According to our records, this business is located at 3834 LA Sierra Ave. in Riverside (in Riverside County), California 92505, the location GPS coordinates are: 33.9041634 (latitude), -117.4768899 (longitude). H & R Block Tax Service is categorized under Tax Return Preparation and Filing (SIC code 7291). Known organization manager is Jan Crime S. Current estimates show that the unit has a sales volume of $304,000 and staff of approximately 16 people. You can contact the company by phone at (951) 689-4702.