How to design the work environment has a direct relationship with the increase or decrease of construction performance, and there are factors that if not taken into account in the design of the work environment, the administrative work will not be done properly, and in this case, it is faced with a decrease in administrative productivity. The environmental characteristics of work spaces and their impact on employees are of particular importance. On the other hand, in order to increase the productivity in the organization, we need to provide several conditions, the most important of which is the human factor, and the motivated human force to perform its duties is the most important productivity factor. The main goal of this research is to explain the optimal design model of municipal administrative spaces with an existential approach influenced by the geography of Shahrekord. Therefore, in this research, the question of what is the optimal model for designing municipal office spaces with an existential approach influenced by the geography of Shahrekord has been investigated. The research method was "descriptive-analytical" in the stage of theoretical foundations and "survey method" in the stage of expressing the findings, and the environmental variables of the office spaces, which were adapted to the indicators of existential psychology, were questioned in this questionnaire. Are after answering and completing the questionnaires by the study community, the data and information obtained from the questionnaires are analyzed in Amos and spss analytical software. The results of the research on office buildings have shown that the most important environmental parameters affecting the performance of human resources in office environments are: color, lighting, noise pollution level, visibility and scenery, indoor air quality and thermal comfort. Design, flexibility, communication, arrangement of work space and furniture, humidity, etc., which can be classified into two groups of psychological and physical components.