You can update your residential or mailing address online or by mail up to 8 days before an election or in-person through Election day. If you mail a registration update, it must be received, not postmarked, by the 8 day deadline.
Moving within King County
You can update your address online, by email, over the phone, by mail, or in-person.
Online
You can change your address online, 24 hours a day, at the Washington Secretary of State's registration website. You will need to make the change online at least 8 days in advance of the next election.
To make address changes online, you will need either a:
- current Washington State driver license, or
- current Washington State ID card
- last 4 digits of Social Security Number
If you do not have either of these, you can still change your address by mail or in-person.
Email our office with the following information:
- Your name
- Date of birth
- Old residential and mailing address
- New residential and mailing address
You will need to make the change online at least 8 days in advance of the next election.
Phone
Call our office at 206-296-8683 during business hours. You will need to make the change online at least 8 days in advance of the next election.
By mail
Download and print a voter registration form from the Secretary of State. Forms are available in many languages. We need to receive the address change at least 8 days in advance of the next election so plan to mail it in early.
Mail your completed form to:
King County Elections
919 SW Grady Way, Suite 100
Renton, WA 98057
In-person
You can change your address in-person through election day at:
King County Elections Office
919 SW Grady Way, Suite 100
Renton, WA 98057
You can also change your address in-person at a vote center or at one of our community events.
Moving to another county in Washington
There are three ways to register to vote with your new county.
Online
Update your information online, 24-hours a day at the Secretary of State’s website. You will need one of the following:
- A current Washington State driver license
- A current Washington State ID card
- Last 4 digits of Social Security Number
Download and print a voter registration form and mail it to your new county's elections office. Forms are available in many languages.
Visit the Washington State Secretary of State's website to download the voter registration form
In-person
Visit your new county's elections department
Moving out of Washington State
Register to vote in your new state, then cancel your registration in King County.