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Home Inspectors
- Information
- Report
- Quality
“We were so impressed with the initial inspection of our new home we had them back to inspect it again prior to submitting our 1-year list to the builder.”
Best Mould Inspection & Testing near Nepean, ON
3 of these companies are based in Nepean; the others serve Nepean from towns including Ottawa, Gatineau, QC and Carleton Place.
7 open 24/7 · 22 open weekends · 21 rated 4.5+ · 3 show a licence
Data verified October 18, 2026
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RWH Inspection Services
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All Over Home Inspection Inc
“It was an older house and there were concerns I had going in, and he was able to confirm which issues had been resolved and those that needed immediate resolution.”
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Defsco Inspecteur en Bâtiment Agréé et Thermographe
- Purchase
- Trust
- Questions
“Very quick to offer services, on time, efficient, detailed, explained very well, provided suggestions without influencing our decision to buy or not as that would depend on our budget.”
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Ottawa Insulations
- Work
- Competitive
- Questions
“Kevin at Ottawa Insulation not only got back to me within the window posted on the site but also answered my questions and visited my home to provide a quote all very quickly.”
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Inspection Outaouais
- Property
- Trust
- Quality
“I needed an inspection for the home I was buying and although not familiar with Gatineau, did not want a referral from my Agent as I felt there may be conflict of interest.”
Listed for homeowners in and around Nepean, 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: Nepean, ON
23 of the 24 companies on this page have a rating, from 4.3 to 5.0 across 1,116 reviews; 7 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (90%), quality (79%) and responsiveness (76%). The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "estimates". 7 are open around the clock; 22 are open on Saturdays and 18 on Sundays. 3 show a licence on their websites and 6 list staff certifications (ASHI, IICRC and InterNACHI). Domain records put 9 websites of the companies on this page at ten or more years old; the oldest dates from 1997. 7 offer emergency call-outs; 1 offers financing or payment plans; 5 give free estimates and 1 lists coupons or special offers. We have a website on file for 23 of the companies on this page; 18 publish a contact page; 16 list a public email and 3 take bookings online. 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.
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Firestone Restoration
- Assessment
- Leak
- Morning
“The professionalism extended to Patty and Cameron who not only tackled the job quickly, but also shared details about everything they did along the way.”
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Artech Home Inspection
- Schedule
- Expertise
- Buyer
“In the end, he provided us with a complete written report that included all the necessary information, images, and areas of concern, on the same day of the inspection.”
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Mold Busters Ottawa
- Explanation
- Quote
- Honesty
“The technicians who came to do the removal went above and beyond and identified some places where water might be getting in and shared some advice about addressing it.”
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Property Inspection Network Ltd
- Learned
- Fireplace
- Confident
“Alain Charron did an excellent job going over our prospective new home and replied promptly for questions we had to remediate issues identified in the inspection.”
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Barrhaven Home Inspectors Inc.
- Maintenance
- Element
- Floor
“We were recently looking to buy an older property (late 1980's) and so we decided to have an inspection, just to be safe, as various 'renovations' had taken place over the last 10-15 years.”
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Parent Inspections Inc.
- Observations
- Confidence
- Information
“It's crystal clear that he has a genuine concern for his clients and is always ready to provide the essential guidance needed to achieve the best possible results.”
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Focus Home Inspections
- Professional
“I strongly recommend anyone to use Mel for home inspection services, he keeps things entertaining throughout the entire process while offering an educational experience, I learn a tremendous amount during these home inspections.”
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A to Z Home Inspections
- Report
- Price
- Photos
“He walked through the entire property with us and took dozens of pictures while explaining to us what he was looking for and pointing out potential improvements.”
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Oies
- Samples
- Basement
- Report
“Julio knows his stuff and can provide you with excellent advice on how to handle and dispose of asbestos or other substances if some are found, although in my case, it wasn't needed as I had an abatement done earlier.”
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Ottawa Extreme Clean
- Sell
- Hoarding
- Smell
“In June 2024 following the departure of tenants in a rental property I own and in preparation to sell the property I contracted Ottawa Extreme Clean to get rid of a heavy cigarette smoke smell and cat urine smells throughout the property.”
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Ottawa Mold Removal
“The basement remediation encompassed moving out affected objects, sealing off the area, apply negative air pressure, runair scrubbers with HEPA filters, complete demolition of suspect building materials, disposal, duct cleaning, anti microbial foggin...”
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Homepro Inspections
- Confident
- Happy
- Binder
“He was respectful of the builder of our home and the builder commented that Mike changed his view of home inspectors and would welcome him again in the future.”
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Winmar Property Restoration Specialists
- Professional
“After I had a noticed I had a potential leak in my foundation, I started searching for a service provider that could not only take care of the leak, but could also restore my basement, including the carpet and drywall, that was ruined as a result of ...”
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C.m.r.s Certified Mold Restoration Services
- Mould
- Price
- Demolition
“The first one provided a very high budget and suggested demolition, while Iman was very fast for visiting my home and without demolition resolved my problem for the third part of the estimate of the other one.”
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Concept Multi-Inspection
“Excellent service, fast and efficient, I highly recommend them!”
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Raymond Sabourin Inspecteur en Bâtiment
“Raymond is a certified and insured inspector, member of the AIBQ.”
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Peter Weeks Home Inspections
“This is very important and it shows that he cares; both during the visit and post-sale, he is easy to talk to, easy to contact and he really wants to be able to give the information you need and help our where he can.”
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Inspected by 42
“The report that we received after the inspection was probably the best we've seen so far - not just the list of things to improve, but lots of detailed photos and useful information to resolve the said issues.”
Mold Inspection & Testing Services in Nepean, 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 456 cost profiles
Why these companies made our list
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