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Post Alarm leverages the latest home security technology to keep your family safe—a promise we take seriously as a responsive, family-run business right in your neighborhood.
Complete commercial, home security & alarm monitoring in Los Angeles, Orange County, and SoCal since 1956.
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
“I highly recommend Post Alarm to any homeowner considering an alarm system. The people, service and products are second to none!”
“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.”
“What I love most about Post Alarm is their ability to accommodate our business needs.”
“I’ve been a Post Alarm customer for over 40 years, and have never had a complaint or fault with any of their services.”