Customer Support

Whether you’d like to schedule an installation, would like to find another appointment time, or need help with your new ADT-monitored security system, we’re ready to help. Simply give us a call at (314) 274-9817. Our office hours are Mon-Thu, 9:00 AM - 7:00 PM and Saturday & Sunday 9:00 AM - 5:00 PM.

In addition, you can check out our security FAQs to get answers to our most asked questions.