Latitude - Longitude locations of all the parcels in Alameda County as of 6/23/2017. Use Sort Parcel as your key field to merge with other Assessor data. Standard used is State Plane Coordinate System.
Assessor's Office Secured Roll for 2014/2015.
Secured Roll file with ownership names redacted: Assessed property values for the Alameda County residential and commercial properties as of March 8, 2015.