The perception of greenhouse owners about factors affecting the social aspects of sustainable agriculture was discussed in this article. The methodology used in this study involved a combination of descriptive and quantitative research and included the use of correlation, regression and descriptive analysis as data processing methods. The target population for this study consisted of greenhouse owners in the Province of Tehran (N=1787). By multi-stage cluster sampling technique, 306 respondents were selected. Data were collected through interview schedules. The regression analysis showed that the farming and extension/education factors determined 33% of variance on the perception of respondents regarding the social aspect of sustainable agriculture. The results of ordinal factor analysis indicated that the factors were categorized into five groups, namely extension education, economic, farming, social and policymaking factors ordered by the magnitude of their impact.