From the early 50s onwards the major Iranian cities were subject to a massive immigration. The immediate solution to this crisis was residential complex in the less populated areas. After few decades of accommodating a large number of new citizens in these residential complexes, while having a limited open space, created physical, functional, semantic, environmental, and social problems. Today, the new challenge that confronted the designers and architectures of this field is therefore how to improve the quality of both open spaces and the living condition of the inhabitances and at the same time being able to compete in the housing market with budgetary restrictions on their expenditures.