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Alameda County, California
Genealogy, History & Facts

Alameda County, California Facts

Alameda County

When was Alameda County, CA Created?
Alameda County was established on March 25, 1853 from Contra Costa County and Santa Clara County . This county was named for the Spanish for "avenue shaded by trees" or "cottonwood grove." The name was applied both to the southern portion of the county (La Alameda) and to the stream running through it (Rio de la Alameda) as early as 1795. .

What is the County Seat of Alameda County, CA?
The County Seat is located in Oakland also, the county government website is

What counties are adjacent to Alameda County, CA?
Bordering Counties are Santa Clara County, San Mateo County, San Francisco County, Contra Costa County, San Joaquin County. .

What cities and towns are in Alameda County, CA?
Cities and towns located in the County include Alameda, Albany, Berkeley, Dublin, Emeryville, Fremont, Hayward, Livermore, Newark, Oakland, Piedmont, Pleasanton, San Leandro, Union City .

Alameda County, CA Vital Records

Where can find Alameda County Birth, marriage, Divorce and Death Records?
Alameda County vital records can be found at the California Office of Vital Records has copies of birth and death records from July 1905, marriage records that occurred from 1949-1986 and 1998-1999, divorce records that occurred between 1962 and June, 1984. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in California for current fees and application process.

You can search online for Alameda County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for California Birth Certificate, Marriage or Divorce Certificate, Death Certificate Applications to mail.

Vital Records can also be found in the Local Registrar of Births and Death, 1000 Broadway, Suite 500, Oakland, CA 94607, Office (510) 267-8070

Alameda County, CA Census Records

What Alameda County, CA census records are available?
There are many types of census records for Alameda County guide you in researching your family tree. Federal Population Schedules are available for 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Alameda Co. Mortality Schedules can be found for 1860, 1870 and 1880. Alameda Co. Industry and Agriculture can be obtained for 1860, 1870 and 1880. Alameda Co. Union Veterans Schedules is available for 1890.

Another California census is the California State Census in 1852. One can find free online and printable census forms to help you with your research. See Also California Census Records Research Guide.

Alameda County, CA Courthouse and Government Records

Alameda County Courthouse

What genealogical records can I find in the Alameda County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Alameda County. The years listed below are the first noted records with this county. Some counties encompass land settled in the eighteenth century; their records pre-date county formation. Land transactions and vital records recorded in the county are at the county recorder's office. The county clerk general has probate books and files from the county's superior court, civil court records, and naturalizations. Divorces may be in either place, depending on how filed. See Also California Corthouse Records Research Guide.

Old Alameda County Courthouse
  • Alameda County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 1221 Oak Street, Suite 536, Oakland, CA 94612
    • Phone:(510) 272-6347
    • Some early court records from the various courts may have been sent to the California State Archives. Besides court minutes and judgements, these records include tax lists, wills, deeds, estate inventories, and marriage bonds. State Archives has microfilm of selected county records, 1850–1919.
  • Alameda County Recorder-Clerk is s responsible for examination and recording of all documents presented for recording that deal with establishing ownership of land in the County or as required by statute; administers the real property transfer tax law and maintains a permanent record and indexes of all documents for public viewing plus providing certified copies requested by the public; recording of all lawful documents such as deeds, deeds of trust, judgments, liens, affidavits, Uniform Commercial Code Financial Statements, etc; and the filing of Births, Deaths, and Marriages.
    • Phone: (510) 272-6362
    • Birth / Death Records: 1873 / 1859
    • Marriage Records: 1853
    • Land Records: 1853
  • Alameda County Clerk of Superior Court has probate books and files from the county's superior court, civil court records, and naturalizations. Divorces may be here or in the Recorders Office, depending on how it was filed.
    • Probate Records: 1853 
    • Court Records: 1853 
  • Early California Wills
  • BLM Land Records

Alameda County, CA Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Alameda County, CA?
A list of Alameda County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Californiia Archives, Historical & Genealogical Societies.

Where can I connect with other Alameda County, CA Researchers through message boards and forums?

What other genealogical resources are available in Alameda County, CA?
The following are web links to Genealogy, Records and Resources pertaining to Alameda County. A majority of these genealogy links fall into 3 categories: Business Sites, Private Sites or Organization Sites. Some have free access some require a payment. This is basically a listing which has been gathered or submitted. I do not recommend or promote one genealogy site above another.

Alameda Co. CA Books, Newspapers & Publications

Alameda Co. CA Cemeteries & Church Records

Alameda Co. CA Family Websites, Pictures & Histories

Alameda Co. CA General and History Websites

Alameda Co. CA Maps, Atlases & Gazetteers

Alameda Co. CA Military Records

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