Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.
Shelves, counters, handles, or equipment exteriors soiled with grease, debris, or dust.
Clean equipment and utensils stored improperly or not air-dried.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.