Fading a city's native identity and cities becoming similar to each other is one of the most important challenges of Iranian modern cities. The research done in this area has not paid attention to citizens' needs and their perception of identity and most have focused on the theoretical definition. Therefore, this research in addition to cognition of facades identity’s degree in Shariati street which is one of the oldest streets in Tehran will analyze the facades identity factors in citizen’s viewpoint.

By collecting questionnaires from 39 selected Shariati street facades based on Five Likert Spectrum, the opinions from more than 300 citizens were questioned and evaluated in this issue. Then by analysis of descriptive citizens answers by Categorization method, factors of high and low identity in point of contributors were stated in thematics of physical-aesthetics, perceptual-semantic, functional, social, and time.

In finding, by scoring effective facades factors it has been found between elements of urban facades identity, physical-aesthetics elements were at the highest attention of people; In the mean, time factors, that rooted in history and culture of the city, were at the second rank of importance; and people were referred perceptual-semantic factor, functional factor and social dimensions in subsequent degrees. However, the identity of the facade can be guaranteed if all these factors are collected together and are considered comprehensibly.