Rancho San Joaquin
Rancho San Joaquín was a Mexican land grant given José Antonio Andres Sepúlveda (1803 - 1875) in what are now called the San Joaquin Hills in Orange County, California.
Rancho Cienega de las Ranas was granted to José Sepúlveda by Mexican Governor Juan Alvarado in 1837. Additional land, Rancho La Bolsa de San Joaquín, was granted in 1842 to Sepúlveda. Together his two ranchos formed Rancho San Joaquín.[1]