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Baltimore, MD

(410) 653-9568

Welcome to A-1 Security Systems Baltimore

For over twenty years we have served the Baltimore Metro, Washington D.C. and Northern Virginia area.

24/7 U/L Alarm Monitoring

  • We can monitor any system with or without phone line
  • Monitoring Burglar Fire Carbon Monoxide Medical
  • Monitor Shopping Centers
  • Video Surveillance Monitoring Direct to Monitoring Station
  • Monitoring for High Secure Service Area Inside and Out
  • License Plate Monitoring
UL Listed

Save money as well as your home
A residential fire alarm system from A-1 Security Systems can provide you with a discount from your insurance company. Just another reason to put your trust in us.