According to our records, this business is located at 3709 Kennett Pike in Wilmington (in New Castle County), Delaware 19807, the location GPS coordinates are: 39.775566 (latitude), -75.594592 (longitude). Washington Mutual is categorized under Banks (SIC code 6021). The company employs
approximately 18 people. You can contact the company by phone at (302) 652-3236; the following fax number is also provided: (302) 652-6413.