# I S Firepro

I S Firepro is a fire sprinkler company based in Diamond Bar, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 740006) 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 |
|---|---|---|---|
| 740006 | CSLB C-16 Fire Protection Contractor | September 30, 2027 | active |

## Contact and locations

- Phone: 626-290-1378
- Primary location: Diamond Bar, CA 91765 (Los Angeles County)

## Verify

Search 740006 at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx to confirm current status.

More companies in Diamond Bar: https://plumbregistry.com/fire-protection/california/diamond-bar/

_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._