California contractor license
SIERRA BOILER SERVICE INC
- C-4 Boiler, Hot Water Heating And Steam Fitting
SIERRA BOILER SERVICE INC is a C-4 Boiler, Hot Water Heating And Steam Fitting contractor in Sparks, licensed in California for 3 years (since 2022). As of Jan 23, 2026, the license is active with an expiration date of Nov 30, 2026 on record and a license bond is on file.
SIERRA BOILER SERVICE INCC-4 Boiler, Hot Water Heating And Steam Fitting · checked Jan 23, 2026
ActiveLicense number#1099176
Licensed sinceNov 30, 2022
Years licensed3 years
Expiration on recordNov 30, 2026
City and countySparks
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 Jan 23, 2026.