• FREE CONSULTATION! 617-532-1013

Sentry Protective Systems can provide service and monitoring for most security systems installed by others.

  • Sentry provides UL Listed central station monitoring for burglary, fire and other emergency situations like low temperature and flood conditions.
  • Sentry provides flexible payment options including discounts for yearly billed services, automatic electronic payment services, credit card payment services and standard billing.
  • Sentry offers superior service and monitoring services. We are proud to be independently owned and operated.

Sentry Total Connect

Existing clients click below to login:


Have a security system installed by others?

Yes, Sentry can service and monitor your system

Learn More

Request For Service

Call us now at (617) 532-1013.

Contact Us