Home Security System Cost Calculator
Last updated: October 15, 2026
Estimate the first-year cost of a home security system including equipment, sensors, installation, monitoring and activation.
Starting figures illustrate this model. Enter your own measurements, quoted costs and applicable terms; this page does not retrieve live prices or provider rates.
Estimated first-year home security cost
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- Equipment and sensors: —
- Installation and activation: —
- Monitoring cost for entered period: —
- Estimated ongoing monthly cost: —
On this page
Quick summary: Estimate the first-year cost of a home security system including equipment, sensors, installation, monitoring and activation.
Read the complete guide
Updated reference sections in this guide are in English.
What this calculator estimates
Estimate the first-year cost of a home security system including equipment, sensors, installation, monitoring and activation.
How to use it
Enter Base hub and equipment package ($); Number of additional sensors or cameras; Average cost per sensor or camera ($); Professional installation ($); Monthly monitoring fee ($); Months of monitoring included; Activation and permit fees ($). Select Calculate to update the results.
How the calculation works
The first-year estimate adds equipment and sensor costs, setup charges and monitoring for the entered number of months.
Worked example: starting scenario
| Base hub and equipment package ($) | 650 |
|---|---|
| Number of additional sensors or cameras | 8 |
| Average cost per sensor or camera ($) | 125 |
| Professional installation ($) | 350 |
| Monthly monitoring fee ($) | 45 |
| Months of monitoring included | 12 |
| Activation and permit fees ($) | 125 |
| Estimated first-year home security cost | $2,665.00 |
|---|---|
| Equipment and sensors | $1,650.00 |
| Installation and activation | $475.00 |
| Monitoring cost for entered period | $540.00 |
| Estimated ongoing monthly cost | $45.00 |
Important limitations
Contracts, financing, cellular backup, cloud storage, permits, discounts, smart-home integrations and cancellation fees vary.