Chongson Construction INC, B General Building Contractor in San Francisco, CA
Chongson Construction INC operating as a corporation holds an active California contractor license (CSLB #642065), valid through Mar 31, 2027. First issued in 1992, the license has been on the CSLB roster for 34 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
- 642065
- Issued
- Apr 11, 1992
- Status
- CLEAR
- Expires
- Mar 31, 2027
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800231109
- Effective
- Feb 23, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 15, 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 Chongson Construction INC licensed in California?
Yes. Chongson Construction INC holds California Contractors State License Board license number 642065, which is active and in good standing. The license was first issued on April 11, 1992. It is valid through March 31, 2027.
What does Chongson Construction INC specialize in?
Chongson Construction INC is licensed for one CSLB classification: B General Building Contractor.
Where is Chongson Construction INC headquartered?
Chongson Construction INC is headquartered at 464 Brunswick St, San Francisco, CA 94112, in San Francisco County, California.
Does Chongson Construction INC have an active surety bond on file with CSLB?
Yes. Chongson Construction INC has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Chongson Construction INC carry workers' compensation coverage?
Chongson Construction INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Chongson Construction INC's contractor license?
You can verify Chongson Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=642065.
- License issuedApr 11, 1992
- WC coverage startsSep 15, 2025
- Bond activeFeb 23, 2026
- License expiresMar 31, 2027
- Titov Builders#256380San Francisco·B General Building Contractor
- Dareway Const CO#255197San Francisco·B General Building Contractor
- Yick Robert Company INC#259281San Francisco·B General Building Contractor
- Nibbi Bros INC#232019San Francisco·A General Engineering Contractor
- Rossi Builders INC#229568San Francisco·B General Building Contractor
- Brennan John Company INC#233608San Francisco·B General Building Contractor
- Molloy Construction Company#244274San Francisco·B General Building Contractor
- Merlo Lewis M INC#184527San Francisco·A General Engineering Contractor
Working a California job with Chongson Construction INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Chongson Construction INC? Claim or correct this profile