According to our records, this business is located at 30 E Washington St. in Petaluma (in Sonoma County), California 94952, the location GPS coordinates are: 38.2361445 (latitude), -122.6396856 (longitude). Washington Mutual Bank is categorized under Savings and Loan Associations (SIC code 6035). Known organization branch manager is Elizabeth Try. You can contact the company by phone at (707) 763-4672.