Casapinta is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about 70 km northeast of Turin and about 12 km northeast of Biella. As of 31 December 2004, it had a population of 480 and an area of 2.9 km². Casapinta borders the following municipalities: Crosa, Curino, Lessona, Masserano, Mezzana Mortigliengo, Strona.