To qualify for a Washington Mutual credit card, applicants typically need to meet several key eligibility requirements. Firstly, individuals must be at least eighteen years old and a United States resident. A valid Social Security number is usually required as part of the application. Secondly, applicants should have an established credit history and a good credit score, as this plays a significant role in the approval process. Financial stability, which is often assessed through income and employment history, is also important. Washington Mutual Card Services may take into account the applicant's debt-to-income ratio, which measures overall financial health. Furthermore, some cards may have specific income or credit score thresholds that differ based on the type of card being applied for. It is a good idea for potential applicants to visit the official Washington Mutual website for the most current information regarding eligibility and specific card offerings, as these may vary.