Look for visible mold on walls, ceilings, floors, vents, and around windows
Check for musty or damp odors in rooms, closets, basements, and attics
Inspect areas with past or current water damage, leaks, or flooding
Use a home mold test kit according to the manufacturer’s instructions
Collect air samples in suspected areas and compare them with outdoor samples
Use surface swab or tape-lift tests on suspicious spots
Check humidity levels with a hygrometer; high humidity can indicate mold risk
Examine HVAC systems, filters, drip pans, and ducts for mold growth
Inspect behind furniture, under sinks, inside cabinets, and around toilets
Test materials that stay damp, such as drywall, carpet, insulation, and wood
Hire a certified mold inspector for professional testing and assessment
Send samples to a certified laboratory for analysis
Confirm and fix the moisture source if mold is found