Washington Mutual Bank is located on 4300 Lone Tree Way in Antioch. Washington Mutual Bank offers a number of products and services, which include Child Savings Accounts, Keogh Accounts, Checking Accounts, Certificates of Deposit, Loans, IRAs, ATM, Teleloan, Vehicle, Money Market Accounts, ATMs, CDs, Free Checking, 401K, Online Banking, Insurance, Savings Accounts, Adjustable Rates, Credit Union Accounts, Senior Accounts, Commercial, No Service Charges, Travelers Checks, Savings Accounts, Money Market Accounts, Banking Services, Residential Services, Direct Deposit, Commercial Services, Online Banking, Checking Accounts, IRA Accounts, Residential . Washington Mutual Bank can be reached by phone by calling (925) 779-3100 . Washington Mutual Bank has a single review on MojoPages.com, and it's a negative review.