According to our records, this business is located at 2420 E 28th St. in Signal Hill (in Los Angeles County), California 90755, the location GPS coordinates are: 33.8077106 (latitude), -118.1624767 (longitude). Do-It-Yourself Alarm Supplies is categorized under Antennas, Receiving, Satellite Dishes (SIC code 5063). Current estimates show that the unit has a sales volume of $3,290,000 and staff of approximately 5 people. You can contact the company by phone at (562) 424-3306.