How to Choose a Mold Remediation Company: 7 Questions to Ask First
Hiring the wrong mold remediation company can cost you twice, once for the job done wrong, and again for the job done right. Mold remediation isn’t a heavily regulated industry in most areas, which means the difference between companies can be significant. Here are seven questions worth asking before you sign anything.
1. Do You Test Before and After the Job?
A reliable mold remediation company should be able to confirm the extent of mold growth before starting work, and verify it’s been properly removed once the job is done. Without post-remediation testing, there’s no real way to know if the problem is actually resolved.
2. How Do You Contain the Affected Area?
Mold remediation should never happen in an open room. Ask about containment barriers and negative air pressure setups, since disturbing mold without proper containment can spread spores to unaffected parts of the home.
3. Are You Certified in Mold Remediation Specifically?
General contractors and cleaning companies sometimes offer mold removal without specialized training. Ask about certifications such as IICRC (Institute of Inspection, Cleaning and Restoration Certification), which sets industry standards specifically for mold remediation.
4. What’s Your Process for Identifying the Moisture Source?
Removing mold without fixing the underlying moisture problem means it will likely come back. A thorough company will identify and address the moisture source, not just the visible mold, before considering the job finished.
We’re going to insert an image here, it’ll be blank for now. It’s going to be about a moisture meter being used on a wall near visible mold growth. Alt text: Moisture meter reading used during mold remediation inspection
5. Will You Provide a Written Scope of Work?
A clear, written scope of work, outlining what areas will be treated, what materials will be removed versus salvaged, and the expected timeline, protects you from surprise charges and unclear expectations later.
6. How Do You Handle Disposal of Contaminated Materials?
Ask how contaminated materials like drywall, insulation, or carpet padding are bagged, removed, and disposed of. Improper disposal can recontaminate other areas of the home during the removal process itself.
7. Can You Provide Documentation for Insurance?
If you’re filing an insurance claim, ask whether the company provides photos, moisture readings, and a detailed report. Proper documentation can be the difference between a claim being approved smoothly or getting delayed.
Red Flags to Watch For
- A company that quotes a price without ever inspecting the property in person
- Vague answers about certification or process
- No mention of post-remediation testing
- Pressure to sign on the spot without a written scope of work
Why the Cheapest Quote Isn’t Always the Best One
A lower quote that skips containment, testing, or proper moisture source identification often ends up costing more, since incomplete remediation means the mold is likely to return, sometimes worse than before.
We’re going to insert an image here, it’ll be blank for now. It’s going to be about a technician setting up a negative air machine and containment barrier in a hallway. Alt text: Containment barrier and negative air machine set up for mold remediation
Frequently Asked Questions
How much does professional mold remediation cost?
Cost varies widely depending on the size of the affected area, the extent of the moisture problem, and whether materials need to be replaced. It’s worth getting a written scope of work so you know exactly what’s included before comparing quotes.
Can mold come back after remediation?
Yes, if the underlying moisture source wasn’t fully identified and fixed. This is why addressing the cause, not just the visible mold, is the most important part of a proper remediation job.
Not sure if a quote you received covers everything it should? Eco Planet can walk you through what a proper mold remediation scope looks like. Contact us for an inspection.
To get started, you can visit the janitorial and strata services pages on EcoPlanet.ca or reach out directly in the way that suits you best.
Call 604-565-5238, email team@ecoplanet.ca, or use the contact form at https://ecoplanet.ca/contact-us/ to request a quote or a tailored janitorial services proposal for your Metro Vancouver property. A brief conversation now can set your building up for a cleaner, easier to manage year ahead.

