Difference between revisions of "Contra Costa County, California Genealogy"

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=== History  ===
=== History  ===
*{{FHL|977980|item|disp=Index to Hulaniski's history of Contra Costa County, by F. J. Hulaniski, 1917}}
*{{FHL|977981|item|disp=Index to the history of Contra Costa County, by Mae Fisher Purcell, 1940}}
*{{FHL|977979|item|disp=A somewhat tardy index to the History of Contra Costa County by Slocum & Co., 1986}}
*{{FHL|1802891|item|disp=Antioch centennial almanac}}
*{{FHL|77805|item|disp=The history of Contra Costa County, California}}
*{{FHL|140321|item|disp=History of Contra Costa County, California : including its geography, geology, topography, climatography and description; together with a record of the Mexican grants ... also, incidents of pioneer life and biographical sketches of early and prominent settlers and representative men}}
*{{FHL|171428|item|disp=History of Contra Costa County, California : with biographical sketches of the leading men and women of the county who have been identified with its growth and development from the early days to the present}}
*{{FHL|70246|item|disp=History of the greater San Francisco Bay region}}
*{{FHL|206612|item|disp=History of the San Francisco Bay region}}
*{{FHL|283246|item|disp=Illustrations of Contra Costa Co., California, with historical sketch}}
*{{FHL|1050646|item|disp=The morning side of Mount Diablo : an illustrated account of Morgan Territory road}}
*{{FHL|1934776|item|disp=Rose Hill : a comprehensive history of the pioneer cemetery in the Mount Diablo coal field, Contra Costa County, California}}
*{{FHL|569755|item|disp=Ygnacio Valley, 1834-1970}}
=== Land and Property  ===
=== Land and Property  ===

Revision as of 15:23, 25 June 2013

United States go toCaliforniago to Contra Costa County

Guide to Contra Costa County California genealogy. Birth records, marriage records, death records, census records, family history, and military records.

Hand and keyboard.jpg California
Online Records

Contra Costa County, California
Map of California highlighting Contra Costa County
Location in the state of California
Map of the U.S. highlighting California
Location of California in the U.S.
Founded 1850, February 18
County Seat Martinez
Address Contra Costa County
 730 Las Juntas St;
PO Box 350;
Martinez, CA 94553;
Phone. 925.646.2360
Contra Costa County Website

County Courthouse

County Recorder has birth and death records; County Clerk
has marriage, divorceCounty Clerk has marriage, divoce, 
probate and court records[1]

Historical Facts

Contra Costa County began in 1850 as one of the original counties in the new state of California. Located in the East Bay area, San Pablo Bay and Suisun Bay partially surround the land area of the county and have contributed to the economy since the gold rush. 

Wikipedia has more about this subject: Contra Costa County, California

Parent County

18 February 1850: Contra Costa County was created as an original county. County seat: Martinez [2]

Boundary Changes

Record Loss


Populated Places

  • Antioch
  • Brentwood
  • Clayton
  • Concord
  • Danville
  • El Cerrito
  • Hercules
  • Lafayette
  • Martinez
  • Moraga
  • Oakley
  • Orinda
  • Pinole
  • Pittsburg
  • Pleasant Hill
  • Richmond
  • San Pablo
  • San Ramon
  • Walnut Creek

Neighboring Counties


Bible Records

Biography - Indexes




Church History and Records

Court Records

Crime and Criminals


Ethnic, Political, or Religious Groups




A wiki article describing an online collecion is found at: California, Genealogical Collections at the California Genealogical Society (FamilySearch Historical Records)



Contra Costa Genealogical Society directory & Periodical




Land and Property



Military History and Records

Naturalization and Citizenship




Probate Records


Archives, Libraries and Museums

County Courthouse

Family History Centers


San Ramon Valley Genealogical Society serves local genealogy enthusiasts. Monthly meetings are held at the Danville Family History Center in Alamo, California on the 3rd Tuesday at 10am.


Vital Records





Contra Costa County maintains records of death certificates from 1905 to present. You can obtain an informational copy for a fee by mailing the Application for Death Record from the county clerk's website with your payment. As with other counties, you only need to get the form notarized if you want a certified copy. Informational copies do not need a notary.

Voting Registers

Web Sites

A wiki article describing this collection is found at:


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Contra Costa County, California. Page 84 At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).