Home Security System Cost Calculator
in California

By FreeCostCalculator Team | Updated April 2026

Updated April 2026 | Based on 50-state data | How we calculate this | Full methodology

Free home security system cost calculator for California. Compare monitoring plan costs from major providers. No signup required.

Home Security System Cost Estimate

Your result includes a low, typical, and high range plus cost assumptions.

Inputs affect regional cost factors and local pricing · Results are estimates for comparison, not quotes

22 free calculators · 50-state coverage · 3,400+ pages · Published methodology

Frequently Asked Questions

How much does home security monitoring cost in California?

Home security monitoring plans range from about $10/month for basic self-monitoring to $40/month for premium plans with video and smart features. Pricing is national and does not vary by state.

What is the cheapest home security monitoring option?

Basic self-monitoring plans from providers like Ring and SimpliSafe start at about $5-$10/month. These provide app alerts but no professional dispatch.

How much does professional 24/7 home security monitoring cost?

Professional 24/7 monitoring with emergency dispatch typically costs $25-$30/month from major providers like ADT and SimpliSafe.

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Home Security System Cost Calculator in California