Safe Families.
Since 1956.

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.

Your Everyday Partner In Home Security

Our mission is to give you peace of mind knowing you have the security protection in place to keep your home and your family safe. From the people we hire to the systems we install, every aspect of our business is designed to protect what is most valuable to you.

We customize all of our security systems to meet the specific needs of our clients. Every job is done by a member of our in-house team—with no subcontractors of any kind. It just one way we can ensure that every aspect of your security system experience—from sales to installation to monitoring—meets the Post Alarm standard of quality.

Customized Systems

We get to know your security needs and budget to design a security system that helps to protect what you value most while providing you with peace of mind.

Flexible Contract Options

Unlike most of our competition, Post Alarm offers flexible contract opportunities that range from month-to-month up to 3 years depending on our client’s needs. For our month-to-month clients, we are so confident of providing excellent service that we offer the option to cancel at any time.

High Standard Of Quality

Unlike most other companies in our industry that use subcontractors or 3rd party monitoring stations, we do everything in-house, which allows us to make sure we provide over-the-top service.

“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

Request An Estimate

Our unique security analysis process provides

a personalized plan for your family’s needs.

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