<p>Sustainable streetscape design is one of the determining factors for a city’s success. A sustainable streetscape is planned to accommodate community activities and provide spatial and visual comfort. A sustainable streetscape can be formed based on functional, ecological, social, and economic aspects. This research aims to analyze what aspects influence a sustainable streetscape and how an appropriate sustainable streetscape design can support a green city. The research method used is quantitative. Data collection was carried out by distributing questionnaires to respondents. Research was conducted in commercial areas in Medan City, Indonesia, and Johor Bahru, Malaysia. The analysis was carried out using multiple linear regressions and frequency. The research results in Medan City show that functional, ecological, social and economic aspects significantly influence sustainable streetscapes. Meanwhile, in Johor Bahru City, social, and economic aspects influence sustainable streetscape. The sustainable streetscape design recommended by respondents is that one meets all aspects that provide comfort and accommodate user activities in commercial areas.</p>