Sustainable construction is a process of producing a sustainable building by taking into account environmentally friendly principles, and using resources effectively and efficiently from the commencement of the planning, implementation, maintenance, renovation, and demolition process. The problem of this research is the extent to which the understanding and application of the concept of sustainable construction on contractors in Banda Aceh. The purpose of this research is to analyze the understanding and application of the concept of sustainable construction on contractors in Banda Aceh. The study was conducted in the form of a distributed questionnaire containing statement items regarding the understanding and application of the concept of sustainable construction on contractors in Banda Aceh, with respondents of small (K) and medium (M) qualified contractors. The number of contractors involved in this study was 44 contractors in Banda Aceh. The sampling technique used is saturated sampling. The variables used in this research are the variables of understanding the concept of sustainable construction and the variable of implementing the concept of sustainable construction. The validity test results obtained that the r-count value of each variable is entirely greater than the r-table and the r-table value for 1% significance is 0.3843. This shows that the data obtained is valid. Furthermore, the reliability test results on each variable obtained a total value greater than 0.6. This shows that the data obtained is reliable. Based on the descriptive analysis of the variable understanding the concept of sustainable construction, the mean value was 4.287, and the variable application of the sustainable construction concept obtained a mean value of 3.851. This shows that the majority of contractors understand the concept of sustainable construction. In its application, almost all respondents optimize selecting environmentally friendly materials because they are readily available in Banda Aceh.
