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Duong Thanh Quoc

License #975350·Sole Owner·Rosemead, Los Angeles County
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Summary

Duong Thanh Quoc operating as a sole owner is licensed in California under CSLB number 975350. The license was first issued in 2012, putting the business at 14 years on the active CSLB roster. 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 Rosemead, in Los Angeles County, California.

Business Information
Address
1609 San Gabriel Boulevard
Rosemead, CA 91770
License Details & Classifications
License Number
975350
Issued
Jul 28, 2012
Status
CLEAR
Expires
Jul 31, 2026
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67571798
Effective
Nov 9, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Aug 12, 2024
Expires
—
Review

This contractor warrants a closer look before contracting:

  • License expires in 52 days
  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Duong Thanh Quoc licensed in California?

Yes. Duong Thanh Quoc holds California Contractors State License Board license number 975350. The license was first issued on July 28, 2012. It is valid through July 31, 2026.

What does Duong Thanh Quoc specialize in?

Duong Thanh Quoc is licensed for one CSLB classification: B General Building Contractor.

Where is Duong Thanh Quoc headquartered?

Duong Thanh Quoc is headquartered at 1609 San Gabriel Boulevard, Rosemead, CA 91770, in Los Angeles County, California.

Does Duong Thanh Quoc have an active surety bond on file with CSLB?

Yes. Duong Thanh Quoc has an active California contractor surety bond filed with Western Surety Company.

Does Duong Thanh Quoc carry workers' compensation coverage?

Duong Thanh Quoc reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Duong Thanh Quoc's contractor license?

You can verify Duong Thanh Quoc's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=975350.

Activity Timeline
  1. License issuedJul 28, 2012
  2. WC coverage startsAug 12, 2024
  3. Bond activeNov 9, 2025
  4. License expiresJul 31, 2026
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