== Storia ==I primi residenti europei conosciuti a Santa Rosa furono la famiglia Carrillo, sottoposti a Mariano Guadalupe Vallejo, che fondò Sonoma pueblo e Petaluma. ###>The first known permanent European settlement of Santa Rosa was the homestead of the Carrillo family, in-laws to Mariano Guadalupe Vallejo, who settled the Sonoma pueblo and Petaluma area.