Byun Chang Up
Byun Chang Up operating as a sole owner is licensed in California under CSLB number 1006421. The license was first issued in 2015, putting the business at 11 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 Hudson Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Fullerton, in Orange County, California.
- License Number
- 1006421
- Issued
- Aug 14, 2015
- Status
- CLEAR
- Expires
- Aug 31, 2027
- Entity
- Sole Owner
- Surety
- Hudson Insurance Company
- Bond Number
- 30112174
- Effective
- May 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 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 Byun Chang Up licensed in California?
Yes. Byun Chang Up holds California Contractors State License Board license number 1006421. The license was first issued on August 14, 2015. It is valid through August 31, 2027.
What does Byun Chang Up specialize in?
Byun Chang Up is licensed for one CSLB classification: B General Building Contractor.
Where is Byun Chang Up headquartered?
Byun Chang Up is headquartered at 1238 Lenahan St, Fullerton, CA 92833, in Orange County, California.
Does Byun Chang Up have an active surety bond on file with CSLB?
Yes. Byun Chang Up has an active California contractor surety bond filed with Hudson Insurance Company.
Does Byun Chang Up carry workers' compensation coverage?
Byun Chang Up reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Byun Chang Up's contractor license?
You can verify Byun Chang Up's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1006421.
- License issuedAug 14, 2015
- Bond activeMay 1, 2023
- WC coverage startsJul 11, 2025
- License expiresAug 31, 2027
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