Urban resilience, the ability of cities to survive and recover from shocks and stresses, has become commonplace in discussions of urban development. This study investigates the contribution of social capital toward enhancing urban resilience by examining the role of trust, networks, and collective action toward the active restoration of a community after disruptions. Grounded theory according to (Corbin & Strauss Framework) was applied in this research. 19 specialists from Iranian universities and municipalities who deal with the topic of resilience were interviewed who were selected by snowball sampling. Our results show that several aspects relate to the nature of the social capitalurban resilience link and should be thoroughly explained. The core phenomena in this regard were revealed to be the crucial depiction of social networks as a resilience enhancing asset, and sole community involvement in joint processes. We formulated five causal conditions such as members’ trust and social ties as necessary prerequisites for the activation of social capital. We pointed out six intervening conditions such as bureaucratic regulations and societal values, which affect the degree of social capital’s effectiveness and five techniques such as mobilizing communities and establishing resource exchange networks, which offer practical means for achieving resilience. As a further impact of social capital, we also identified five positive effects such as improved response to crises and interrelations within the community and gave attention to seven contextual conditions explaining the way this entity functions in cities.