All voters are required by law to show identification in order to vote in-person. RCW 29A.44.205
Acceptable forms of identification
Driver’s license
State issued identification card
Student identification card
Tribal identification card
Voter registration card
Current utility bill
Recent bank statement
Paycheck
Government check
Other government document
Any form of valid photo identification with the voter’s name on it
First ID check voters
A King County voter registration card cannot be used as proof of identification for “First ID Check” voters.
All other acceptable forms of identification can be used.