Raw meat, poultry, or seafood not separated from ready-to-eat food, or food left unprotected during prep, storage, or display.
Cleaning chemicals or other toxic substances unlabeled or stored where they can reach food.
Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.