Look for visible mold on walls, ceilings, floors, windows, and around plumbing
Check for musty odors in rooms, closets, basements, and crawl spaces
Inspect areas with water damage, leaks, condensation, or flooding
Use a home mold test kit for surface or air sampling
Collect samples from suspected areas following the kit instructions
Send samples to a certified laboratory if required by the kit
Hire a professional mold inspector for a more thorough assessment
Use moisture meters to check for hidden dampness in walls and floors
Check HVAC vents, ducts, and drip pans for mold growth
Test indoor air quality with a professional if symptoms or hidden mold are suspected
Compare indoor and outdoor mold levels when using air sampling
Confirm findings by identifying and fixing the moisture source
Retest after cleanup and repairs to verify mold has been removed