Est. 1971 — Missouri Licensed 24/7 Monitoring Active

Security Near You

Security Systems in St. Louis, MO

St. Louis City is an independent municipality and the urban core of the entire bi-state metro. Philibert Security has protected St. Louis City homes, businesses, and institutions since 1971 — from Soulard and the Central West End to downtown lofts and south city bungalows.

Get a Free Quote Call 314-962-2000

290K+ Residents Served

55+ Years in Business

<90s Alarm Response

St. Louis City County Coverage

$21.95 Monitoring / Mo

What We Offer in St. Louis

Complete Security Coverage for St. Louis 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 St. Louis 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 St. Louis 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 St. Louis 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 St. Louis commercial clients.

Access Control Systems

Keypad, card, fob, and biometric access control for St. Louis 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 St. Louis 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 St. Louis. Battery replacements, sensor upgrades, panel swaps, and full system takeovers available.

Low-Voltage & Structured Wiring

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

Local Knowledge

Security in St. Louis

St. Louis City is a unique entity in American government: an independent city not part of any county, with its own elected officials, police department, and permit structure separate from St. Louis County. Its neighborhoods span an extraordinary range — from the high-rises and entertainment districts downtown to the Victorian row houses of Lafayette Square, the galleries and restaurants of the Central West End, the working-class bungalows of south city, and the industrial lofts of the Cortex Innovation District. Each environment calls for a different security approach, and Philibert Security has the depth of experience to handle all of them.

We regularly install and service systems in:

Downtown / Laclede's Landing
Soulard
Lafayette Square
Central West End
The Grove
Tower Grove South / South Grand
Benton Park
Cherokee Street District
Compton Heights
Midtown / Grand Center
Shaw
Dutchtown
Carondelet
Holly Hills
Forest Park Southeast
Cortex Innovation District
North St. Louis / Old North
The Hill

Request a Free Site Survey

Same-Day & Next-Day Service

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

Permit & Code Compliance

St. Louis City County and St. Louis 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.

Monitoring Plans

Simple Pricing for St. Louis

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

FAQ — St. Louis

Does St. Louis City have its own alarm permit requirements separate from St. Louis County?

Yes — and this is one of the most common points of confusion for metro security customers. St. Louis City is an independent city, not part of St. Louis County. It has its own alarm registration program administered through the St. Louis City Police Department, separate from the county permit system. We determine the correct jurisdiction and file all registration paperwork as part of every City installation.

Can you install security in a historic St. Louis City row house or bungalow?

Yes. Historic preservation is a practical reality for many St. Louis City installations, particularly in neighborhoods like Lafayette Square, Compton Heights, and Soulard. We use fully wireless sensor systems that install without opening plaster walls, running visible wires through original woodwork, or disturbing period architectural detail. Complete protection, zero compromise to the building.

Do you secure commercial and mixed-use properties in St. Louis City?

Yes. The Central West End, Grove, Cherokee Street, Cortex, and downtown corridors all have significant commercial security demand — restaurants, bars, galleries, tech offices, medical facilities, and multi-unit residential buildings. We install CCTV with remote viewing, access control for multi-tenant buildings, fire alarm monitoring, and after-hours intrusion detection for City commercial properties of all sizes.

Can you install security in a downtown St. Louis loft or high-rise condo?

Yes. High-rise and loft residential security requires working within HOA and building management rules — typically no hardwired penetrations, no dedicated conduit runs through common areas. We use fully wireless systems that comply with building restrictions and integrate smart locks, video doorbells, and remote monitoring for urban residential clients.

What is the St. Louis City Police response time for alarms?

St. Louis Metropolitan Police Department response times vary significantly by district and time of day. Our UL-listed central station dispatches within 90 seconds of a confirmed alarm, and our Standard plan includes video verification — allowing our monitoring center to confirm an actual intrusion before dispatch, which can result in a higher-priority police response.

Do you serve all St. Louis City ZIP codes?

Yes. We serve the entire City of St. Louis across all ZIP codes from 63101 to 63150. Whether you're in Carondelet in the south, Old North in the north, or downtown in the middle, our local team can schedule service at your address.

Also Serving

Nearby Service Areas

Clayton

Missouri

63105

Maplewood

Missouri

63143

University City

Missouri

63130, 63132

Belleville

Illinois

62220, 62221

All Areas

STL Metro

View Full Map

St. Louis, MO — 63101, 63102, 63103, 63104, 63106, 63107, 63108, 63109, 63110, 63111, 63112, 63113, 63115, 63116, 63118, 63120, 63139, 63147

Get a Free Security Assessment

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

Request a Free Quote Call 314-962-2000