Rancho San Lorenzo

Rancho San Lorenzo was a 26,722-acre (108.14 km2) Mexican land grant given in 1841 by Governor Juan Alvarado to Guillermo Castro a career soldier posted to the Pueblo of San José. The land grant included present day Hayward, San Lorenzo, and Castro Valley, including Crow Canyon, Cull Canyon, and Palomares Canyons.

Rancho San Lorenzo

Rancho San Lorenzo was a 26,722-acre (108.14 km2) Mexican land grant given in 1841 by Governor Juan Alvarado to Guillermo Castro a career soldier posted to the Pueblo of San José. The land grant included present day Hayward, San Lorenzo, and Castro Valley, including Crow Canyon, Cull Canyon, and Palomares Canyons.