When applying for benefits through the Washington State Department of Social and Health Services, it is important to be prepared with the necessary documentation to ensure a smooth application process. Generally, applicants may need to provide identification, proof of residence, and financial information. This could include documents such as a driver's license or state identification card, recent pay stubs or proof of income, and bank statements. Additionally, applicants may need to submit information regarding household members, such as Social Security numbers and any relevant legal documents, such as custody agreements or immigration paperwork if applicable. It may also be helpful to have documentation of any medical conditions if applying for health-related benefits. It is advisable to check the most current information on the Washington DSHS website to ensure you have all required documents, as requirements can vary based on the specific benefits being requested.