Objective. Determinate the microbiological quality of some prepared foods and served at stalls near universities in Bogota DC. Materials and methods. Mesophilic aerobic counts, molds and yeasts, Staphylococcus aureus, Bacillus cereus, sulfite reducing Clostridium spores, determination of total and fecal coliforms and investigation of Salmonella and Listeria monocytogenes were made. Results. The findings of this study in Bogota DC qualify most street vending stalls of foods high health risk. Need more control by the appropriate authorities and better information and training to sellers and consumers of these foods.