To register to vote in the state of Washington, you must be:
A citizen of the United States
A resident of Washington state
At least 18 years old
If you are 16 or 17, you can sign up as a Future Voter and be automatically registered to vote when you qualify
Not disqualified from voting due to a court order
Not currently serving a sentence of total confinement in prison under the jurisdiction of the department of corrections for a Washington felony conviction
Not currently incarcerated for a federal or out-of-state felony conviction