Wilhelm Thomas Frederic
● Active — license status verified against CSLB public data as of November 6, 2026
| CSLB license | #604997 |
|---|---|
| Classifications | B — General Building · C-10 — Electrical · C-16 — Fire Protection · C-36 — Plumbing · C-42 — Sanitation System · HAZ — Hazardous Substance Removal |
| Office of record | 12679 Palm Drive Desert Hot Springs, CA 92240 Address as listed in the CSLB record — the office of record, not a service-area claim. |
| Phone (CSLB record) | (760) 718-9114 |
| Contractor bond | $25,000 — Nationwide Mutual Insurance Company |
| Workers' comp (CSLB record) | Exempt |
| Business type | Sole Owner |
| License issued | October 17, 1990 |
| License expires | October 31, 2028 |
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Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.