During this century the architecture reveals the capital accumulation in hands of the most important families alcañizanas. The most prominent thing of him is the proliferation of the manors and, especially his representative building the Town hall, important I building of the civil Aragonese architecture, which forms definitively a space urban of vital importance for Alcañiz: the Square, in the crossroads that so intelligently the alcañizanos of the 13th century organized.
Austerity, economic atony, religious introspection. The religious orders are established in Alcañiz: of Carmen and of the Dominicanss convents.
In the middle of the 17th century the Valerianos school is constructed, that will monopolize the education of the alcañizanos.
In 1652 Felipe IV the title of "City".