# Thomas Frederic Wilhelm

Thomas Frederic Wilhelm is a fire sprinkler company based in Desert Hot Springs, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 604997) 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 |
|---|---|---|---|
| 604997 | CSLB C-16 Fire Protection Contractor | October 31, 2028 | active |

## Contact and locations

- Phone: 760-718-9114
- Primary location: Desert Hot Springs, CA 92240 (Riverside County)

## Verify

Search 604997 at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx to confirm current status.

More companies in Desert Hot Springs: https://plumbregistry.com/fire-protection/california/desert-hot-springs/

_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._