California contractor license
CAL STEAM COMPANY
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C36 Plumbing
- C-4 Boiler, Hot Water Heating And Steam Fitting
CAL STEAM COMPANY is a C20 Warm-Air Heating, Ventilating And Air-Conditioning, C36 Plumbing and C-4 Boiler, Hot Water Heating And Steam Fitting contractor in Diamond Bar, Los Angeles County, licensed in California for 33 years (since 1993). As of Aug 13, 2026, the license is active with an expiration date of Apr 30, 2027 on record, a license bond is on file, and permit records show 1–10 permitted projects in the last 3 years.
CAL STEAM COMPANYC20 Warm-Air Heating, Ventilating And Air-Conditioning · C36 Plumbing · C-4 Boiler, Hot Water Heating And Steam Fitting · checked Aug 13, 2026
ActiveLicense number#674646
Licensed sinceJul 22, 1993
Years licensed33 years
Expiration on recordApr 30, 2027
City and countyDiamond Bar, Los Angeles County
License bondOn file
Projects1–10 permitted projects in the last 3 years
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Aug 13, 2026.