How Much Does a Home Alarm System Cost?

Updated March 24, 2026 · Expert-verified answer

Quick Answer

A home alarm system costs $200–$600 for equipment plus $20–$60/month for monitoring. Professional installation adds $100–$300. DIY systems (Ring, SimpliSafe) have lower upfront and monthly costs than traditional providers.

Cost Breakdown

Service Low High Notes
DIY system equipment $200 $500
Pro system equipment $0 $300 With contract
Monthly monitoring (DIY) $10 $25
Monthly monitoring (pro) $30 $60
Professional installation $100 $300

How Much Does a Home Alarm System Cost?

A home alarm system costs $200–$600 for equipment plus $20–$60/month for monitoring. Professional installation adds $100–$300. DIY systems (Ring, SimpliSafe) have lower upfront and monthly costs than traditional providers.

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