Advanced security solutions, tailored just for you.
Post Alarm pairs generations of experience with the latest in security technology and rapid patrol response for unparalleled peace of mind and protection. As one of the only local, full-service security organizations in the Southern California area, Post Alarm provides solutions including:
Protecting Southern California Communities
With local alarm monitoring and patrol, help is right around the corner.
What sets Post Alarm apart from other Southern California security companies is our local monitoring. Since we own and operate our own in-house U.L. Central Monitoring Station, that means our team members personally monitor alarms from every one of our Southern California clients’ systems.
Through continual innovation and growth, we’ve led the way in advancing security technology offerings to our customers while keeping our core values solidly in place. Today, Post Alarm has over 125 local team members from Beverly Hills to Santa Clarita, who still provide the level of client service that has been associated with our company since its inception.
Learn MoreWhy Choose Us
The proof is with Post.
Integrated Security Solutions
Fully integrated security solutions resulting in earlier threat detection and synchronized response, getting you faster help when it matters most.
24/7 Local Alarm Monitoring
Our locally based UL Central Monitoring Station is the fundamental hub of our security services, and our advanced alarm panels keep your system in constant communication.
We Live Here Too
Post Alarm has been family-owned and locally operated and serviced since 1956. We know how important it is to protect the neighborhoods we call home.
Your Safety, Your Way
We take pride in tailoring alarm systems to your specific needs. From installation to ongoing support, our team provides professional, knowledgeable, and prompt service.
The Post Alarm Advantage
Peace of mind and protection, from our family to yours.
Post Alarm has always been a local, family-owned company, and we plan on staying that way. As a privately held, third generation family business, Post has provided Alarm and Patrol Services to communities, neighborhoods, and homeowners since 1956.
Our family founded Post Alarm on a passion for protecting people and the neighborhoods we call home. We take pride in our long tradition of providing uncompromising service to protect clients and their homes, families, and businesses while extending our family-style commitment and care to every customer we serve.
Our HistoryPost Patrol
Learn more about our award-winning patrol services.
See why our customers rate us #1
Read our 5-star reviews on Yelp & Google.
Areas We Serve
Proudly protecting communities across Southern California.
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Arcadia
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Bel Air
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Beverly Hills
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Beverlywood
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Hollywood Hills
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Los Angeles
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Los Feliz
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Malibu
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Monrovia
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Montecito
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Pacific Palisades
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Palos Verdes Estates
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Pasadena
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Rancho Palos Verdes
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Santa Barbara
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Santa Monica
- See More