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 BusinessIndustry-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. Louis7733 Forsyth Blvd. Suite 1100
Saint Louis, MO 63105 - St. Charles965 Sycamore Dr.
St. Charles, MO 63304
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Don’t wait, get started today! No matter what type of security system you need, Citywide Alarms is here to help.