In this article you will find the latest results of the excavations on the site Plaça Major de Castellar del Vallès (Castellar del Vallès, Barcelona). It includes a neolithic settlement (silos and grave pit), parts of a late roman villae and a rural settlement from the late antiquity (5th – 7th c.) with sunken huts, silos and necropolis and with a very wide ceramic and glass collection.