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Sonoma County Assessor's Office records, 1873-1998
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Collection Overview
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This collection contains records created by the Sonoma County (Calif.) Assessor's Office. Records include documents pertaining to road and property taxes; land assessments, including geothermal issues. records include: Assessment book of the property of Petaluma road district for the year 1874-75. Record of delinquent taxpayers and sales of property for delinquent taxes for 1874-75. Records necessary to value geothermal rights. Includes geological, historical, and valuation information, appraisal and appeal documents, correspondence, etc. File of current and historical data for rural, residential and commercial properties.
59 volumes; 8 microfilm reels; 26 boxes
Property rights reside with the Sonoma County Library. The Sonoma County Library has made this collection available and believes that the collection is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Collection may not be in the Public Domain under the laws of other countries. Preferred credit line is: Courtesy, the Sonoma County Library. Please see additional reproduction and reuse information at
Materials stored offsite, but collection is open to research. In many cases, further details on individual volumes can be found by calling staff at the Sonoma County History and Genealogy Library. To view these materials, please call staff at to request they be brought from the Archives to the Library