Registered Voters as of 05/21/2013 Democrat: 261,917 Republican: 130,557 Other: 135,692 Total: 528,166

Change of Address - Military and Overseas Voters

In order for us to comply with federal law, we are providing a link below to the Federal Post Card Application.
Please complete all sections, print the form, sign the form, and return it to us at your earliest convenience.


There are three ways you can return this form to us:

  1. Fax – Our fax number is 1.925.335.7843. Please, check your local telephone directory assistance to use the correct country code for the United States.
  2. Mail – Our mailing address is 555 Escobar St., Martinez, CA 94553
  3. Email – Our email address is voter.services@vote.cccounty.us – Please enter MOV Update in the subject line if emailing


Here is the link to the form: FPCA pdf form.


If you need more information, please give us a call.

  1. Our toll free number for domestic calls is 877.335.7802, select language option, then option 2.
  2. Our regular number for non-domestic calls is 925.335.7871.