California contractor license
R H HYDRONICS
- C-4 Boiler, Hot Water Heating And Steam Fitting
R H HYDRONICS is a C-4 Boiler, Hot Water Heating And Steam Fitting contractor in San Rafael, Marin County, licensed in California for 16 years (since 2010). As of Jul 15, 2026, the license is active with an expiration date of Aug 31, 2028 on record and a license bond is on file.
R H HYDRONICSC-4 Boiler, Hot Water Heating And Steam Fitting · checked Jul 15, 2026
ActiveLicense number#951610
Licensed sinceAug 25, 2010
Years licensed16 years
Expiration on recordAug 31, 2028
City and countySan Rafael, Marin County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Jul 15, 2026.