In accordance with the priorities of state policy in the areas of ensuring national security, law enforcement agencies continue to improve the practice of combating fraud in the construction industry. Measures are being taken to protect budget funds allocated for the construction and reconstruction of large socially significant objects, in particular cultural heritage, housing and communal services and the transport system, mechanisms are being analyzed and developed to counter fraudulent schemes in the construction market. Today, the scientific community considers fraud committed in the course of construction work as one of the thefts of state or other property. According to the object of the crime in the field of construction, the investigation establishes whether the encroachment actually occurred, and if so, is it aimed at a specific form of ownership determined by the ownership of the property. This circumstance requires, first of all, careful documentation and an accurate assessment of the damage received, in connection with which it is required to conduct appropriate documentary research by employees through the internal affairs bodies. The purpose of the scientific there was a study of the methodological aspects of documentary research in identifying economic crimes in the construction industry. The theoretical and methodological basis of the research in the scientific article was the work of both Russian and foreign experts in the field of accounting and control, audit activities, regulatory documents on the research topic, as well as periodicals of leading legal scholars and economists. The main research methods used in writing the work were the methods of documentary verification, analysis and monitoring. According to the analysis of criminal cases, as well as the generalized practice of documentary research, we have identified and systematized the main signs of economic crimes in the construction industry, investigated the methodology of conducting documentary research in identifying and documenting fraud, and examined schemes for committing tax crimes in construction.