Classification C-4
Boiler, Hot Water Heating and Steam Fitting contractors in California
Contractors holding a C-4 Boiler, Hot Water Heating and Steam Fitting classification, in CLEAR status. Search within this classification below.
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Public record from the California Contractors State License Board. Status can change daily and these pages are a snapshot — confirm anything you intend to act on against the CSLB register itself.
Source: California Contractors State License Board public register. Anvil republishes these records unchanged.