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About Post Alarm

Since 1956, Post Alarm Systems has been keeping the people of Southern California safe with custom home and business security solutions. We have a long family tradition of providing uncompromising service focused on protecting our clients, their families, and their properties.

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Contact Us

Corporate Office
47 East Saint Joseph Street
Arcadia, CA 91006

Sales Inquiries: (877) 432-9629
Central Station: (800) 654-7678
Local: (626) 446-7159
Fax: (626) 446-5811