Professional Security. Reliable Protection. Colorado's Trusted Security Team
Get to Know Us
At 21st Century Security Services, we provide dependable, professional security solutions tailored to protect what matters most. Based in Colorado, we specialize in commercial and residential security patrols, on-site guards, fire watch, and event security.
Our approach is proactive, not reactive. We customize every security plan to fit your property’s specific needs, using highly trained officers focused on prevention, visibility, and rapid response.
Trusted by businesses and property owners across the community, we pride ourselves on reliability, clear communication, and consistent service—24/7.
Your security. Our responsibility.
SERVICES
Trusted security support for businesses, communities, and events across Colorado.
Uniformed Security Officers
Professional, trained officers providing visible deterrence and on-site protection for businesses, communities, and events.
Commercial Property
Security
Reliable, consistent guard presence for retail centers, office buildings, business complexes, and high-traffic commercial areas.
Mobile Patrol Services
Marked vehicle patrols for large properties, parking lots, and multi-site coverage with rapid response and detailed reporting.
Residential & Community Security
Security coverage for apartments, HOAs, gated communities, and private residences to keep tenants and families safe.
Event & Nightlife Security
Crowd control, ID checks, entrance management, and de-escalation for bars, festivals, beer gardens, private events, and venues.
Incident Response & Reporting
Clear, timely reporting for every shift, with incident logs, documentation, and direct communication with management.
