--- title: Reactivate Your Existing Security System description: Activate your existing home security system with ADT Home Alarm Monitoring Service and receive free upgrades to your existing system. 1-800-310-9490 image: https://www.californiasecuritypro.com/hs-fs/file-17678912-jpg/images/honeywell_lynx.jpg --- ** **[Northern CA 800-310-9490 ](tel:1-800-310-9490)****[Southern CA 800-960-4590](tel:1-800-960-4590)**   *Search* ** [![securitypro-group-logo](https://www.californiasecuritypro.com/hs-fs/hubfs/securitypro-group-logo.jpg?width=295&name=securitypro-group-logo.jpg "securitypro-group-logo")](https://www.californiasecuritypro.com) ![adt-dealer-white](https://www.californiasecuritypro.com/hs-fs/hubfs/images/adt-dealer-white.jpg?width=295&name=adt-dealer-white.jpg "adt-dealer-white") # ADT Security Pro - Home Security Blog ## [Reactivate Your Existing Security System](https://www.californiasecuritypro.com/blog/bid/138786/reactivate-your-existing-security-system) Posted by [Greg Barker](https://www.californiasecuritypro.com/blog/author/greg-barker) on Thu,Feb 08,2024 @ 07:28 PM - [Tweet](https://twitter.com/share) # CALL **800-960-4590** FOR A FREE SECURITY REVIEW AND RECEIVE A FREE GOOGLE VIDEO DOORBELL WITH YOUR ADT ACTIVATION ![NestBundle3](https://www.californiasecuritypro.com/hs-fs/hubfs/NestBundle3.png?width=416&height=243&name=NestBundle3.png) ## What Kind of Security System is Currently in Your Home? At California Security Pro, we can help you **get your current system turned on** and activated with ADT Home Alarm Monitoring Service. We can activate most home security systems installed in California homes and will give you free upgrades to your systems control panel to ensure you get the latest in security technology. **Below are some of the more popular security keypads **you'll find in homes throughout California**.** Not sure what kind of system you have... no worries. Schedule a [free home security review](https://www.californiasecuritypro.com/your-free-home-security-review/) and let one of our security professionals help you look at what you have and give you your options. ### **Honeywell/Ademco Security Keypads** ![Honeywell Lynx Keypad](https://www.californiasecuritypro.com/hs-fs/file-17678912-jpg/images/honeywell_lynx.jpg?width=150&height=105&name=honeywell_lynx.jpg)     **     ****![Honeywell Security Keypad](https://www.californiasecuritypro.com/hs-fs/file-17678655-jpg/images/honeywell_keypad_2.jpg?width=108&height=79&name=honeywell_keypad_2.jpg)     ![Ademco Keypad](https://www.californiasecuritypro.com/hs-fs/file-17678813-jpg/images/honeywell_keypad.jpg?width=96&height=84&name=honeywell_keypad.jpg)** ### **GE Security Keypads** **![GE Simon 3](https://www.californiasecuritypro.com/hs-fs/file-17677573-png/images/ge_simon_3.png?width=127&height=136&name=ge_simon_3.png)          **    ![GE Concord Express](https://www.californiasecuritypro.com/hs-fs/file-17677484-jpg/images/ge_concord_express1.jpg?width=100&height=107&name=ge_concord_express1.jpg) ### **DSC Security Keypads** ** ****  ![DSC Security Keypad](https://www.californiasecuritypro.com/hs-fs/file-17674596-jpg/images/dsc_harwire_keypad.jpg?width=133&height=133&name=dsc_harwire_keypad.jpg)** ## Turn on Your Existing Security System Before you scrap the whole system and go with a completely new security system,** look into your options** of using some of your existing equipment and getting free upgrades to it with ADT Home Alarm Monitoring Service.  If you have an existing hardwired security system, a prewired home or a wireless security system with lots of wireless sensors, it is most likely your best option is to **upgrade the security system control panel** to the latest technology. With a new control panel, you will be able to use you existing security infastructure and current sensors and add any new devices you want to the system. Schedule a [FREE Home Security Review](https://www.californiasecuritypro.com/your-free-home-security-review/) to have one of our Security Professionals take a look at your system and give you **your options based on your needs and affordability.** ## Security Systems We Can Takeover **80% of the home security systems** installed today are manufactured by Honeywell/Ademco, GE and DSC. We install security systems manufactured by all three. These security manufacturing companies brand the security systems for many other home alarm monitoring companies. A few of the more popular home alarm monitoring companies in California that have security system branded for them are: 1. ADT 2. Brinks Home Security (now ADT) 3. Broadview Security (now ADT) 4. Protection 1 5. Monotronics 6. Bay Alarm  7. Other Local Alarm Companies For more information or to get advice on whether to use your existing system or start with a completely new system call 1-800-310-9490 and speak with a Customer Care Representative. Customer Care can also schedule a [free home security system evaluation.](https://www.californiasecuritypro.com/your-free-home-security-review/)   ## Related Existing Security System Information - [Reactivate Existing Security System](https://www.californiasecuritypro.com/reactive-existing-security-system/) - [ADT Home Alarm Monitoring Options for New California Homeowners](https://www.californiasecuritypro.com/blog/bid/91003/ADT-Monitored-Home-Alarm-Options-for-New-California-Homeowners)   #### **Call 800-960-4590 to schedule a [Free Home Security Review](https://www.californiasecuritypro.com/your-free-home-security-review/).**    [![SCHEDULE A FREE HOME SECURITY REVIEW](https://hubspot-no-cache-na2-prod.s3.amazonaws.com/cta/default/137046/db614724-60f3-40c9-86ec-fdfc4d036602.png)](https://hubspot-cta-redirect-na2-prod.s3.amazonaws.com/cta/redirect/137046/db614724-60f3-40c9-86ec-fdfc4d036602)       Tags: [ADT Pulse Equipment and Packages](https://www.californiasecuritypro.com/blog/topic/adt-pulse-equipment-and-packages), [Activate Existing Alarm System](https://www.californiasecuritypro.com/blog/topic/activate-existing-alarm-system) ### Subscribe by Email ### Table of Contents - [Activate Existing Alarm System](https://www.californiasecuritypro.com/blog/?Tag=Activate+Existing+Security+System) - [ADT Monitoring Service and Pricing](https://www.californiasecuritypro.com/blog/?Tag=ADT+Monitoring+Service+and+Pricing) - [ADT Pulse](https://www.californiasecuritypro.com/blog/?Tag=ADT+Pulse) - [Cellular Security Systems](https://www.californiasecuritypro.com/blog/?Tag=Cellular+Security+Systems) - [False Alarms and Prevention](https://www.californiasecuritypro.com/blog/?Tag=False+Alarms+and+Prevention) - [Frequently Asked Questions](https://www.californiasecuritypro.com/faq) - [Home Technology Management and Automation](https://www.californiasecuritypro.com/blog/?Tag=Home+Automation) - [Home Security Companies](https://www.californiasecuritypro.com/blog/?Tag=Home+Security+Companies) - [Home Security Equipment](https://www.californiasecuritypro.com/blog/?Tag=Home+Security+Equipment) - [Safety Tips](https://www.californiasecuritypro.com/blog/?Tag=Safety+Tips) - [Video Surveillance and Cameras](https://www.californiasecuritypro.com/blog/?Tag=Surveillance+Cameras) ### Browse by Tag - 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