Alameda County Assessor
  • Home
  • About Us
    • Meet the Assessor
    • Office Locations
    • Customer Service Evaluation
    • Staff Photos
  • Homeowners
    • About Property Assessment
    • Assessment Resources
    • Decrease Your Assessment
      • Assessment Reductions
        • Decline in Value Review (Prop. 8)
        • Disaster Relief
        • Assessment Appeals
      • Exemptions
        • What is an Exemption?
        • Homeowner’s Exemption
        • Other Exemptions
      • Exclusions
        • What is an Exclusion?
        • Change in Ownership Exclusions
        • New Construction Exclusions
      • Transfer Your Tax Base
        • Senior Citizens & Disabled Person(s)
        • Acquisition by Public Entity
        • Contaminated Property
    • Use Codes
  • Business Owners
    • General Information
      • Frequently Asked Questions
      • Filing the Form 571-L
      • Address Change
    • Boats/Vessels
    • Non Commercial (Private) Aircraft
    • Racehorses
    • Use Codes
  • Media
    • Press Releases
    • Annual Reports
    • Newsletters
    • Videos
  • Contact Us
  • Forms
Select Page

Image of the Mark Green Sports Center in Union City.

  • Annual Reports
  • Newsletters
  • Press Releases
  • Videos

Videos

2020 Homeowners’ Expo

Address

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, 94612

Phone

Main: (510) 272-3787
BPP: (510) 272-3836
Toll Free: (800) 660-7725

Email

General Inquiries: AssessorWebResponse@acgov.org

Business Personal Property: AssessorBPP@acgov.org

Hours of Operation

8:30 AM to 5:00PM Monday – Friday except for holidays.

Legal / Disclaimers

Alameda County © 2020 • All Rights Reserved • Legal / Disclaimers • Accessibility

Alameda County Assessor's Office