Sieh Chiuhung, B General Building Contractor in San Francisco, CA
Sieh Chiuhung operating as a sole owner holds an active California contractor license (CSLB #933409), valid through Jan 31, 2028. First issued in 2009, the license has been on the CSLB roster for 17 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Francisco, in San Francisco County, California.
- License Number
- 933409
- Issued
- Jun 4, 2009
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800233549
- Effective
- Jan 9, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 11, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Sieh Chiuhung licensed in California?
Yes. Sieh Chiuhung holds California Contractors State License Board license number 933409, which is active and in good standing. The license was first issued on June 4, 2009. It is valid through January 31, 2028.
What does Sieh Chiuhung specialize in?
Sieh Chiuhung is licensed for one CSLB classification: B General Building Contractor.
Where is Sieh Chiuhung headquartered?
Sieh Chiuhung is headquartered at 354 Head St, San Francisco, CA 94132, in San Francisco County, California.
Does Sieh Chiuhung have an active surety bond on file with CSLB?
Yes. Sieh Chiuhung has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Sieh Chiuhung carry workers' compensation coverage?
Sieh Chiuhung reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Sieh Chiuhung's contractor license?
You can verify Sieh Chiuhung's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=933409.
- License issuedJun 4, 2009
- WC coverage startsDec 11, 2025
- Bond activeJan 9, 2026
- License expiresJan 31, 2028
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