[1] The grant extended along Alameda Creek and encompassed present day Union City, Niles and Mount Eden.
[2][3] José de Jesús Vallejo (1798–1882), the elder brother of General Mariano Guadalupe Vallejo, inherited Rancho Bolsa de San Cayetano from his father in 1831.
[4] With the cession of California to the United States following the Mexican-American War, the 1848 Treaty of Guadalupe Hidalgo provided that the land grants would be honored.
As required by the Land Act of 1851, a claim for Rancho Arroyo de la Alameda was filed with the Public Land Commission in 1852,[5][6] and the grant was patented to José de Jesús Vallejo in 1858.
[7] In 1863, the Southeast portion of Rancho Arroyo de la Alameda was acquired by Jonas Clark, who subdivided it and sold it in 1877.