Abstract—Proper treatment of communal sewage sludge has become one of the most important issue in environmental protection. Among the possible technologies, vermicomposting could offer an environmentally sustainable solution for sludge treatment of communal sewage facilities. In the same time, integration of vermicomposting into industrial operation is challenging due to the variance of the substrate and the limits of the adaptation of the worms. In our study vermicomposting of communal sewage sludge was carried out by comparing two redworm populations in laboratory. During a 10-week experimental period the temperature and the redox potential were measured every other day. Other physical-chemical basic parameters were measured weekly. It can be concluded that vermicomposting of communal sewage sludge has resulted in an excellent humification process. The basic physical and chemical parameters referring to humus quality and quantity also indicate a good progress despite an initial recession. The changes of the important chemical parameters (nitrogen, phosphorus, potassium) in nutrient management were developed favorably. This paper aims to report on the research methodology and describe the results of the laboratory investigation, which is a preparatory study of a later industrial use of this technology.