With Trinity Security, Inc, you don't have to sleep with one eye open. We provide professional home security installation and camera system installation to people in ArnoldĀ and Chesterfield, MO.

You can trust our high-quality materials made by Digital Security Controls to protect you and your family. Not only will you have products to keep your family safe, but you will also have our team of professionals to make sure all equipment is installed properly.

Wanting camera system installation and home security installation? Call 314-966-2443 to make an appointment with Trinity Security today.

Why you should choose professional security

Why you should choose professional security

Don't order cheap cameras only to install them incorrectly or have them stop working. You should choose Trinity Security for home security installation and camera system installation because we make sure you have:


  • Local monitor companies monitoring your cameras 24/7
  • High-quality equipment you can count on
  • Professional installation, meaning trained professionals install your equipment
  • Increased home value from the equipment in the event you sell your home



Has your search for safety led you to us? Contact us now for a free quote on equipment and installation.