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Home Security Systems Costa Mesa, CA

Or build your own system

24/7 professional monitoring starting at under $1/day & first month free

Easy to install yourself or choose optional pro install

Complete control with the SimpliSafe® App

60-day money-back guarantee with free return shipping

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Best Home Security Systems in Costa Mesa, CA

Advanced Security. 24/7 whole home protection. Our agents are ready to dispatch help in any emergency. Sensors that protect every room, window and door. HD security cameras for clear views of Costa Mesa, CA, inside and out, daytime or night. Hazard sensors that detect fires, floods, and other threats to your home, and powerful sirens that can instantly stop intruders in their tracks. Interactive guidance to set the system up yourself or highly trained technicians to do it for you.

The right security system for your home

When it comes to home security, one size doesn’t fit all. Answer a few quick questions and we’ll recommend a system that meets your needs and budget.

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Benefits of SimpliSafe® Security Systems in Costa Mesa, CA

Half the cost of traditional providers

Professional monitoring for less than $1 a day with no long-term contracts or hidden fees.

Powered by Fast Protect 

TechnologyAdvanced technology helps our live, 24/7 monitoring agents quickly verify security threats for priority dispatch and faster police response. *Requires Fast Protect  monitoring plan with video verification

Participating 911 centers get critical alarm data instantly, enabled by RapidSOS

Our integration with RapidSOS technology means our 24/7 monitoring agents can send critical household data instantaneously to participating 911 centers so responders can act more quickly and accurately.

Prepared for the unexpected

Lose power? Lose Wi-Fi? SimpliSafe is ready with battery back up and cellular connectivity.

Smart home compatible

Use your system with Alexa, Google Assistant, August Locks, and Apple Watch.

The SimpliSafe® difference


Traditional Home Security

Whole home protection

Mobile app control & smart home integration

24/7 professional monitoring for less than $1/day

Fast Protect™ Technology for faster police response*

Agents can deter intruders in real time via live, 2-way agent audio**

Agents automatically verify alarms, access footage & contact you***

Up to 24-hour battery backup, Wi-Fi and cellular connection

Integrated privacy shutter on all indoor cameras

Lifetime warranty and 10% discount on hardware for subscribers***

No contracts or hidden fees. Cancel anytime.

*Vs. non-verified SimpliSafe® alarms. With video verification, our agents capture evidence so that you can get priority response. Fast Protect™ Monitoring plan is required.
** Requires Fast Protect™ Monitoring plan and Smart Alarm Wireless Indoor Camera.
*** Requires Fast Protect™ Monitoring plan.

Try it. Test it. Love it or return it.

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