Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.
Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
Food-contact or nonfood-contact surfaces improperly designed, constructed, maintained, or located.
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.