Sonoma County Library

 

Family of Hop Pickers - photo from Annex collectionSonoma County History and Genealogy Library

The Sonoma County Library's local history and genealogy materials are housed in the Annex, a building located directly behind the Central Santa Rosa Library.

Local History and Genealogy Annex
Sonoma County Library

211 E St
Santa Rosa 95404

(Behind Central Library, corner of Third & E Streets)
(707) 545-0831 ext. 1562
Hours:

  • Wednesday 10 a.m. – 8 p.m.
  • Thursday 10 a.m. – 6 p.m.
  • Friday 10 a.m. – 6 p.m.
  • Saturday 10 a.m. – 4 p.m.

Map of Santa Rosa with the Central Library Starred

Sonoma County History & Genealogy Library brochure

What's new at the Annex? Find out on the Local History & Genealogy blog
News, highlights of our collections of photographs and postcards, historical notes.

 

Latest Additions to our online services

  • GenealogyBank - Genealogy Library only
    Find local news from small-town newspapers dating as far back as 1690. Research in local histories, military records, and other hard-to-find documentation of family history.
  • San Francisco Chronicle 1865-1922 - Genealogy Library only
    Search through the full text of early issues, and see exact copies of the articles as printed on the original pages of the Chronicle.
  • Sonoma Heritage Collections
    Albums of photographs, maps, postcards, and more from the collections of the Library, the Sonoma County Archives, and the Sonoma County Fair.
  • Guides to Archives
    Research Sonoma County history in the archives! Use these guides to locate and identify Sonoma County Archives historical sources for your research.

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Local History Resources

Books at the Annex
Several thousand books on Sonoma County History, most of which have been indexed in the below index. The books can also be searched by title, author, and subject in the main Library Catalog.

Sonoma County Historical Society
Local group works on preservation activities and publishes monographs and a quarterly journal.

Sonoma County Local History Index
The Sonoma County History Index - a database searchable by subject (places, names, events, etc.) - is a Sonoma County local history researcher's tool of first choice. It is a detailed index to names, places, and events contained in the several thousand books in the local history collection.

Sonoma County Records
Includes deeds, mortages, wills and probate records, assessments of property, voter registration, oaths of office, surveys, maps, corporation records, business licenses and more. Most materials are stored at the Sonoma County Archives and must be brought from the Archives to the Library for your use. Call 545-0831, ext. 562, with any questions, or to request materials. Please allow five business days for volumes to be delivered to the library.

Obituaries at the Annex
Selected index to Sonoma County obituaries from 1855-1912.

Newspapers at the Annex
Sonoma County Newspapers from 1857 on.

Census at the Annex
U.S. Census for California 1850 to 1920; Indexes for other states and Canada from 1790 on.

City Directories at the Annex
California city directories from 1850 on; Sonoma County Directories from 1874 on.

Materials for Researching a Sonoma County house
include city directories, published histories, newspapers, maps

Photographs
Tens of thousands of photographs of Sonoma County's rich history. Most are listed in our library catalog and many have been scanned for online viewing. High-quality photographic reproductions are available for all of these photographs. Some of these images have been collected and are available for sale in a book titled Treasures of the Sonoma County Library Photographic Collection. Call or visit the Sonoma County History and Genealogy Library to order a copy.
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Genealogy Resources

Core subscription research databases

  • HeritageQuest
    Available at the History and Genealogy Library and all branches of the Sonoma County Library. You may also use it from home with your library card number. More information
  • Ancestry - in Library only
    Available at the History and Genealogy Library and all branches of the Sonoma County Library. More information
  • GenealogyBank - Genealogy Library only
    Find local news from small-town newspapers dating as far back as 1690. Research in local histories, military records, and other hard-to-find documentation of family history.
  • San Francisco Chronicle 1865-1922 - Genealogy Library only

Genealogy at the Annex

Genealogy Web Resources

Genealogy Libraries and Archives

Genealogy Workshops
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