LA neighborhood with ACS Security patrol services car in front


Peace of mind is a quick click away…

Why Choose ACS Security?

As a premier home and business security provider since 1984, ACS offers all the protection you need from one source. Based in Bel Air, we are one of the only local providers that monitors, dispatches, and responds to alarms. This means expedited service for you and the nearly 20,000 customers across more than 40 communities that we serve. Our comprehensive and customizable security services incude:

We Have Los Angeles Security Services Covered

Security officer protecting home with walkie talkie

Unsurpassed residential burglar and fire alarm installation

Experienced and friendly 24-hour neighborhood patrol

24/7 local residential alarm monitoring and rapid response

State of the art technology and customizable Smart Home Automation options

Closed-circuit cameras with digital recording equipment

U.L. Accredited, state of the art technology and equipment for all security and power systems

Dedicated local management endorsed by your trusted homeowner associations


Just had a new security system installed. I picked ACS and have been very pleased with the company and their agent.

Karen P. – Los Angeles, CA


Can only give the highest recommendation for ACS as a company. They are doing it right.

Anthony C. – Whittier, CA


Very professional and courteous. The whole process from our initial consultation until installation took only 5 days.

Lee K. – Los Angeles, CA


If you happen to be looking at security monitoring companies I think giving ACS a call is a good option.

Evan O. – Santa Monica, CA


We switched to ACS security for our home a few months ago and we couldn’t be happier…Highly recommend it.

Ziba C. – Los Angeles, CA


We have ACS monitoring as well as Armed Patrol. I have to say, they really do care about their customers.

Laura A. – Sherman Oaks, CA


ACS has provided excellent service on the consult and installation, good pricing, and my experience was stellar.

Michael J. – Santa Monica, CA


Just starting out with ACS and so far everything has been smooth and professional. I like their system.

Alison O. – Santa Monica, CA


ACS is a great security company for all your security needs. Armed alarm response and installations.

David C. – Los Angeles, CA


Their response time is unmatched and the peace of mind is with out a doubt worth the price.

Dylan K. – Los Angeles, CA