Back in 1956, former Chief of Police Sam Post founded a company dedicated to service. Today, our commitment continues as a full service security company, specializing in the installation, service and monitoring of security and fire alarm systems.

Some of our specialized services include:
Intrusion detection systems Fire protection systems Access control systems In-house monitoring Digital video surveillance	Cellular monitoring Loss prevention consulting Neighborhood patrol Armed response Web Viewing

At Post Alarm Systems, we are proud to be one of the oldest and most respected privately held firms in California dedicated to customer satisfaction and long-term client relationships. With over 50 years of experience, you can count on us for quality installation, state-of-the art monitoring and armed security patrol services.