Naturalization Records dated from July 24, 1914 through June 8, 1917 are retained at the County Clerk Division. Naturalization Index from 1906, 1907-1925, 1918-1919 are also available. These records are Petitions of Intent for Naturalization.

If you would like to contact our office regarding Naturalization Records, please call 650.363.4000 extension 6063.