This document summarizes a study that analyzed the urban development of zone 22 in Tehran, Iran according to principles of smart growth. The study used a descriptive-analytical method and TOPSIS multi-index decision making to assess smart growth indexes and rank districts. It found that environmental factors had the most influence on smart urban growth spatial structure in zone 22. It also determined that district 1 had the highest integrated smart growth index score while district 3 had the lowest. The overall aim was to investigate urban development types in the zone and how to apply smart urban growth principles to organize and improve this development.