According to our records, this business is located at 1720 Marsh Rd # A in Wilmington (in New Castle County), Delaware 19810, the location GPS coordinates are: 39.8016775 (latitude), -75.5061787 (longitude). H & R Block Tax Service is categorized under Tax Return Preparation and Filing (SIC code 7291). Known organization manager is Marilyn Morgan. Current estimates show that the unit has a sales volume of $285,000 and staff of approximately 15 people. You can contact the company by phone at (302) 478-9140; the following fax number is also provided: (302) 479-5386.