According to our records, this business is located at 1925 W Temple St. in Los Angeles (in Los Angeles County), California 90026, the location GPS coordinates are: 34.0699178 (latitude), -118.265807 (longitude). Master Security Service is categorized under Antennas, Receiving, Satellite Dishes (SIC code 5063). Current estimates show that the unit has a sales volume of $3,948,000 and staff of approximately 6 people. You can contact the company by phone at (213) 484-4094.