Restoranation Environmental Services Inc.
“He still assessed my home and gave me a quote for the initial service I requested, but insisted on the air quality test before anything else.”
Best Mold Inspection & Testing in Hamilton, ON
15 companies listed · 11 in Hamilton · 5 open 24/7 · 13 open weekends · all 15 rated 4.5+
Data verified October 18, 2026
Alesca Restoration
“The guys were on time, answered all my questions , removed every scrap of damaged material, and left me with a clean smelling and healthier house”
Metro Contract Management Inc.
“His team removed asbestos from our basement in the time frame they said, they were pleasant to deal with and they left everything so clean!”
Rankin Inspection
“I have had quite a few houses over the years and thought I was pretty good at inspecting them, but Bryce's experience and knowledge shined brightly which earned my respect and praise.”
Vaulted Home Inspections
“We've used Vaulted for two houses now and we are extremely impressed.”
Power Vac Services Hamilton & Power Environmental Management
“Norine, John and Mike were knowledgeable, courteous, and professional in all their interactions and the cost was reasonable.”
Listed for homeowners in and around Hamilton, 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: Hamilton, ON
11 of the 15 companies we list are based in Hamilton; the other 4 serve Hamilton from Burlington (9 km) and Waterdown (9 km). The companies on this page are rated from 4.7 to 5.0 across 1,907 reviews; 9 have 50 or more reviews. The topics that come up most in reviews of the companies on this page are "knowledge", "professional" and "estimates". 5 are open around the clock; 13 are open on Saturdays and 11 on Sundays. 1 shows a licence on its website and 1 lists staff certifications (WETT). 4 have ten or more years of experience, the longest 26 years. 5 offer emergency call-outs; 1 offers financing or payment plans; 3 give free estimates; 3 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 14 of the companies on this page; 12 publish a contact page; 10 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 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.
The Home Inspector Inc.
“We were very satisfied with the report and the value he provided by offering tips to make our home more efficient.”
Rock Solid Home Inspections Inc.
“I am a senior and I have dealt with many home inspectors, but I found Kyle to be the BEST yet!”
Servpro
“When our basement flooded, they responded right away and made what could've been a terrible experience relatively painless and stress free.”
House Inspection Group
“Best of all, his detailed report, including pictures, gave me the evidence I needed to negotiate a $10,000 discount due to roofing problems.”
Inspection Haus
“He provided fantastic service, he is truly knowledgable and he went the extra mile to make sure he didnt miss anything.”
Castleview Home Inspection Inc.
“We were honestly blown away by how valuable the experience was, and we will be recommending Mike to everyone we know!”
Silver Lining Restoration
“They have completed a job in our unit in our absence and I couldn't have asked for more in terms of effectiveness, honesty, and excellency.”
Home Inspection Perfection
“Always professional, knowledgeable, and takes the time to ensure that every concern is explained in simple terms and completely understood.”
Inspection Services Group
“James performed a thorough inspection and explained a summary about what needed attention along with a brief summary of what solutions could be applied.”
Why these companies made our list
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