Save on Your Security 

Three Months Free Alarm Monitoring when Switching to Alarm Detection Systems

Alarm Detection Systems wants to earn your business! We are offering 90 Days Free Monitoring for customers switching an existing security system account to Alarm Detection Systems from other providers. This offer is available to both home and business customers. Call 1.800.446.7519 or use the convenient button below to get started with your savings.

Offer is contingent upon subscriber signing a minimum three years Security System and Services Agreement and subscriber’s payment of activation fee. Alarm Detection Systems may revoke or modify this offer at any time. Additional terms and conditions apply. See Security Systems and Service Agreement for details.

The Best Customer Service in Colorado.

At Alarm Detection Systems, we specialize in alarm system reactivation and takeovers. In most instances, we can take over the monitoring of your current system or reactivate an alarm system that’s not in use. When you choose us for your alarm system takeover in Colorado, you enjoy same- or next-day activation, 24/7 monitoring from our award-winning central monitoring station, and continued maintenance to keep your system operating properly. At Alarm Detection Systems, we offer all-inclusive security services.

Concerned about the cost of an alarm system takeover with Alarm Detection Systems? We’re waiving the $75 activation fee for a limited time only. Unrivaled security for your home or business is just a phone call away.


Four Unbeatable Reasons to Choose Alarm Detection Systems for Your Home or Business Security Needs. We:

  • Serve more than 10,000 customers in Colorado, but are still small enough to offer individual care
  • Are always ready to respond to your situation with same- or next-day service
  • Provide 24/7/365 support from our award-winning central monitoring station
  • Have been protecting Colorado homes and businesses since 1968

Reactivating a Security System Versus Installing a New One

Reactivating a security system often saves the customer time and money. The following are several reasons why reactivating a security system can be superior to installing an entirely new one.


  • The installation process often takes less time because many elements are already in place.
  •  You can save money by reusing components of your previous system.
  • For a limited time only, we will waive the $75 activation fee.
  • You can save money by reusing components of your previous system.
  • Our certified technicians will ensure all elements of your system are up-to-date and functioning properly.
  • You can enjoy the benefits of monitoring and maintenance by Alarm Detection Systems without undergoing the entire installation process.

Choose Alarm Detection Systems

The decision to choose Alarm Detection Systems for your reactivation or alarm system takeover in Denver is an easy one. Our team of certified technicians are ready to assess your current security system and get it up and running as quickly and affordably as possible. Call us today and find out why we’ve offered the best in Colorado home and business security for more than 35 years.