Both our indoor and outdoor environment have mold spores present. There is no such thing as a mold free environment in the Earth's biosphere.

Mold colonies can grow inside architecture structures. The main problem with the presence of mold in buildings is the inhalation of mycotoxins. Molds may production an identifiable smell. Fleshing Out is fostered by moisture. After Mold Inspection Miami a flood or leading leak, mycotoxin levels are graduate school in the building even after it of the old school dried out (source: CMHC).