In Illinois, most security system projects cost between $99.00 and $1,500 per job, with a typical price near $400. Local labour, permits and materials move the final price, so treat the range below as a planning guide.
Typical security system cost
$99.00 – $1,500
per job · typical $400
A general planning range, not a quotation.
Security system cost breakdown
- DIY kit$99.00 – $300typical $200
- Professional install (basic)$300 – $700typical $500
- Full smart system$700 – $1,500typical $1,000
At a glance
- Typical range$99.00 – $1,500
- Unitper job
- Cities covered50
What Home Security costs
Cost covers a security alarm package including control panel, sensors, and installation. Monthly monitoring fees are separate, typically $20–$60. Prices vary by equipment quality, number of sensors, and whether it's DIY or professionally installed.
By city in Illinois
- Addison
- Alton
- Arlington Heights
- Belleville
- Berwyn
- Bolingbrook
- Buffalo Grove
- Calumet City
- Carbondale
- Carol Stream
- Carpentersville
- Champaign
- Chicago
- Cicero
- Crystal Lake
- DeKalb
- Decatur
- Des Plaines
- Downers Grove
- Elgin
- Elmhurst
- Evanston
- Glenview
- Hanover Park
- Hoffman Estates
- Joliet
- Kankakee
- Lombard
- Moline
- Mount Prospect
- Naperville
- Normal
- Oak Lawn
- Oak Park
- Orland Park
- Palatine
- Park Ridge
- Peoria
- Rock Island
- Rockford
- Romeoville
- Round Lake Beach
- Schaumburg
- Skokie
- Springfield
- Streamwood
- Tinley Park
- Urbana
- Waukegan
- Wheaton
Frequently asked questions
What does a typical security system cost?
Expect $400 for equipment and installation, plus $20–$60 monthly monitoring. DIY kits start under $200.
Why do prices vary so much?
Equipment quality, number of sensors, smart features, and monitoring contract length drive costs. Professional installation adds labor.
How can I save money?
Choose DIY, buy during promotions, or sign longer contracts for lower monthly rates. Compare quotes from multiple providers.