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Register to vote

Find out how to register to vote online, by mail, or in person.

You can register to vote online or by mail until 8 days before an election. Registrations done by mail need to be received, not postmarked, by the 8-day deadline.

You can register in-person through election day.

Online

You can register online, 24 hours a day, at the Washington Secretary of State's website. You will need to register online at least 8 days in advance of the next election. 

To register online, you will need either:

  • A current Washington State driver license, or
  • A current Washington State ID card, or
  • Last 4 digits of Social Security Number

If you do not have either of these, you can still register by mail or in-person.

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 registration at least 8 days in advance of the next election so plan to mail in early.

Mail your completed form to:

King County Elections
919 SW Grady Way, Suite 100
Renton, WA 98057

In-person

You can register to vote in-person at the King County Elections Office in Renton.

The elections office address is:

919 SW Grady Way, Suite 100
Renton, WA 98057

You can also register to vote in-person at a vote center or at one of our community events.

Watch our video about registering to vote in King County

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