We install new security systems, as well as inspect existing security systems for both commercial and residential properties. All Signal 21 installation, service and inspection work is performed by local Signal 21 employees, compared to most mass marketing companies which use subcontractors for their installation and service work. Signal 21 only installs non-proprietary equipment. Most mass marketing Alarm Companies install proprietary equipment, which locks you into that single company for all your future alarm needs.

We at Signal 21 only install non-proprietary equipment. Most mass-marketing alarm companies install proprietary equipment. This means that you are locked into that single company for all your future alarm needs. You can't get service or monitoring from any other company without purchasing new equipment. This is very important to consider from a consumer viewpoint. Signal 21 does not require that you sign a long term monitoring contract. We offer high-quality, low-cost 24-hour U.L. Monitoring service for burglar alarms starting at $17. per month.

What's new?

http:// www.signal21secu ritysystems.com /

Posted on Aug 24, 2016  •  Facebook

We also offer security system repair and maintenance for most burglar alarm and fire alarm systems!

Posted on Apr 22, 2015  •  Twitter

@Signal21Secured only installs non-proprietary equipment and doesn’t require long-term contracts!

Posted on Apr 22, 2015  •  Twitter

#Signal21 is your resource for commercial and residential burglar alarm and fire alarm systems for #Volusia, #Lake and #Seminole Counties.

Posted on Apr 22, 2015  •  Twitter

Our new website is going live soon! Check it out at http://t.co/jI2rWevl0z

Posted on Apr 22, 2015  •  Twitter

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