Shields up.
Since 1956.®
We've been in the security business for over 60 years and we've seen firsthand the happiness that comes when our clients feel safe in their homes and business. That's why we offer custom designed, interactive security solutions with leading technologies and service.
SHOP OPTIONSPATROL ACTIVE
Choose Your System
Up The Street
We are deeply committed to the communities we share. We live and work right here, just like you.
Smart Integration
The most cutting edge technology available allows you to check in and feel secure, wherever you are, any time of day or night.
Family Promise
Our family founded Post Alarm to protect the neighborhoods we call home. For over three generations, keeping our customers and their families safe has been our highest priority.
Read Our 5-Star Reviews on Yelp.
Tiffany J.
Irvine, CA
out of 5 stars
Post Alarm connects to my smart phone, so I can arm and disarm from anywhere! This is so futuristic! I'm totally in love.
Ashley A.
Los Angeles, CA
out of 5 stars
Post is absolutely outstanding and a must for all home and business owners. My family has used Post for almost 20 years and I recently installed Post in my new home. The installation process was easy, and efficient.