Chu Ming-Yau, B General Building Contractor in Pittsburg, CA
Chu Ming-Yau operating as a sole owner holds an active California contractor license (CSLB #574207), valid through Mar 31, 2028. First issued in 1989, the license has been on the CSLB roster for 37 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Pittsburg, in Contra Costa County, California.
- License Number
- 574207
- Issued
- Aug 2, 1989
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67522308
- Effective
- Jul 14, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 23, 2026
- 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 Chu Ming-Yau licensed in California?
Yes. Chu Ming-Yau holds California Contractors State License Board license number 574207, which is active and in good standing. The license was first issued on August 2, 1989. It is valid through March 31, 2028.
What does Chu Ming-Yau specialize in?
Chu Ming-Yau is licensed for one CSLB classification: B General Building Contractor.
Where is Chu Ming-Yau headquartered?
Chu Ming-Yau is headquartered at 165 E 4th Street, Pittsburg, CA 94565, in Contra Costa County, California.
Does Chu Ming-Yau have an active surety bond on file with CSLB?
Yes. Chu Ming-Yau has an active California contractor surety bond filed with Western Surety Company.
Does Chu Ming-Yau carry workers' compensation coverage?
Chu Ming-Yau reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Chu Ming-Yau's contractor license?
You can verify Chu Ming-Yau's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=574207.
- License issuedAug 2, 1989
- Bond activeJul 14, 2025
- WC coverage startsMar 23, 2026
- License expiresMar 31, 2028
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