Understand the difference between investigating moisture and building conditions during a mold inspection and collecting air, surface, or material samples for testing.

Check HVAC condensate drains, pans, ducts, registers, mechanical closets, nearby drywall, and musty odors for moisture-related warning signs.

Inspect your crawlspace for standing water, vapor barrier gaps, condensation, drainage problems, wet insulation, humidity, and mold warning signs.

Learn the common warning signs of hidden mold and moisture behind drywall, ceilings, trim, cabinets, and other building assemblies.

Use this homeowner mold inspection checklist to identify moisture, musty odors, staining, condensation, and possible hidden mold warning signs.