Social capital, lies in the ability of people in the community that the community is doing. And it is a precondition for the formation of a space in which people were present. And social relationships emerge between them. The issue of urban public spaces to be raised as a ground for the presence of people. This paper examines the impact of social elevance and quality of the environment and its components were discussed on social capital. A sample of 300 people over 18 years in three axes Saadat Abad, ayat and madaeen Tehran in zones 2, 8 and 16, which were randomly selected. The results are positive and significant correlation with the severity level of 99% and 493% is social capital and social dimension. Summing components of the social dimension in all other components of the social dimension of the relationship between people and space is significant and positive relationship between social capital.