# Cornerstone Security Inc

Cornerstone Security Inc is a fire alarm company based in Norcross, GA. It holds an active Fire Alarm Certificate of Registration (No. ACR-3258) from the Texas State Fire Marshal's Office, verified against state records on October 24, 2026.

## Texas State Fire Marshal's Office registrations

| Registration | Type | Expires | Status |
|---|---|---|---|
| ACR-3258 | Fire Alarm Certificate of Registration | March 13, 2028 | active |

## Contact and locations

- Phone: 770-448-9042
- Primary location: 5600 Oakbrook Pkwy Ste 240, Norcross, GA 30093-1843
- Location: 2100 N Hwy 360 Ste 1806, Grand Prairie, TX 75050 (Dallas County)
- Licensed individuals on file: 2

## Verify

Search ACR-3258 at https://appscenter.tdi.texas.gov/reports/p/sfmo to confirm current status.

More companies in Grand Prairie: https://plumbregistry.com/fire-protection/texas/grand-prairie/

_Source: Texas Department of Insurance, State Fire Marshal's Office licensee records (https://appscenter.tdi.texas.gov/reports/p/sfmo), retrieved October 24, 2026. Published by Plumb Registry._