Commercial-Grade AI Security for Every Home
Y Combinator
Request for Startups
Elevator Pitch
The $20B home security market is stuck on motion sensors and grainy cameras. Commercial buildings have AI that distinguishes threats from false alarms. Bring that intelligence to every home—security that recognizes faces, detects anomalies, and actually protects.
Full Description
Home security technology is laughably primitive compared to what's available commercially. Businesses have AI-powered systems that recognize employees, detect unusual behavior, and integrate with access control. Homes have motion sensors that trigger when a cat walks by.
The Current State:
- •98% false alarm rate on motion sensors
- •Cameras that record but don't understand what they're seeing
- •Security guards who cost $50K/year per location
- •Systems that alert you to problems but can't prevent them
What AI Enables:
- •Recognition: Know the difference between family, expected visitors, and strangers
- •Context: Understand that a delivery person at 2pm is normal; the same person at 2am is not
- •Anomaly detection: Notice the window that's usually closed is open, or the car that's been parked outside for three days
- •Predictive: Alert to suspicious behavior before anything happens
- •Integration: Coordinate cameras, locks, lights, and alarms as a single system
- •Response: Automatically alert authorities with useful information, not just "motion detected"
The Market: $20B in home security in the US alone, dominated by ADT and other legacy players with 30-year-old technology. Customers pay $30-50/month for systems that cry wolf constantly.
Why Now: Computer vision models are good enough. Edge computing is cheap enough. The missing piece is a company that integrates AI throughout the entire security experience—not just a camera with AI bolted on.
Market opportunity
I sized this as a consumer-funnel residential security subscription business, using US security-alarm-services spend as the upper-bound TAM anchor and a monitored-home adoption pool as the serviceable segment. The base case assumes a $55/month blended ARPU and ~2.5% penetration of the addressable security-adopter homes by year 5, which yields a plausible early-stage SOM in the low hundreds of millions.
US security alarm services spend (upper-bound home security proxy)
US residential monitored + smart security households
Year-1 revenue from AI-upgraded mainstream residential installs
Sources:IBISWorldADTADTStatistaComputed 2026-04-27
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