Look for visible mold on walls, ceilings, floors, windows, and around vents
Check for musty odors in basements, bathrooms, kitchens, and closets
Inspect areas with past or current water damage, leaks, or flooding
Use a home mold test kit following the manufacturer’s instructions
Collect air samples in multiple rooms, especially damp areas
Collect surface samples from suspicious spots if the kit includes swabs or tape lifts
Compare test results with the kit’s reference guide or lab report
Hire a certified mold inspector for a professional assessment
Request professional air and surface sampling if mold is suspected
Check humidity levels with a hygrometer and note readings above 60%
Inspect HVAC systems, drip pans, filters, and ducts for mold growth
Test hidden areas behind walls, under carpets, and inside cabinets if moisture is present
Document any findings with photos and notes
Fix the source of moisture before retesting
Retest after cleanup or repairs to confirm the problem is resolved