The continuation of human presence is confirmed by twentieth one of funereal urns dated in the 7th century BCE, which were located in the Plan of La Bruguera, in the municipal term with formed posterity, for a small necropolis of the age of the iron.

The largest snowfalls in this area came in 1962 and 2001, and there was an historic flood in September 1962, which damaged the Tolrà factory in Can Barba, the bridge over the Brunet and farmland near the Ripoll river.

It is based on typical Mediterranean crops (wine, olives, wheat, dried fruit and nuts) complemented by products of the vegetable garden.

The industrial development of Castellar del Vallès has been a lot joined to that of the textile company Tolrà, for the number of jobs as well as for the contributions of patronage of this family to the seat|town.

During the 1999-2003 legislature and in spite of an absolute majority, Lluís Maria Corominas i Díaz arrived at a pact with the Republican Left of Catalonia (ERC) and PSC.