Rancho San Ramon (Amador)

[1] The five-square-league (60 square miles) San Ramon grant stretched down the San Ramon Valley from what is now southern Danville on the north to Dublin on the south, and from the crest of the western ridge to the crest of the east, and encompassed present-day Dougherty Valley.

He spent his early years as a soldier and explorer, serving in the army of Nueva España, and was later administrator at the Mission San José.

[6] 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.

[10] In 1850, Leo and Mary Jane Norris purchased one square league of land on the northwest corner of the rancho from Amador.

A claim was filed with the Land Commission in 1852 and 4,451 acres (18.0 km2) was patented to Leo Norris in 1882.