About Castellar del Vallès

Castellar del Vallès is a municipality of Barcelona province. It includes the areas of Airesol, Can Font - Ca n'Avellaneda, Castellar del Valles, El Balco, Els Fruiters-La Virreina, Les Arenes, Pla de la Bruguera and Sant Feliu del Raco. It has a population of 25,422 people.

International buyers make up 15.2% of the property market and the population of Castellar del Vallès has grown by 1,982 (8%) since 2014.

Market activity in Barcelona province is currently 9% below its peak in 2007. There were 19,777 property transactions registered in Q2 2026.

Closest airports

  • Barcelona-El Prat Airport
    21.6 miles (IATA code: BCN)
  • Girona-Costa Brava Airport
    40.1 miles (IATA code: GRO)
  • Reus Airport
    58.2 miles (IATA code: REU)

Climate and weather

Average monthly temperatures in Castellar del Vallès (°C)

Dry days Rainfall Avg Min Max