The California State Archives has original and microfilm local government records from 28 counties. Types of records included are Probate (primarily indexes and case files), Courts (County, District, Judicial, and Superior Court case files, judgments, registers, and fee books), Bonds, Letters and Wills, Naturalization, Deeds, Homesteads (may include Homestead declarations and indexes), Birth (may include indexes to births, registers of births, and delayed certificates of births), Death (may include indexes and registers of death), Marriage (may include indexes, and affidavits for marriage licenses), Great Registers (voter registration), Declaration of Intention (related to Naturalization), and Miscellaneous (may include records from the following county offices: Assessor, Clerk/Recorder, Treasurer, and Auditor).

*Microfilmed records produced by the Genealogical Society of Utah available at the California State Archives and through local LDS Family History Centers.
**Uncataloged records - dates and types of records only generally accurate.
#Check with California State Archives reference staff for actual holdings.
Records bearing no notations are available in hard copy or microfilm only at the California State Archives.

Alameda County
Amador County
Butte County
Colusa County
Contra Costa County
El Dorado County
Fresno County
Glenn County
Humboldt County
Imperial County
Marin County
Mariposa County
Mendocino County
Napa County
City of Napa
Nevada County
Orange County
Placer County
Sacramento County
San Diego County
Santa Barbara County
Santa Clara County
Sierra County
Sonoma County
Stansilaus County
Sutter County
Tulare County
Yolo County
Yuba County

AMADOR COUNTY - Probate, 1854-1921*, Naturalization, 1854-1950*, Deeds, 1886-1901*, Homesteads, 1860-1936*, Marriage, 1905-1925*, Great Register, 1866, 1880-1896*

BUTTE COUNTY - Probate, 1850-1918*, Naturalization, 1850-1930*, Deeds, 1850-1910*, Homesteads, 1860-1927*, Birth, 1873-1918*, Death, 1888-1939*, Marriage, 1851-1933, 1949-1959*, Great Register, 1866-1909*

COLUSA COUNTY** - Probate, 1851-1930*, Naturalization, 1855-1930*, Deeds, 1844-1911*, Homesteads, 1861-1927*, Death, 1878-1921*, Marriage, 1907-1922*, Declaration of Intention, 1866-1909

CONTRA COSTA COUNTY - Miscellaneous, 1873-1908#

EL DORADO COUNTY - Probate, 1850-1920*, Bonds, Letters and Wills, 1867-1920*, Naturalization, 1850-1986*, Deeds, 1851-1902*, Homesteads, 1860-1937*, Birth, 1878-1922*, Death, 1907-1928*, Marriage, 1859-1932*

FRESNO COUNTY - Probate, 1880-1920*, Naturalization, 1856-1934*, Deeds, 1875-1900*, Birth, 1873-1950*, Death, 1878-1950*, Marriage, 1856-1919*

GLENN COUNTY - County, Judicial and Superior Court, 1891-1973

HUMBOLDT COUNTY - Probate, 1853-1898*, County, Judicial and Superior Court, 1853-1883

IMPERIAL COUNTY - Deeds, 1851-1907*, Marriage, 1903-1923*

MARIN COUNTY - Probate, 1850-1924*, County, Judicial and Superior Court, 1850-1939, Bonds, Letters and Wills, 1853-1914*, Marriage, 1873-1936 (1873-1919*), Great Register, 1866-1908*, Miscelleaneous, 1870-1950#

MARIPOSA COUNTY - Miscellaneous, 1866-1892#

MENDOCINO COUNTY - Probate, 1854-1942 (1854-1922*), County, Judicial, and Superior Court, 1858-1901, Miscellaeous, 1858-1967#

NAPA COUNTY - Probate, 1851-1919*, Bonds, Letters and Wills, 1849-1919*, Naturalization, 1856-1939*, Marriage, 1893-1939*, Declration of Intention, 1856-1936*

CITY OF NAPA - Assessment Books, 1890-1969

NEVADA COUNTY - Probate, 1880-1924*, Townsite Notes, n.d.

ORANGE COUNTY - Naturalization, 1889-1944*, Homesteads, 1889-1926*

PLACER COUNTY - Probate, 1850-1937*, Bonds, Letters, and Wills, 1879-1929*, Naturalization, 1852-1986*, Deeds, 1851-1907*, Homesteads, 1861-1920*, Marriage, 1852-1938*, Declaration of Intention, 1863-1926*

SACRAMENTO COUNTY - County Court Index, 1850-1879*

SAN DIEGO COUNTY - Probate, 1886-1918*, Wills, 1880-1920*

SANTA BARBARA COUNTY - Probate, 1862*, Wills, 1852-1936*, Naturalization, 1856-1939*, Deeds, 1844-1922* Homesteads, (dates unknown) Declaration of Intention, 1850-1906*

SANTA CLARA COUNTY - Probate, 1850-1920*, Wills, 1866-1912*, Birth, 1873-1905*, Death, 1873-1905*, Marriage, 1846-1919*, Index to Obituaries, 1877-1901*, Declarations of Intention, 1850-1930*

SIERRA COUNTY - Assessors Map, 1966

SONOMA COUNTY - Probate, 1857-1921*, County, Judicial and Superior Court, 1848-1906, Wills, 1852-1955*, Naturalization, 1850-1903*, Declaration Of Intention, 1891-1935*

STANISLAUS COUONTY - Probate, 1854-1941*, Bonds, Letters, and Wills, 1911-1921*, Naturalization, 1856-1978*, Deeds, 1854-1902*, Homesteads, 1860-1904*, Birth, 1873-1905*, Marriage, 1854-1920*, Declaration of Intention, 1854-1976*

SUTTER COUNTY** - Probate, 1872-1926*, County, Judicial and Superior Court, 1871-1927, Naturalization, 1854-1927*, Deeds, 1849-1904*, Homesteads, 1851-1937*, Birth, 1905-1926*, Death, 1905-1921*, Marriage, 1889-1930*

TULARE COUNTY - Deeds, 1854-1913, Homesteads, 1879-1923

YOLO COUNTY** - Probate, 1850-1923*, Naturalization, 1850-1941*, Deeds, 1874-1901*, Homesteads, 1861-1914*, Death, 1863-1913*, Marriage, 1906-1920*

YUBA COUNTY** - Probate, 1850-1932*, Naturalization, 1851-1941*, Deeds, 1888-1906*, Marriage, 1897-1923*, Miscellaneous, 1850-1927#