How old Does One Need to be to Bartend in WashingtonYou must be 21 to sell alcohol in Washington.
You must be 18 to Serve Alcohol in Washington.
You must be 21 to Serve Alcohol in Washington.
For verification of these minimum ages to bartend in Washington, you are encouraged to contact the state liquor board or beverage control agency in Washington. The contact information for the Washington State Liquor Control Board is listed below.
Washington State Liquor Control Board
Phone: Phone: (360) 664-1600