Washington Name Change Instructions (PDF) is a comprehensive guide to changing a person's name in Washington State. It provides detailed instructions on how to change a name on official documents such as driver's licenses, Social Security cards, and birth certificates, as well as the necessary forms and information needed to complete the process. The guide also explains the process and cost of filing a name change petition with the court, as well as how to obtain new official documents after the name change is approved. There are two types of Washington Name Change Instructions (PDF): adult name change instructions and minor name change instructions. The adult name change instructions include information on filing a name change petition with the court as well as obtaining updated documents, while the minor name change instructions explain the additional steps required to petition for a minor name change.