Est. 1971 — Missouri Licensed 24/7 Monitoring Active

Security Systems in Clayton, MO

Protecting Clayton law firms, condos, medical offices, and residences since 1971. Commercial-grade access control, CCTV, and UL-listed alarm monitoring throughout 63105 — from a local St. Louis team that knows the market.

16K+ Residents Served
55+ Years in Business
<90s Alarm Response
St. Louis County Coverage
$21.95 Monitoring / Mo

Complete Security Coverage for Clayton Homes & Businesses

Every installation is handled by our own technicians — never subcontractors — and backed by our UL-listed central monitoring station.

Residential Alarm Monitoring

24/7 UL-listed monitoring for Clayton homes. Police and fire dispatch in under 90 seconds from alarm trigger. Plans from $21.95/mo with no long-term contract required.

Commercial Security Systems

Intrusion detection, fire alarms, CCTV, and access control for Clayton businesses. Fully documented installations meet insurance and compliance requirements. Free commercial site survey.

CCTV & Surveillance

4K IP camera systems with remote live viewing, local NVR storage, and optional cloud backup. License plate capture, night vision, and wide-angle coverage tailored to your Clayton property layout.

Fire Detection & Monitoring

NFPA 72-compliant smoke, heat, and CO detection with 24/7 monitored dispatch. Fire department notification even when you're away. Automatic annual inspection reminders for Clayton commercial clients.

Access Control Systems

Keypad, card, fob, and biometric access control for Clayton offices, warehouses, and multi-tenant buildings. Audit logs, time-of-day scheduling, and remote unlock from any smartphone.

Home Automation Integration

Smart locks, thermostat control, garage door automation, and lighting scenes that integrate with your security panel. Control your entire Clayton home from one app — no separate smart-home hub needed.

System Service & Repair

Trouble with an existing system — even one we didn't install? Our technicians service all major brands in Clayton. Battery replacements, sensor upgrades, panel swaps, and full system takeovers available.

Low-Voltage & Structured Wiring

Pre-wire during construction or retrofits for existing Clayton properties. Network cabling, intercom, speaker distribution, and dedicated security conduit runs handled by our low-voltage crew.

Security in Clayton

Clayton is the county seat of St. Louis County and one of the most commercially dense districts in the metro area. High-rise office towers, law firms, financial institutions, and luxury condominiums sit alongside prestigious residential neighborhoods. The concentration of high-value assets — and the increasing demand for access audit trails in legal and medical environments — makes professional, code-compliant security essential. Philibert Security has served Clayton for over 50 years and understands the specific demands of its urban-suburban character.

We regularly install and service systems in:

  • Clayton Central Business District
  • Wydown-Forsyth
  • Moorlands
  • Carrswold
  • Ellenwood
  • Concordia
  • DeMun
  • Shaw Park District
  • North Clayton
  • Maryland Heights Border

Same-Day & Next-Day Service

Our Clayton coverage means a local technician — not a distant dispatch — handles your install or service call fast.

Permit & Code Compliance

St. Louis County and Clayton municipal permit requirements are handled entirely by us — no paperwork burden on you.

Licensed & Insured in Missouri

Fully licensed Missouri alarm contractor, ESA-certified technicians, and $2M liability coverage on every job.

Simple Pricing for Clayton

All plans include UL-listed 24/7 central station monitoring, battery backup, and mobile app access. No hidden fees.

Basic

Intrusion monitoring for homes and small offices

$19.95/mo

  • 24/7 UL-listed monitoring
  • Police & fire dispatch
  • Mobile arm/disarm app
  • Battery backup
  • Two-way voice on request
Get Started

Commercial

Enterprise-grade for businesses in Clayton

Custom / mo

  • Multi-zone intrusion
  • Fire alarm monitoring
  • Access control integration
  • CCTV monitoring
  • Insurance documentation
  • Dedicated account rep
Get a Quote

Equipment pricing quoted separately after free site survey. Month-to-month options available on select plans.

FAQ — Clayton

Yes — multi-tenant access control is one of our specialties in the Clayton CBD. We install card, fob, PIN, and mobile-credential systems with per-tenant permissions, time-of-day restrictions, and full audit logs. Integration with video intercom and elevator control is available for complete building coverage.
Yes. St. Louis County and the City of Clayton both have alarm registration requirements, and false alarm ordinances carry fines for excessive unverified calls. We register your system with the appropriate jurisdiction as part of every installation so you stay compliant from day one — no paperwork on your end.
Absolutely. We install residential systems in Clayton condos, townhomes, and single-family homes. For condo units, we work within HOA rules, avoid structural changes where required, and use wireless sensors throughout — glass break, motion, door/window contacts, and smart lock integration.
Yes. Law firms and financial offices in Clayton benefit from our commercial packages: intrusion detection with after-hours monitoring, access control with audit trails for compliance documentation, CCTV with 30-day retention, and certificates of monitoring for insurance discounts.
For existing customers in Clayton, we target same-day or next-business-day response for most service calls. Our technicians are St. Louis-based — not dispatched from a distant regional hub — so you're not waiting a week for a truck.
We install DSC, Honeywell (Resideo), Bosch, and Napco panels depending on the application. For CCTV, we use Pelco and other professional-grade IP systems. All hardware is commercial-tier designed for 24/7 central station integration — we do not use DIY consumer-grade equipment.

Clayton, MO — 63105

Get a Free Security Assessment

We serve Clayton and all of St. Louis County. Our team will assess your property, explain your options, and provide a written quote — no pressure, no obligation.

314-962-2000