Wilhelm Thomas Frederic

Licensed since 1990 · Sole Owner · No building permits on record yet

CSLB #604997 · ActiveWorkers' comp exempt — no employees reportedBonded $25,000

License classes

B General BuildingC-10 ElectricalC-16 Fire ProtectionC-36 PlumbingC-42 Sanitation SystemHAZ Hazardous Substance Removal

License, bond & insurance

California Contractors State License Board

B General BuildingC-10 ElectricalC-16 Fire ProtectionC-36 PlumbingC-42 Sanitation SystemHAZ Hazardous Substance Removal

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Same county and trade, ranked by permits in the last 3 years

Is Wilhelm Thomas Frederic licensed?

CSLB license #604997 is active, issued Oct 17, 1990 and valid through Oct 31, 2028, with classes B, C-10, C-16, C-36, C-42, HAZ.

Is Wilhelm Thomas Frederic insured and bonded?

CSLB lists a $25,000 contractor bond with Nationwide Mutual Insurance Company.

Contractors State License Board — license, bond and workers' comp records (Oct 2, 2026).

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