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Mold: when you need a remediation contractor, and when you need a sponge

Most mold calls do not need us. Here is how to tell the difference, and what a legitimate remediation includes.

Nate Caldwell, Owner · June 23, 2025 · 5 min read

We turn down mold work every week. Here is the thinking, so you can do it yourself before you call anyone.

When you do not need us

Surface mildew on tile, grout, a painted bathroom ceiling, a window sill: a few square feet on a non-porous surface with no moisture source behind it. Clean it with a detergent solution, dry it, and fix the ventilation. If it comes back, there is a moisture problem to find.

When you do

  • Growth larger than about ten square feet.
  • Growth on or inside porous material: drywall, insulation, carpet, wood framing.
  • A musty smell with no visible source, which usually means growth inside a wall or under flooring.
  • Any growth after a water loss that was not dried properly.

What a legitimate remediation includes

A written protocol, often from an independent assessor. Containment with negative air. Removal of affected porous materials, not spraying and painting. HEPA cleaning. Post-remediation testing by someone other than the contractor. A report.

What is not legitimate

A free inspection that finds mold everywhere. Fogging as a cure. A quote with no protocol. A contractor who tests their own work and passes it.

If someone tells you a bathroom ceiling is a $9,000 job, get a second opinion. It can be ours; we will say so on the phone.

Next step

Call now. Or tell us what happened and we call you back in minutes.

Dispatch answers 24 hours a day. A crew is on site within 90 minutes, and a project manager owns your loss from the first call to the final walk.

Demonstration site. Clearpath Restoration is a fictional company. Designed and built by Ironsite Digital to show what a water, fire and mold remediation contractor's website should be. Want one like it?