Although water may look clean and clear, and have no smell nor taste, such looks may be deceiving. Captured water may contain substances with potential negative impact, and may contaminate well water occasionally. Only water analysis conducted by an accredited laboratory may reveal the whole story.

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Iron ochre is a reddish, muddy deposit caused by naturally occurring bacterial activity in the iron found in the soil and groundwater. When these bacteria are highly concentrated, they create a reddish gel.

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Vermiculite is mainly used for insulating attics, and sometimes in wall insulation as well. "The potential risk to health associated with the vermiculite that was sold under the brand name Zonolite Attic Insulation and possibly other brands in Canada, has raised concerns recently. This is the ore in question; taken from the Libby Mine in Montana (before it closed in the 1990s) could contain small amounts of asbestos.

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Asbestos is a fibrous rock used in the manufacturing of several composites, including insulation. Asbestos has been used in construction for its insulating properties. It can be found in the water heaters, insulation, fireplaces, steam and hot water pipes, tiles, vermiculite, and air heating conducts.

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You can count on our availability and flexibility, as well as our more than 10 years of experience, upon your next inspection. We provide residential and commercial inspection services with attention to details and focus on client satisfaction.

  • We are a team of passionate professionals who coordinate their efforts in order to help customers.
  • We develop long term relationships and generate exceptional results for our clients.
  • Diligence Inspection is available 7 days a week with quick appointments.
  • We always keep customers informed and give access to any information that concerns them.Many clients trust Diligence Inspection team.
  • Through our years of experience in building inspections and civil engineering, we gained unlimited knowledge of the field.
  • We continue to expand our knowledge and we strive to ensure the best quality/price ratio.We have professional liability insurance.


  • How quickly can I get a home inspection?

    Home Inspections can usually be booked within 24 to 48 hours, depending on availability.

  • What areas do your home inspectors cover?

    Diligence Inspection has qualified home inspection professionals serving Montréal, Laval, North-Shore, South-Shore, Laurentides and Lanaudiere. Please contact us to see if we service your area.

  • How and when will I receive my inspection report?

    Your report will be emailed to you within 24-48 hours following the home inspection.

  • How long does an inspection take?

    A typical home inspection takes 2 to 3 hours. Older, larger or more complex homes could take longer.

  • What are your inspectors qualifications?

    All our inspectors are members of the Quebec Association of Building Inspector (QABI) and/or the "Ordre des technologues professionnels de Québec"(OTPQ)

  • Do you have insurance?

    Yes. All QABI and OTPQ members must maintain professional insurance.

  • What are the hours of the inspection?

    We perform inspections seven days a week. Appointments are made between 8h and 20h, although on-site inspections are performed at daylight.

  • Is it necessary to inspect the house that we are about to buy?

    Pre-purchase home inspection is not mandatory, but highly recommended. Investing a few hundred dollars in a home inspection could help avoid many hassles and thousands of dollars of repair-work.

  • Phone :
    514 963-1425

  • Area: Laval, Montreal, North Shore and South Shore.

About Us

Since 2009, Diligence Inspection performs residential and commercial inspections that help clients make informed decisions with confidence.

Recalls and safety alerts

2018-04-20 00:00 - Shenzhen Wismec Electronics Co., Ltd. recalls Wismec Exo Skeleton Vaporizers More information...

2018-04-19 00:00 - Wild & Wolf Ltd. recalls Petit Collage Musical Jumbo Wooden Xylophone More information...

2018-04-19 00:00 - Velcade (2018-04-18) More information...

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