Best Mold Inspection & Testing near Dundas, ON

None of these companies is based in Dundas; they work from towns including Hamilton, Burlington and Oakville.

24 companies listed · 11 open 24/7 · 19 open weekends · 22 rated 4.5+ · 2 show a licence

Data verified October 16, 2026

Home Inspection Perfection

Home Inspection Perfection

(14)
  • Professional
  • Information
“He provided background information about regular home maintenance as well as advice on what we should address immediately, and some long terms things to keep in mind once we move in.”
Free Initial Consultation
Transparent Fees & Pricing
Waterdown, ON
i
Elemental Restoration

Elemental Restoration

(50)
  • Job
  • Basement
  • Clean
“Ended up getting a call back from Neal and after a very good conversation, he directed me in the right way in doing it myself to test for now (small localized areas, not full attic work).”
Free Initial Consultation
Emergency Services
Brantford, ON
i
Metro Contract Management Inc.

Metro Contract Management Inc.

(50)
  • Basement
  • House
  • Worry
“From the level of transparency when quoting the work, and informing me of any changes out of scope as they came up - to the ease in which I would process my payment, I would recommend look no further than Metro.”
Family Business
Offers Financing Options
Hamilton, ON
i
Absolute Mold Remediation Ltd.

Absolute Mold Remediation Ltd.

(49)
  • Basement
  • Job
  • Chemicals
“They went above and beyond by providing advice on how to prevent the problem in future and even pointed out a few structural issues that I should have looked at by a contractor that I never would have noticed.”
Family Business
In Business Since 2014
Burlington, ON
i
Alesca Restoration Inc

Alesca Restoration Inc

(42)
  • Team
  • Mold
  • Basement
“The last thing I expected when our house developed a mold issue was any type of happy experience during any of it, but that was what Alesca provided after they had finished the job and we came to see how they had done.”
Emergency Services
In Business Since 2019
Hamilton, ON
i
Restoranation Environmental Services Inc.

Restoranation Environmental Services Inc.

(36)
  • Job
  • Mold
  • Attention
“..he spoke ONLY from a factual aspect of the reality of my situation and how their company would deal with such a situation and how important certain things are to their company in dealing with all and to me the customer”
Family Business
Emergency Services
Free Initial Consultation
In Business Since 2019
Hamilton, ON
i

Listed for homeowners in and around Dundas, ON, these 24 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: Dundas, ON

The 24 companies on this page are rated from 4.0 to 5.0 across 2,087 reviews; 13 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), responsiveness (84%) and quality (83%). The topics that come up most in reviews of the companies on this page are "knowledge", "cleanliness" and "price". 11 are open around the clock; 19 are open on Saturdays and 17 on Sundays. The services the companies on this page list most often on their websites are mold removal (3), asbestos abatement (2), commercial inspections (2), fire and smoke damage (2) and general contracting (2). 2 show a licence on their websites and 3 list staff certifications (WETT and IICRC). Domain records put 7 websites of the companies on this page at ten or more years old; the oldest dates from 1998. 12 offer emergency call-outs; 1 offers financing or payment plans; 10 give free estimates; 5 are family- or locally-owned and 1 lists coupons or special offers. We count these figures across the companies on this page; 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 24 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.

Inspection Services Group

Inspection Services Group

(50)
  • Punctual
  • Job
  • Patient
“He performed an in depth inspection of our new home and provided comprehensive explanations on his findings, along with times to address each issue, whether notable or minor in nature.”
WETT Certified
Emergency Services
In Business Since 2018
Burlington, ON
i
Power Vac Services Hamilton & Power Environmental Management

Power Vac Services Hamilton & Power Environmental Management

(50)
  • Technicians
  • Asbestos
  • Cost
“With the pressure of supporting other work I was having done on the house, she was able to dispatch someone to have a look next day, and do a complete repair 2 days later.”
Licensed
Hamilton, ON
i
Winmar Property Restoration Specialists

Winmar Property Restoration Specialists

(34)
“He had his emergency staff to our home to remove the damaged drywall, insulation and set up dehumidifiers to start drying the studs in the walls with concern for our families health.”
Emergency Services
Free Initial Consultation
In Business Since 2016
Oakville, ON
i
Onestop Shop Inspections

Onestop Shop Inspections

(48)
  • Knowledge
  • Questions
  • Property
“Today we had a home inspection and John and Andrew were extremely thorough they took their time they gave us great advice and recommendations they're really good honest man.”
Emergency Services
WETT Certified
Puslinch, ON
i
Perfect Restoration

Perfect Restoration

(32)
  • Clean
  • Team
  • Sewage
“In a matter of days (within 2 weeks, just before Christmas no less) the cause was identified and addressed, damaged material removed, the impacted area completely dried out using special equipment, and our basement restored to as good as new.”
Emergency Services
Free Initial Consultation
In Business Since 2021
Ancaster, ON
i
4sight Home Inspections

4sight Home Inspections

(46)
  • Thermal Imaging
  • Education
  • Scanner
“I just called 4Sight Home Inspections and spoke to Michael, he explained some things regarding what I called about and advised me that I did not need a home inspection based on our current needs.”
Transparent Fees & Pricing
In Business Since 2012
Mississauga, ON
i
Paul's Restorations

Paul's Restorations

(31)
  • Quality
  • Team
  • Property
“I've had the opportunity to work with Paul's Restorations and have found both the office staff and service crew to be very polite, professional and extremely efficient.”
Family Business
IICRC Certified
Emergency Services
In Business Since 1998
Burlington, ON
i
Rankin Home Inspection

Rankin Home Inspection

(38)
  • Knowledge
  • Questions
  • Understand
“If there was a 10 star rating I would select that, Bryce was wonderful with answering questions, explaining things and his overall support during the process and allowed me the opportunity to make sound decisions.”
Transparent Fees & Pricing
In Business Since 2012
Hamilton, ON
i
Rock Solid Home Inspections Inc.

Rock Solid Home Inspections Inc.

(50)
  • Learn
  • Confidence
  • Home Maintenance
“He offers information and suggestions, and involves the buyer in the conversation to help them understand the issues and what they can expect for future home repairs, issues and maintenance.”
Hamilton, ON
i
Al-Care DKI Water Damage Restoration- Hamilton

Al-Care DKI Water Damage Restoration- Hamilton

(50)
  • Basement
  • Clean
  • Ceiling
“⭐️⭐️⭐️⭐️⭐️ the ladies documented and meticulously logged my contents to salvage or claim as as a loss, and were so attentive and caring with my items.”
20+ Years Experience
Waterdown, ON
i
Home Suite Home Inspections

Home Suite Home Inspections

(50)
  • Knowledge
  • Questions
  • Job
“They were very thorough in their home inspection and provided a detailed report with pictures which is extremely useful to make the critial decision about buying property and in longer term to maintain it.”
Serving Dundas Area
i
Verify Air Quality Test

Verify Air Quality Test

(50)
  • Information
  • Results
  • Knowledge
“We met Frank about five years ago when he did an air quality test on a condo that we where looking to purchase, Frank found elevated mould levels and we did not go thru with the sale.”
25+ Years Experience
Oakville, ON
i
Healthy Environmental

Healthy Environmental

(29)
  • Company
  • Professional
  • Real Estate Agent
“We were very satisfied with the amount of professionalism and honesty displayed from himself and his team and would recommend their services to everyone.”
Free Initial Consultation
Oakville, ON
i
Insulation Hamilton

Insulation Hamilton

(11)
  • Fair
  • Spray Foam
  • Attic
“Very pleased with the attic insulation removal and installation as the old stuff was all blown in and needed to go, thankfully their clean up is top notch.”
Free Initial Consultation
Licensed
Locally Owned & Operated
Emergency Services
Hamilton, ON
i
Silver Lining Restoration

Silver Lining Restoration

(16)
  • Home
  • Painting
  • Money
“I had a serious flood and Radu and his team got to work and restored my entire condo by pulling up floor, installing new floors and painting the whole condo.”
Free Initial Consultation
Emergency Services
Burlington, ON
i
Caspi Service Group

Caspi Service Group

(9)
  • Mold
  • Insurance
“Obviously everyone feared a massive issue which could be in the tens of thousands to repair, but Nik was able to trace the water flow back to a small hole in our vapour-barrier, resulting in a quote to repair which was less than 10% what our lawyers ...”
Emergency Services
Free Initial Consultation
In Business Since 2019
Stoney Creek, ON
i
The Home Inspector Inc.

The Home Inspector Inc.

(6)
  • Knowledge
  • Report
  • Sale
“Carefully explains and simplifies every detail about each home to my client, makes recommendations on improvements, provides a full report in lightening speed.”
Emergency Services
In Business Since 2000
Hamilton, ON
i
SLC Environmental Inc

SLC Environmental Inc

Free Initial Consultation
In Business Since 2013
Burlington, ON
i

Mold Inspection & Testing Services in Dundas, ON Cost Estimates

Minimum cost
$166
Maximum cost
$3040
National Average
$748
Avg Per Hour Rates
$112
$334
$1165
Average price range is based on 453 cost profiles
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Average Cost $748
Minimum cost $166
Maximum cost $3040
Avg Per Hour Rates $112

Average range $334 to $1165 is based on 453 cost profiles.

Why these companies made our list

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