Security Systems Contractors in St. Louis, Missouri
Home security system installation and monitoring..
St. Louis has historic brick housing driving massive masonry, roofing, and renovation contractor demand.
Security system contractors install alarm systems, surveillance cameras, smart locks, motion sensors, and monitoring services for residential and commercial properties. Modern systems integrate with smart home platforms and offer remote monitoring via smartphone apps. Professionally installed systems typically offer better coverage and reliability than DIY options, with hardwired sensors for doors and windows, POE (Power over Ethernet) camera systems, and 24/7 professional monitoring. Many insurance companies offer 5–20% homeowners insurance discounts for monitored alarm systems, partially offsetting the monthly monitoring cost.
8
Listed contractors
★ 4.3
Avg rating (8 rated)
$1k–$3k
Typical cost
Top rated security systems contractors in St. Louis
What to look for when hiring a security systems contractor
- ✓Ask whether you own the equipment outright or if it's leased through the monitoring contract.
- ✓Confirm camera resolution, storage (local NVR vs. cloud), and night vision capabilities.
- ✓Ask about the monitoring contract term — avoid long-term contracts with early termination fees.
- ✓Verify the company is licensed for alarm installation in your state.
Security Systems contractors in St. Louis(8 listed)
How much does security systems cost in St. Louis?
Basic alarm system: $300–$800 installed. Camera system (4–8 cameras): $1,000–$3,000 installed. Monthly monitoring: $20–$60/month. Smart lock + doorbell cam: $300–$600.
Security Systems contractors in St. Louis — FAQ
How many security systems contractors are in St. Louis?
EdgeLocal lists 8 licensed security systems contractors in St. Louis, Missouri. All listings are sourced from state licensing registries.
What is the average rating for security systems contractors in St. Louis?
Security Systems contractors in St. Louis have an average Google rating of 4.3 stars across 8 rated contractors on EdgeLocal. Ratings are sourced from Google Business profiles.
Do security systems contractors in St. Louis need to be licensed?
Yes. Missouri requires security systems contractors to hold a valid state license. Always verify a contractor's license is current and in good standing before signing any contract or allowing work to begin.
How do I find a reliable security systems contractor in St. Louis?
Start by verifying the contractor holds a valid Missouri license. Check their Google rating and read reviews. Get at least three written estimates. Confirm they carry general liability and workers' compensation insurance. Ask for references from recent St. Louis jobs.