You can get a marriage license at the Franklin County Auditor's office, located at 1016 N 4th Avenue, Pasco, WA 99301, Monday through Friday, 8:30 am to 4:30 pm.
The cost is $58, and the license must be purchased at least 3 days in advance of the wedding. The license is then good for 60 days.
To verify the current Marriage License fee, call the Recording Department in the Auditor's Office at 509-545-3536.