California Historical Landmarks in Alameda County

California Historical Landmark 246
Rancho San Antonio
East 14th and Hays Streets In Root Park
San Leandro

California Landmark 246: Site of Rancho San Antonio in San Leandro, California
1 November 2006
(Click Photo to Zoom)

Rancho San Antonio

Governor Pablo de Solá, last Spanish governor of California, awarded the San Antonio Grant to Don Luís María Peralta on August 3, 1820 in recognition of forty years of service. From this point northward, the grant embraced over 43,000 acres, now occupied by the cities of San Leandro, Oakland, Alameda, Emeryville, Piedmont, Berkeley, and Albany.

California Registered Historical Landmark No. 246

Plaque placed by the State Department of Parks and recreation in cooperation with the City of San Leandro, the Club Iberico Espanñol, the Sociedad de Agustina de Aragon, and the Supreme Council U.P.E.C., March 14, 1970.

Don Luís María Peralta divided the rancho among his four sons: Ygnacio, Antonio, Vincente, and José Domingo.
  • 1860 - Ygnacio, builds a brick house, California Historical Landmark 285, half a mile north of here in San Leandro
  • 1868 - An earthquake on the Hayward Fault destroys many of the rancho's buildings, but Ygnacio's house survives
  • 1870 - Antonio builds an Italianate Victorian home, California Historical Landmark 925, nine miles north of here in the Fruitvale section of Oakland
  • 1879 - The Peralta estate has dwindled to twenty-three acres at the time of Antonio's death
  • 1897 - Antonio's daughter, Inez Galindo, sells the remaining land and buildings to a developer

When Pablo de Solá granted Rancho San Antonio to Don LuÏs MarÏa Peralta, Alta California was Spanish territory. During the seventy-seven years of its existence, Rancho San Antonio flew three flags: Spanish, Mexican, and American. When Inez Galindo sold the last of the rancho, California had been a state for almost half a century.
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