The relevance of the research topic is that the improvement of the land and real estate market is one of the most important goals of the development of digital economy of the Russian Federation. In recent years, a number of regulatory documents have been adopted in the field of state cadastral registration and registration of real estate titles. Some elements of state development programs of the Russian Federation in the field of land and real estate management were also introduced. An analysis of the documents shows that the introduction of a three-dimensional spatial description of real estate in the unified state register of real estate is beginning gradually. Its purpose is to eliminate a number of problems associated with state cadastral registration of real estate objects located at different levels (above ground, ground, underground), as well as unique buildings and structures. Despite all the available options for accounting for three-dimensional models of real estate in the unified state register of real estate, in fact, their registration in cadastral works is not performed in Russia. This is caused by the lack of scientific and methodological justification for implementation of cadastral work on three-dimensional modeling of real estate objects, taking into account domestic characteristics.