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Alameda County Assessor
  • How Do I...?
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    • Find an owner
    • Estimate my supplemental taxes
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Home » How Do I…?

How Do I…?

Quick links to the most common services and tasks. Select an action below to get started.

Look Up a ParcelSearch property records by address or parcel number
Look Up a Property ValueFind assessed values and tax information
Change My Mailing AddressUpdate where your tax bill is sent
Find a FormDownload applications, exemptions, and other forms
Pay My Tax BillMake a payment through the Tax Collector website
Find an OwnerLook up property ownership records
Estimate Supplemental TaxesCalculate potential supplemental tax amounts
Request an AppointmentSchedule a visit with our office

Need More Help?

Our team is here to assist you with any property assessment questions.

Phone: (510) 272-3787

Email: AssessorWebResponse@acgov.org

Contact Us

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, 94607

Dublin Satellite Office

7600 Dublin Blvd, #270
Dublin, CA 94568

Phone

Main: (510) 272-3787

BPP: (510) 272-3836

Boats & Aircraft: (510) 272-3838

Toll Free: (800) 660-7725

Email

General Inquiries: AssessorWebResponse@acgov.org

Business Personal Property: AssessorBPP@acgov.org

Boats & Aircraft: AssessorBoatAircraft@acgov.org

Public Lobby Hours

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

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

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