We will follow up with you as soon as possible!

If you would like to speak with someone now, please contact us by phone at 800-654-7678.

We also welcome your visit to our office in Arcadia, California, where we operate our UL listed Central Station that monitors clients’ alarms 24 hours a day.

Contact Information

Corporate Offices
47 East Saint Joseph Street
Arcadia, CA 91006

Toll Free: 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