The article considers the concept of public administration and features of expert research in this area. Due to the fact that the main technique used in expert research is surveys, the types of surveys mentioned in the study are relevant. One of the characteristic features of expert research is the possibility of its conduct by professionals in a particular field, including experts in the field of public administration. Any expert study is conducted in stages, in accordance with the sequence of actions, which is defined as basic, but the characteristic difference of expert research in the field of public administration is that the criteria for expert evaluation during the expert study are determined before it and are included in the text of the questionnaire, the results of which are subject to evaluation. It is established that the assessment of the effectiveness of public administration is carried out in different ways, but one of the most effective methods is expert research. It is determined that expert research is conducted by specialists who have the appropriate education, qualification level and have the appropriate set of competencies. It was found that in conducting expert research, the main tools are surveys, which, in most cases, are offered to respondents in the form of questionnaires. The questions for the questionnaire are compiled by one expert or a team of experts. When compiling questions, experts adhere to two key aspects: functional and target. Criteria for evaluating the results of expert research are determined by a group of experts and based on the level of similarity of the conclusions of different experts, a generalization is made. In the case when the level of kinship of experts is insignificant, there is a question of compliance with their title of expert in this matter, and with a high rate of kinship -we are talking about the reliability of the results of expert research.