Contact Us



For the latest updates, visit our Public Health Department website.

For questions about vaccines and vaccinations, read Public Health's FAQ's.

If you still have a question about coronavirus, email our Public Health Department.

If you have a compliance concern, email the Sheriff's Office.

Most Popular Topics

Below you will find the most common topics customers contact us about. So before you email us, we might have your answer below.

Search Our Website

Almost every question we receive could have been answered by using our website search. Try it out. It's the big search box at the top of the page.

Department Contacts

If you know which department you need to contact, we have all department contact information listed here.

Be Social

Alameda County is committed to open government and citizen engagement. Connect with us through Facebook or Twitter.

Technical Problem

If you are having a technical issue with our website, please email our web team so they can fix it.

Email Us

If you still haven't found an answer or you need to contact us for another reason, please email us.


County of Alameda
Administration Building
1221 Oak Street, Suite 555
Oakland, CA 94612

* County offices will be closed on these holidays.


For County assistance, please call 510.208.9770 for a menu of County Agencies and Departments.

You can also lookup telephone numbers in the County Telephone Directory.