Service Coverage Area


Protecting California Business Owners & Residents

Sentry Alarm proudly covers the Central Coast, Oakland Bay Area, San Luis Obispo and the Corporate Headquarters located in Monterey. Providing our customers with a wide range of quality security, protection and monitoring services and quality products.

Our coverage area is continuously expanding. If you need service and do not see your community listed, contact us, we may have already expanded into your area.


Contact us online to find out about our service areas.