About Us

Custom Alarm is a locally owned and operated, security-minded company located in Rochester, MN. We began in 1968 with only three employees and have grown into a team of over 60 employees! We are dedicated to taking care of the customer, specializing in:

  • Fire alarm systems
  • Intrusion
  • Video surveillance
  • Access control for both residential and commercial owners
  • Our own UL listed Monitoring Response Center.

Custom Alarm is the award-winning, community-involved company you can trust to have your back in all areas of security. We’ve provided peace of mind since 1968.