Parcel Boundaries in Alameda County.

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.

Parcel Boundaries in Alameda County. Last upload on 2/17/2016.

Two Year Transfer List As Of July 8, 2018.
Ownership transfer records for Alameda County residential and commercial properties for the past 2 years.

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.

Defaulted Properties by Year/City/Zipcode as of Feb 26, 2016

Parcels subdivided, merged or voided for the 2016-2017 roll.

Assessor's Office Secured Roll for 2015/2016. Secured Roll file with ownership names redacted: Assessed property values for the Alameda County residential and commercial properties as of July 1, 2015.

Properties on the 2013/2014 Secured Roll that receive special assessment treatment due to Revenue & Taxation Code 439.

Summarizes the Secured, Unsecured and State Utilities values by Tax Rate Area (TRA) broken out by Land, Improvements, Fixtures, Business Personal Property, Household Personal Property, Home Owner Exemption, Other Exemptions and Net Assessed Values.