According to our records, this business is located at PO Box 33398 in Granada Hills (in Los Angeles County), California 91394, the location GPS coordinates are: 34.2793576 (latitude), -118.5021527 (longitude). Underwriting Data Service is categorized under Web Design and Web Development (SIC code 7374). Known organization president is J R Henderson. Current estimates show that the unit has a sales volume of $459,000 and staff of approximately 3 people. You can contact the company by phone at (818) 831-1374; the following fax number is also provided: (818) 831-6708.