Locally Owned & Operated Since 1974!

Expert Security System Installation & Monitoring


Existing Systems Serviced, Monitored and Updated

Who is watching your property when you’re unable to?
This is a question that crosses the mind of anyone with a home or business at some point, whether you have a security system or not. In either case, Night Hawk Security Systems is here to be those extra watchful eyes you need for your business or that additional layer of security you want inside your home.
Man Looking at Home Security Cameras On Tablet — Home Security System in St. Louis, MO


Core Services

  • Monitoring
  • System Sales
  • Alarm System Upgrades
  • Commercial Surveillance Security Systems
  • Real, Live People Answer Our Phones
  • Local 24 Hour Monitoring
  • Internet and Wireless Alarm Monitoring
  • Commercial Camera Systems
  • Residential/Commercial/Industrial
Even if you have an existing security alarm system installed, Night Hawk Security Systems can work with you on repairs or if you need an upgrade on an existing system, we can sell you one at a great price! We are available by phone at 314-846-4600 or if you have questions about our services, email us and a representative will contact you shortly.

Over 40 Years Experience Providing St. Louis with Affordable Security


GE Security
Man Checking The CCTV — Home Security System in St. Louis, MO
Security Cameras — Home Security System in St. Louis, MO
House Owner Holding a Tablet With System Smart House — Home Security System in St. Louis, MO
Serving the Entire Metropolitan Area including... St Louis, Lemay, University City, Mehlville, Creve Coeur, Clayton, Oakville, Concord, Affton, Maryland Heights, Kirkwood, Webster Groves, Crestwood, Richmond Heights, Maplewood, Olivette, Ladue, Frontenac, Sunset Hills, Brentwood, Shrewbury, Glendale, Rock Hill, Des Peres, Fenton, Earth City, Florissant, Overland, Bridgeton, Jennings, Hazelwood, Spanish Lake, Ferguson, St. Ann, Bellefontaine Neighbors, Berkeley, Chesterfield, Manchester, Wildwood, Washington, Town and Country, Ellisville, Ballwin, Pacific, Eureka, Union, Fenton, Farmington, Festus, DeSoto, Hillsboro, Herculaneum, Crystal City, Byrnes Mill, Pevely, Cedar Hill, Kimmswick, Valley Park, Arnold, Barnhardt, Imperial, St. Charles, O'Fallon, St. Peters, Troy, Wentzville, Lake St. Louis, Cottleville, Dardenne, Weldon Spring, Belleville, Granite City, East St. Louis, Alton, O'Fallon, Collinsville, Edwardsville, Godfrey, Fairview Heights, Cahokia, Swansea, Glen Carbon, Wood River, Shiloh, and Columbia.