Musty or earthy odor
Visible black, green, white, or gray spots
Water stains or discoloration on walls, ceilings, or floors
Peeling, bubbling, or cracking paint or wallpaper
Warped, swollen, or soft drywall, wood, or baseboards
Persistent dampness or condensation on surfaces
Recent or ongoing leaks, flooding, or plumbing issues
Increased allergy-like symptoms indoors
Symptoms that improve when leaving the house
Mold growth in bathrooms, basements, attics, or around windows
Excess moisture or high indoor humidity
Hidden mold signs behind walls, under carpets, or inside HVAC systems