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

Durham Home Inspection

Durham Home Inspection

5.0 6 reviews
“" He was an excellent communicator, very extensive in his report to us and very fast to provide a digital copy with photos.”
Insured7,000+ inspectionsFree consultationSince 2007Locally owned
701 Rossland Rd E #495
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Hm&m Home Inspection Associates

Hm&m Home Inspection Associates

5.0 1 review
“Hayden was so personable and professional in his assessment of our home.”
InsuredServes Whitby, Toronto, Peel RegionLicensedSince 2022
467 Rossland Rd E
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Eagle Home Inspection Inc.

Eagle Home Inspection Inc.

5.0 50 reviews
“Seeked Kersi's help on 2 occasions, one virtually and the other, physically on site and found him great on both occasions.”
Scarborough, ON · 25 km from Whitby
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Lighthouse Inspections Durham Region

Lighthouse Inspections Durham Region

5.0 50 reviews
“Tim made sure every finding was brought to my attention, he would explain the findings( urgent repair / can wait ).”
Responds within 24 hoursSpeaks Italian, ArabicSince 1991Family-owned
Oshawa, ON · 8 km from Whitby
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Twin Peaks Property Inspections

Twin Peaks Property Inspections

5.0 50 reviews
“Jamie was a fantastic home inspector giving us detailed and informational report on the house we purchased and would definitely recommend to friends and family!”
Oshawa, ON · 8 km from Whitby
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Air Doctors Inc

Air Doctors Inc

5.0 50 reviews
“To my house, he was not only a true professional but also a genuinely nice person to work with”
InsuredSince 2009Serves Scarborough, Markham +7
Claremont, ON · 19 km from Whitby
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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.

Key Home Inspections

Key Home Inspections

5.0 38 reviews
“This day and age I believe that getting proper information about the biggest purchase of our lives is more important that ever and I feel I always get this from Enio and Key Home Inspections”
Prices online
Scarborough, ON · 25 km from Whitby
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Walton Restoration

Walton Restoration

4.4 27 reviews
“Jordan, staff and sub-trades went out of their way to repair the damage to my floor and bedroom wall after a flood from the condo unit above me.”
40+ yearsOpen 24 hours
Oshawa, ON · 8 km from Whitby
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Empire Home Inspections

Empire Home Inspections

5.0 50 reviews
“Joe Smith's work was thorough, he was very patient and helpful answering questions, and the final report is very helpful.”
Satisfaction guaranteeServes Durham Region, Northumberland +3
12 km from Whitby
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Classic Home Inspections Inc.

Classic Home Inspections Inc.

4.5 37 reviews
“Brent did an assessment of a commercial property for our business, and we found him extremely friendly and courteous.”
Scarborough, ON · 25 km from Whitby
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Qualityspec Home Inspection

Qualityspec Home Inspection

5.0 36 reviews
“He explained some of the common issues which every buyer should be aware of before you firm the offer.”
Free estimatesServes GTA
Ajax, ON · 8 km from Whitby
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Canspec Building Services

Canspec Building Services

5.0 3 reviews
“Known James with Canspec could be about 20-25 years find him across the board above average knowledgeable in his field.”
Satisfaction guaranteeServes Southern Ontario, Central Ontario +4Since 2001
Ajax, ON · 8 km from Whitby
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Why these companies made our list

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