The relevance of this topic lies in the fact that in the field of cadastral valuation, there is currently an active change in the procedure for conducting and maintaining the results of determining the cadastral value, the development of the regulatory framework, the testing of new methodological guidelines, which determines the formation of the tax base. At the same time, the use of spatial databases significantly affects the quality of work performed and the effectiveness of real estate management in the country and its individual regions. The authors highlight the features and describe various cases and problems of using geoinformation systems in determining cadastral value. The results of the conducted research can be used by budgetary institutions in the cadastral valuation of real estate.