According to our records, this business is located at 6040 Jones Ave. in Riverside (in Riverside County), California 92505, the location GPS coordinates are: 33.942466 (latitude), -117.481935 (longitude). Harmon Computer Service is categorized under Computer Cleaning (SIC code 7378). Known organization owner is David Harmon. You can contact the company by phone at (951) 359-5188.