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Post Alarm leverages the latest business and home security technology to keep you safe—a promise we take seriously as a responsive, family-run business right in your neighborhood.

Contact Information

Corporate Offices
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

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“I highly recommend Post Alarm to any homeowner considering an alarm system. The people, service and products are second to none!”

- Brian

“Safety is ultimately up to you. The best you can do is harden the target. That’s what Post Alarm provides. They are a minute away. Post Alarm is a brand known and respected.”

- Glenn

“What I love most about Post Alarm is their ability to accommodate our business needs.”

- Tammy

“I’ve been a Post Alarm customer for over 40 years, and have never had a complaint or fault with any of their services.”

- Robert