# Guardian South Inc

Guardian South Inc is a fire sprinkler company based in Highland, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 734574) from the California Contractors State License Board, verified against state records on October 24, 2026.

## California Contractors State License Board licenses

| License | Type | Expires | Status |
|---|---|---|---|
| 734574 | CSLB C-16 Fire Protection Contractor | April 30, 2027 | active |

## Contact and locations

- Phone: 760-789-7190
- Primary location: 7231 Boulder Ave #544, Highland, CA 92346 (San Bernardino County)

## Verify

Search 734574 at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx to confirm current status.

More companies in Highland: https://plumbregistry.com/fire-protection/california/highland/

_Source: California Contractors State License Board (CSLB) licensee records (https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx), retrieved October 24, 2026. Published by Plumb Registry._