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General & Ownership Information
(510) 272-3787

Business Personal Property:
(510) 272-3836

Our business hours are from 8:30AM to 5:00PM Monday through Friday except for holidays

Data for Sale Fee Schedule

Much of the information required to be kept or prepared by the Assessor is available to the public for viewing at our self-service public information computers at no cost. Property characteristics, which are developed for assessment purposes, may be purchased by the public. Bulk data, such as a full set of the Assessor’s maps, or the entire assessment roll is also available for purchase.


The Assessor's Office is required, by State law and County Ordinance, to set fees at an amount that allows us to capture the full cost of providing these services without profiting from the sale. Please Call (510) 272-3787 with questions about purchasing Assessor’s data. Click here to view our current fee schedule.


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