One Source Engineering Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 755696
- Status
- Active
- Classifications
- C-4 · Boiler, Hot-Water Heating and Steam Fitting
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- October 27, 1998 – April 30, 2028
Business
- (650) 325 7171 (CSLB public record)
- 50 WOODSIDE PLAZA 116, Redwood City, CA 94061San Mateo County
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Frequently asked questions
Is One Source Engineering Inc licensed in California?
Yes. One Source Engineering Inc holds an active California state contractor license (CSLB #755696), verified against the CSLB public record on June 17, 2026.
What is One Source Engineering Inc's CSLB license number?
One Source Engineering Inc's California contractor license number is 755696. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=755696
What kind of work is One Source Engineering Inc licensed for?
One Source Engineering Inc is classified under Boiler, Hot-Water Heating and Steam Fitting (C-4) by the CSLB.
How do I verify One Source Engineering Inc's license myself?
Look up license #755696 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=755696. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.