Home Security Cost in Arnold, MO in 2026
Most Home Security projects in Arnold, MO cost between $400 and $3,500. The typical price is $1,200.
Arnold prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- Number of doors, windows and cameras covered
- Wired versus wireless sensors
- Professional monitoring contract
- Smart lock and video doorbell integration
Usually included
- Panel, sensors and cameras
- Installation and configuration
- App setup and walkthrough
Usually extra
- Monthly monitoring fees
- Electrical work for hardwired cameras
- Network upgrades
Home security installers in Arnold, MO
Businesses listed on Google near Arnold, MO. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
ABF Security
4.4(313 reviews)
507 Rudder Rd, Fenton, MO 63026
Gateway Alarm Inc
3.8(26 reviews)
PO BOX 1167, Arnold, MO 63010
RapidFire Safety & Security, St. Louis
4.5(8 reviews)
9789 Reavis Park Dr, Affton, MO 63123
Huffman Security Inc Office
5.0(1 reviews)
1318 Lonedell Rd, Arnold, MO 63010