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King County Elections

King County Elections
919 Southwest Grady Way
Renton, WA 98057-2906

206-296-VOTE (8683)
TTY: Relay: 711
FAX: 206-296-0108

Weekdays 8:30 a.m. - 4:30 p.m.

Registration deadlines and requirements

Who can register to vote?

To register to vote in the state of Washington, you must be:

In the state of Washington, you do not have to register by political party or declare political party membership to vote in the state's regular primaries or general elections.

Registration deadlines

Deadlines differ based on whether or not you have already registered to vote in Washington.

Registered to vote?

Not registered to vote?

Visit the Washington Secretary of State for additional information about deadlines.

Election-specific deadlines for 2015

Election dates and deadlines (includes when ballots are mailed)

Date of Election

Voter registration and
address change/updates deadline

In-person registration deadline for those not currently registered to vote in Washington State*

February 10, 2015

January 12, 2015

February 2, 2015

April 28, 2015

March 30, 2015

April 20, 2015

June 25, 2013

May 25, 2013** - mail-in deadline;
May 27, 2013 - online deadline 

June 17, 2013 

August 4, 2015

July 6, 2015

July 27, 2015

November 3, 2015

October 5, 2015

October 26, 2015

* People not currently registered in the State of Washington have until 8 days before the election to register in-person