10/21/2026
Moss on a roof or wall gets treated as a curb appeal problem until it isn't one anymore.
Left alone, it holds moisture against roofing and siding long enough to cause real damage, clogged gutters, trapped moisture that leads to rot, and drainage issues that show up somewhere else on the property entirely. The PNW rain guarantees it keeps growing until something addresses it.
Drop your answer in the comments. We're curious what property managers are really worried about.