The Estudillo family is a prominent Californio family of Southern California. Members of the family held extensive ranchos and numerous important positions, including California State Treasurer, mayor
Casa de Estudillo was a 19th-century adobe house, located in San Leandro, California. It was built by Don José Joaquín Estudillo, a member of the prominent Estudillo family of California.
Estudillo Home, 1940. Photo from the Library of Congress.