A good rule: if you can smell it strongly, see widespread droppings, or suspect it’s been there for more than a short time, professional cleanup is usually the safer option. DIY becomes risky when:
Professional cleanup isn’t just removing droppings—it’s containing the area, using proper PPE, preventing particles from becoming airborne, safely bagging and disposing of contaminated materials, and disinfecting/deodorizing without spreading contamination to the rest of the home.