Reliable Fire Monitoring for Your Business

We design, install, and service commercial fire alarm systems that meet local codes and national life-safety standards. Our solutions are scalable for buildings of all sizes, from small offices to large multi-tenant facilities, ensuring reliable detection and fast response when it matters most.
Protect Your Business

Industry-Leading Fire Alarm Brands

We work with trusted, proven manufacturers to deliver dependable fire protection for performance, compliance and long-term reliability. 

Reliable Fire Alarm Monitoring

Your fire system is professionally monitored 24/7 to ensure immediate action in the event of an alarm. When a signal is triggered, trained operators notify emergency responders without delay, helping protect lives, property, and business continuity.

StarLink Cellular Fire Communicators

Napco StarLink cellular communicators to ensure secure, dependable alarm transmission.

  • No landline required
  • Works during internet outages
  • Supervised cellular communication for faster, more reliable signal delivery

StarLink is ideal for meeting modern fire code requirements and reducing communication failures.

Inspection, Testing & Ongoing Support

We provide routine inspection, testing, and maintenance services to keep your fire alarm system compliant and operating properly. Our team supports businesses throughout the Greater St. Louis area, helping you meet AHJ requirements (NFPA 72 or NFPA 70), avoid fines, and maintain a safe environment year-round.

Proudly Serving St. Louis and Beyond

Citywide Alarms provides trusted security solutions throughout the St. Louis area and surrounding communities. Whether you’re in the city, the suburbs, or just outside the metro area, we’re ready to help you protect what matters most.
  • St. Louis
    7733 Forsyth Blvd. Suite 1100
    Saint Louis, MO 63105
  • St. Charles
    965 Sycamore Dr.
    St. Charles, MO 63304

Request A Quote

Don’t wait, get started today! No matter what type of security system you need, Citywide Alarms is here to help.

Name