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Image of the Mark Green Sports Center in Union City.

Main Office

Alameda County Assessor’s Office
1221 Oak Street, Room 145
Oakland CA, 94612

Business Personal Property

125 12th Street, Suite 320
Oakland CA, 94607

Dublin Satellite Office

7600 Dublin Blvd, #270
Dublin, CA 94568

Main: (510) 272-3787

BPP: (510) 272-3836

Boats & Aircraft: (510) 272-3838

Toll Free: (800) 660-7725

Business Personal Property: AssessorBPP@acgov.org

Boats & Aircraft:

Oakland Offices – 9:00 AM to 4:30PM Monday – Friday except for holidays

Dublin Satellite Office – 9:00 AM to 4:30PM Monday through Thursday except for holidays