The answer to 'why is my spider property damage' is that spiders do not typically cause direct property damage. Spiders are not known to eat or destroy building materials, furniture, or other household items. However, the presence of spiders may be an indicator of other pest problems that could lead to property damage, such as termites or wood-boring insects.
Spiders spin webs and may leave behind egg sacs, which can create unsightly messes, but these are not considered structural or property damage. The main concern with spiders is the potential for bites, which can be a nuisance or even dangerous in the case of venomous species. If you are concerned about spiders in your home, it's best to have a professional pest control technician inspect and identify the species to determine the appropriate course of action.