The current research seeks to achieve several objectives, including knowing the extent of the audit directorate of the Ministry of Construction, Housing and General Municipalities of the International Standard (ISO19011:2018) regarding determining the efficiency and evaluation of auditors and diagnosing the gap between requirements and application and knowing the reasons for not applying some of the items in the standard, starting from the problem, The field raised the following question (Does the audit directorate determine the efficiency and evaluation of auditors according to the standard ISO19011:2018?), and the importance of research lies in determining the return that can be achieved by the directorate through its application of standards and requirements for efficiency and evaluation of auditors according to the international standard (ISO19011:2018) with its latest release. the research relied on the case study method using the Check List prepared according to the requirements of the competency and evaluation requirements of the auditors in the International Standard (ISO19011: 2018), The interviews were conducted and documents and field coexistence were measured through which the extent of application and documentation of this requirement was measured. The researcher used the Pareto scheme to diagnose the most influencing requirements in the application of the competency requirement and to evaluate the auditors according to the international standard ISO19011: 2018. Among the most prominent results that the research came up with is the availability of the ability to apply an efficiency requirement and the evaluation of auditors according to the international standard ISO19011:2018 partly in the directorate due to the lack of financial allocations and the lack of human resources with expertise and the weakness of specialized training programs in addition to weak material and moral incentives as well as the process affected by the Personal evaluation, which requires hard work to reach the integrated application of the requirement.