Image of the Rolling Hills in Livermore.

Contact Us

NOTE: OUR PUBLIC COUNTERS ARE CURRENTLY CLOSED. PLEASE CALL OR EMAIL US INSTEAD.

Our business hours are from 8:30 AM to 5:00 PM Monday through Friday except for holidays. 

Feel free to email us anytime at AssessorWebResponse@acgov.org. If your questions are specific to Business Personal Property, please email AssessorBPP@acgov.org. We will respond to you in a timely manner.

 

Office Section Phone Number Fax Number Email
Assessor’s Office – Public Inquiry 1221 Oak Street, Room 145, Oakland CA, 94612 (510) 272-3787 (510) 272-3803 AssessorWebResponse@acgov.org
Business Personal Property Office Located at: 125 12th Street, Suite 320, Oakland CA, 94607 (510) 272-3836 (510) 891-5542 AssessorBPP@acgov.org
Assessment Roll (510) 272-3800 ARoll@acgov.org 
Exemptions – Homeowners (510) 272-3770 (510) 272-3803 AssessorWebResponse@acgov.org
Exemptions – Other (510) 272-6587 (510) 272-3803 Exemptions@acgov.org 
Mapping (510) 208-4878 N/A N/A
South County Toll-Free (800) 660-7725 (510) 272-3803 N/A

Our Office Leadership

Attention!Public Counter Closure

Due to the Covid-19 pandemic and public health concerns, the Assessor's Office is temporarily closing our public counters until further notice for both your and our staff's protection. It is important that we eliminate personal contact whenever possible to fight the spread of the virus. Our technicians are still available to provide assistance via telephone from 8:30AM-5:00PM Monday through Friday.

If you need to drop-off documents, please leave them in the box provided and staff will retrieve them promptly to protect confidentiality.

We sincerely appreciate your understanding and patience during this most difficult time.