 1 shows a licence
Data verified October 21, 2026
Hm&m Home Inspection Associates
Eagle Home Inspection Inc.
Lighthouse Inspections Durham Region
Twin Peaks Property Inspections
Air Doctors Inc
Listed for homeowners in and around Whitby, ON, these 12 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: Whitby, ON
The 12 companies on this page are rated from 4.4 to 5.0 across 810 reviews; 5 have 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (88%), quality (82%) and responsiveness (78%). The topics that come up most in reviews of the companies on this page are "informative", "knowledge" and "price". 1 is open around the clock; 11 are open on Saturdays and 10 on Sundays. 1 shows a licence on its website and 1 lists staff certifications (InterNACHI). 5 have ten or more years of experience, the longest 26 years. 1 offers emergency call-outs; 1 gives free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 12 of the companies on this page; 9 publish a contact page; 9 list a public email and 3 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 12 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.



